Archived
update online freq auto switch logic
This commit is contained in:
@@ -0,0 +1,326 @@
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%% File Header/文件说明
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%
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% Beamforming with phased array derives signal characteristics from phase
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% differences between sensors. Therefore the amplitude-phase consistence is
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% vital to phased systems.
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%
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% The script analyzes the amp-phase relations of ILA captured data, the format
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% of which is square-shaped pseudorandorm bit sequence. Each channel is
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% processed seperately with different frequency shifts and different optimum
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% sampling points. The estimation of amplitude and phase are based on
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% acculumated correlation peaks.
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%
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clc; clear;
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%% initial parameters/初始参数
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interp = 8; % interpolation factor
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channelNum = 4;
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dataLen = 8192;
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fs = 48e6;
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dataFile = [ ...
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"iladata_25.0G_1-A-1-1.csv", ...
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"iladata_25.0G_1-A-1-2.csv", ...
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"iladata_25.0G_1-A-1-3.csv", ...
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"iladata_25.0G_1-A-2-1.csv", ...
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"iladata_25.0G_1-A-2-2.csv", ...
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"iladata_25.0G_1-A-2-3.csv", ...
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"iladata_25.0G_1-B-1-1.csv", ...
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"iladata_25.0G_1-B-1-2.csv", ...
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"iladata_25.0G_1-B-1-3.csv", ...
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"iladata_25.0G_1-B-2-1.csv", ...
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"iladata_25.0G_1-B-2-2.csv", ...
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"iladata_25.0G_1-B-2-3.csv", ...
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"iladata_25.3G_1-1.csv", ...
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"iladata_25.3G_1-2.csv", ...
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"iladata_25.3G_1-3.csv", ...
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"iladata_25.5G_1-A-1.csv", ...
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"iladata_25.5G_1-A-2.csv", ...
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"iladata_25.5G_1-A-3.csv", ...
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"iladata_25.5G_1-B-1.csv", ...
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"iladata_25.5G_1-B-2.csv", ...
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"iladata_25.5G_1-B-3.csv", ...
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"iladata_25.9G_1-1.csv", ...
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"iladata_26.0G_1-A-1.csv", ...
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"iladata_26.0G_1-A-2.csv", ...
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"iladata_26.0G_1-A-3.csv", ...
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"iladata_26.0G_1-B-1.csv", ...
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"iladata_26.0G_1-B-2.csv", ...
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"iladata_26.0G_1-B-3.csv", ...
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"iladata_26.1G_1-1.csv", ...
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"iladata_26.5G_1-A-1.csv", ...
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"iladata_26.5G_1-A-2.csv", ...
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"iladata_26.5G_1-A-3.csv", ...
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"iladata_26.5G_1-B-1.csv", ...
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"iladata_26.5G_1-B-2.csv", ...
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"iladata_26.5G_1-B-3.csv", ...
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"iladata_26.8G_1-1.csv", ...
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"iladata_27.0G_1-A-1-1.csv", ...
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"iladata_27.0G_1-A-1-2.csv", ...
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"iladata_27.0G_1-A-1-3.csv", ...
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"iladata_27.0G_1-A-2-1.csv", ...
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"iladata_27.0G_1-A-2-2.csv", ...
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"iladata_27.0G_1-A-2-3.csv", ...
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"iladata_27.0G_1-B-1-1.csv", ...
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"iladata_27.0G_1-B-1-2.csv", ...
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"iladata_27.0G_1-B-1-3.csv", ...
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"iladata_27.0G_1-B-2-1.csv", ...
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"iladata_27.0G_1-B-2-2.csv", ...
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"iladata_27.0G_1-B-2-3.csv", ...
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"iladata_300_0000_25.0G_1-1.csv", ...
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"iladata_300_0000_25.5G_1-1.csv", ...
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"iladata_300_0000_25.5G_1-2.csv", ...
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"iladata_300_0000_25.5G_1-3.csv", ...
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"iladata_300_0000_26.0G_1-1.csv", ...
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"iladata_300_0000_26.0G_1-2.csv", ...
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"iladata_300_0000_26.0G_1-3.csv", ...
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"iladata_300_0000_26.5G_1-1.csv", ...
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"iladata_300_0000_26.5G_1-2.csv", ...
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"iladata_300_0000_26.5G_1-3.csv", ...
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"iladata_300_0000_27.0G_1-1.csv", ...
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"iladata_300_0000_27.0G_1-2.csv", ...
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"iladata_300_0000_27.0G_1-3.csv", ...
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"iladata_300_1800_25.0G_1-1.csv", ...
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"iladata_300_1800_25.0G_1-2.csv", ...
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"iladata_300_1800_25.0G_1-3.csv", ...
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"iladata_300_1800_26.0G_1-1.csv", ...
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"iladata_300_1800_26.0G_1-2.csv", ...
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"iladata_300_1800_26.0G_1-3.csv", ...
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"iladata_300_1800_27.0G_1-1.csv", ...
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"iladata_300_1800_27.0G_1-2.csv", ...
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"iladata_300_1800_27.0G_1-3.csv", ...
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"iladata_414_0491_25.0G_1-1.csv", ...
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"iladata_414_0491_25.0G_1-2.csv", ...
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"iladata_414_0491_25.0G_1-3.csv", ...
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"iladata_414_0491_25.0G_2-1.csv", ...
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"iladata_414_0491_25.0G_2-2.csv", ...
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"iladata_414_0491_25.0G_2-3.csv", ...
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"iladata_414_0491_26.0G_1-1.csv", ...
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"iladata_414_0491_26.0G_1-2.csv", ...
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"iladata_414_0491_26.0G_1-3.csv", ...
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"iladata_414_0491_26.0G_2-1.csv", ...
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"iladata_414_0491_26.0G_2-2.csv", ...
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"iladata_414_0491_26.0G_2-3.csv", ...
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"iladata_414_0491_27.0G_1-1.csv", ...
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"iladata_414_0491_27.0G_1-2.csv", ...
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"iladata_414_0491_27.0G_1-3.csv", ...
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"iladata_414_0491_27.0G_2-1.csv", ...
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"iladata_414_0491_27.0G_2-2.csv", ...
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"iladata_414_0491_27.0G_2-3.csv", ...
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"iladata_414_1391_25.0G_1-1.csv", ...
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"iladata_414_1391_25.0G_1-2.csv", ...
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"iladata_414_1391_25.0G_1-3.csv", ...
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"iladata_414_1391_26.0G_1-1.csv", ...
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"iladata_414_1391_26.0G_1-2.csv", ...
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"iladata_414_1391_26.0G_1-3.csv", ...
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"iladata_414_1391_27.0G_1-1.csv", ...
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"iladata_414_1391_27.0G_1-2.csv", ...
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"iladata_414_1391_27.0G_1-3.csv", ...
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"iladata_414_2291_25.0G_1-1.csv", ...
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"iladata_414_2291_25.0G_1-2.csv", ...
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"iladata_414_2291_25.0G_1-3.csv", ...
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"iladata_414_2291_26.0G_1-1.csv", ...
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"iladata_414_2291_26.0G_1-2.csv", ...
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"iladata_414_2291_26.0G_1-3.csv", ...
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"iladata_414_2291_27.0G_1-1.csv", ...
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"iladata_414_2291_27.0G_1-2.csv", ...
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"iladata_414_2291_27.0G_1-3.csv", ...
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"iladata_414_3109_25.0G_1-1.csv", ...
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"iladata_414_3109_25.0G_1-2.csv", ...
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"iladata_414_3109_25.0G_1-3.csv", ...
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"iladata_414_3109_26.0G_1-1.csv", ...
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"iladata_414_3109_26.0G_1-2.csv", ...
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"iladata_414_3109_26.0G_1-3.csv", ...
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"iladata_414_3109_27.0G_1-1.csv", ...
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"iladata_414_3109_27.0G_1-2.csv", ...
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"iladata_414_3109_27.0G_1-3.csv", ...
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"iladata_600_0000_25.0G_1-1.csv", ...
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"iladata_600_0000_25.0G_1-2.csv", ...
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"iladata_600_0000_25.0G_1-3.csv", ...
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"iladata_600_0000_26.0G_1-1.csv", ...
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"iladata_600_0000_26.0G_1-2.csv", ...
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"iladata_600_0000_26.0G_1-3.csv", ...
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"iladata_600_0000_27.0G_1-1.csv", ...
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"iladata_600_0000_27.0G_1-2.csv", ...
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"iladata_600_0000_27.0G_1-3.csv", ...
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"iladata_600_1800_25.0G_1-1.csv", ...
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"iladata_600_1800_25.0G_1-2.csv", ...
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"iladata_600_1800_25.0G_1-3.csv", ...
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"iladata_600_1800_26.0G_1-1.csv", ...
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"iladata_600_1800_26.0G_1-2.csv", ...
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"iladata_600_1800_26.0G_1-3.csv", ...
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"iladata_600_1800_27.0G_1-1.csv", ...
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"iladata_600_1800_27.0G_1-2.csv", ...
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"iladata_600_1800_27.0G_1-3.csv", ...
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"iladata_cal_000_0000_00_00_26.0G_1.csv", ...
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"iladata_cal_000_0000_00_00_26.0G_2.csv", ...
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"iladata_cal_000_0000_00_00_26.0G_3.csv", ...
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"iladata_cal_000_0000_00_00_27.0G_1.csv", ...
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"iladata_cal_000_0000_00_00_27.0G_2.csv", ...
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"iladata_cal_000_0000_00_00_27.0G_3.csv", ...
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"iladata_cal_000_0000_20_20_26.0G_1.csv", ...
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"iladata_cal_000_0000_20_20_26.0G_2.csv", ...
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"iladata_cal_000_0000_20_20_26.0G_3.csv", ...
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"iladata_cal_000_0000_20_20_27.0G_1.csv", ...
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"iladata_cal_000_0000_20_20_27.0G_2.csv", ...
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"iladata_cal_000_0000_20_20_27.0G_3.csv", ...
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"iladata_cal_25.0G.csv", ...
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"iladata_cal_25.0G_result.csv", ...
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"iladata_cal_26.0G.csv", ...
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"iladata_cal_27.0G.csv", ...
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"iladata_cal_414_3109_00_00_27.0G_1.csv", ...
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"iladata_cal_414_3109_00_00_27.0G_2.csv", ...
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"iladata_cal_414_3109_00_00_27.0G_3.csv", ...
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"iladata_cal_414_3109_30_30_27.0G_1.csv", ...
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"iladata_cal_414_3109_30_30_27.0G_2.csv", ...
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"iladata_cal_414_3109_30_30_27.0G_3.csv", ...
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"iladata_cal_600_3150_30_30_27.0G_1.csv", ...
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"iladata_cal_600_3150_30_30_27.0G_2.csv", ...
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"iladata_cal_600_3150_30_30_27.0G_3.csv", ...
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"iladata_cal_600_3150_38_51_27.0G_1.csv", ...
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"iladata_cal_600_3150_38_51_27.0G_2.csv", ...
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"iladata_cal_600_3150_38_51_27.0G_3.csv", ...
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];
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dataFileNum = length(dataFile);
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% standard pn sequence
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pnSequence = comm.PNSequence('Polynomial','x^7+x^6+1', ...
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'InitialConditions',[zeros(1,6),1],'SamplesPerFrame',2^7-1);
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PRBS7 = pnSequence();
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PRBS7_polar = 1-2*[PRBS7;0];
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chipLen = length(PRBS7_polar); % pn chip length
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symNum = dataLen/chipLen/interp; % total symbol number
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%% data analysis
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% search for frequency shift
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freqRange = -20000:50:0;
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freqDmfPeak = zeros(dataFileNum,length(freqRange));
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freqTarget = zeros(dataFileNum,channelNum);
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% phase amplitude analysis
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desiredPnt = zeros(dataFileNum,symNum-1,channelNum);
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desiredPntIndex = zeros(dataFileNum,symNum-1,channelNum);
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ampEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
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ampEstSymMin = zeros(dataFileNum,channelNum);
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ampEstSymMax = zeros(dataFileNum,channelNum);
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ampEstSymAvg = zeros(dataFileNum,channelNum);
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angEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
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angEstSymMin = zeros(dataFileNum,channelNum);
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angEstSymMax = zeros(dataFileNum,channelNum);
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angEstSymAvg = zeros(dataFileNum,channelNum);
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ampEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
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ampEstSymRawList(1,:) = ["Amp Raw Value", "ch1", "ch2", "ch3", "ch4"];
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angEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
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angEstSymRawList(1,:) = ["Angle Raw Value", "ch1", "ch2", "ch3", "ch4"];
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desiredPntIndexList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
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desiredPntIndexList(1,:) = ["Chip Index", "ch1", "ch2", "ch3", "ch4"];
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for data_num = 1:dataFileNum
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% read data
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rawData = readmatrix(dataFile(data_num));
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disp(dataFile(data_num));
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seqRx(:,1) = (rawData(:, 4) + 1i*rawData(:, 5)).';
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seqRx(:,2) = (rawData(:, 6) + 1i*rawData(:, 7)).';
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seqRx(:,3) = (rawData(:, 8) + 1i*rawData(:, 9)).';
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seqRx(:,4) = (rawData(:,10) + 1i*rawData(:,11)).';
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% search for frequency shift
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for ch_num = 1:channelNum
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for freq_num = 1:length(freqRange)
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% multiply two symbols with carrier
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data_cxr = seqRx(1:2*chipLen*interp,ch_num).*exp(1i*2*pi* ...
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freqRange(freq_num)/fs*(0:2*chipLen*interp-1)');
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% convolve multiplied data with pn sequence, without zero-padded results
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data_dmf = conv(data_cxr, kron(flip(PRBS7_polar),ones(interp,1)),'valid');
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% peak search
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freqDmfPeak(data_num,freq_num) = max(data_dmf(1:end-1));
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end
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freqTarget(data_num,ch_num) = freqRange(freqDmfPeak(data_num,:) == ...
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max(freqDmfPeak(data_num,:)));
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end
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% phase amplitude analysis
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for ch_num = 1:channelNum
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seqRxCxr = seqRx(:,ch_num).*exp(1i*2*pi*freqTarget(1)/fs*(0:dataLen-1)');
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seqRxCxrCorr = conv(seqRxCxr,kron(flip(PRBS7_polar),ones(interp,1)),'valid');
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seqRxCxrCorrSplit = reshape(seqRxCxrCorr(1:end-1),chipLen*interp, ...
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symNum-1);
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desiredPntIndex(data_num,:,ch_num) = find(abs(seqRxCxrCorrSplit) == ...
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max(abs(seqRxCxrCorrSplit))) - 1024*(0:symNum-2)';
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desiredPnt(data_num,:,ch_num) = seqRxCxrCorrSplit(abs(seqRxCxrCorrSplit) == ...
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max(abs(seqRxCxrCorrSplit)));
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ampEstSymRaw(data_num,:,ch_num) = abs(desiredPnt(data_num,:,ch_num))./abs(desiredPnt(data_num,:,1));
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angEstSymRaw(data_num,:,ch_num) = mod((angle(desiredPnt(data_num,:,ch_num))-angle(desiredPnt(data_num,:,1)))/pi*180,360);
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ampEstSymMin(data_num,ch_num) = min(ampEstSymRaw(data_num,:,ch_num));
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ampEstSymMax(data_num,ch_num) = max(ampEstSymRaw(data_num,:,ch_num));
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ampEstSymAvg(data_num,ch_num) = mean(ampEstSymRaw(data_num,:,ch_num));
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angEstSymMin(data_num,ch_num) = min(angEstSymRaw(data_num,:,ch_num));
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angEstSymMax(data_num,ch_num) = max(angEstSymRaw(data_num,:,ch_num));
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angEstSymAvg(data_num,ch_num) = mean(angEstSymRaw(data_num,:,ch_num));
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end
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desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
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desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(desiredPntIndex(data_num,:,:));
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ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
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ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(ampEstSymRaw(data_num,:,:));
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angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
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angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(angEstSymRaw(data_num,:,:));
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end
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freqTargetRelative = freqTarget - freqTarget(:,1);
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maxDesiredPointIndexDiff = max(abs(desiredPntIndex-(desiredPntIndex(:,:,1))),[],"all");
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ampEstSymMaxList = strings(dataFileNum+1,channelNum+1);
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ampEstSymMinList = strings(dataFileNum+1,channelNum+1);
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ampEstSymAvgList = strings(dataFileNum+1,channelNum+1);
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ampEstSymMaxList(1,:) = ["Amp Max Value", "ch1", "ch2", "ch3", "ch4"];
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ampEstSymMinList(1,:) = ["Amp Min Value", "ch1", "ch2", "ch3", "ch4"];
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ampEstSymAvgList(1,:) = ["Amp Avg Value", "ch1", "ch2", "ch3", "ch4"];
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ampEstSymMaxList(2:end,1) = dataFile;
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ampEstSymMinList(2:end,1) = dataFile;
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ampEstSymAvgList(2:end,1) = dataFile;
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ampEstSymMaxList(2:end,2:end) = string(ampEstSymMin);
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ampEstSymMinList(2:end,2:end) = string(ampEstSymMax);
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ampEstSymAvgList(2:end,2:end) = string(ampEstSymAvg);
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angEstSymMaxList = strings(dataFileNum+1,channelNum+1);
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angEstSymMinList = strings(dataFileNum+1,channelNum+1);
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angEstSymAvgList = strings(dataFileNum+1,channelNum+1);
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angEstSymMaxList(1,:) = ["Angle Max Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMinList(1,:) = ["Angle Min Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymAvgList(1,:) = ["Angle Avg Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMaxList(2:end,1) = dataFile;
|
||||
angEstSymMinList(2:end,1) = dataFile;
|
||||
angEstSymAvgList(2:end,1) = dataFile;
|
||||
angEstSymMaxList(2:end,2:end) = string(angEstSymMin);
|
||||
angEstSymMinList(2:end,2:end) = string(angEstSymMax);
|
||||
angEstSymAvgList(2:end,2:end) = string(angEstSymAvg);
|
||||
|
||||
%% figures
|
||||
% figure(1);
|
||||
%
|
||||
% subplot(121);
|
||||
% plot(ampEstSymAvg);
|
||||
% legend({"ch1","ch2","ch3","ch4"});
|
||||
% title("Amplitude Estimation");
|
||||
% ylim([min(ampEstSymAvg,[],'all')-0.2,max(ampEstSymAvg,[],'all')+0.2]);
|
||||
% grid on; grid minor;
|
||||
%
|
||||
% subplot(122);
|
||||
% plot(angEstSymAvg);
|
||||
% legend({"ch1","ch2","ch3","ch4"});
|
||||
% title("Angle Estimation");
|
||||
% ylim([-10,370]);
|
||||
% grid on; grid minor;
|
||||
@@ -0,0 +1,192 @@
|
||||
%% File Header/文件说明
|
||||
%
|
||||
% Beamforming with phased array derives signal characteristics from phase
|
||||
% differences between sensors. Therefore the amplitude-phase consistence is
|
||||
% vital to phased systems.
|
||||
%
|
||||
% The script analyzes the amp-phase relations of ILA captured data, the format
|
||||
% of which is square-shaped pseudorandorm bit sequence. Each channel is
|
||||
% processed seperately with different frequency shifts and different optimum
|
||||
% sampling points. The estimation of amplitude and phase are based on
|
||||
% acculumated correlation peaks.
|
||||
%
|
||||
clc; clear;
|
||||
%% initial parameters/初始参数
|
||||
interp = 8; % interpolation factor
|
||||
channelNum = 4;
|
||||
dataLen = 8192;
|
||||
fs = 48e6;
|
||||
dataFile = [ ...
|
||||
% "iladata_rx_data_26G_20230509_1445.csv", ...
|
||||
% "iladata_rx_data_26G_20230509_1715.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1030.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1100.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1115.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1600_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1600_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-3.csv", ...
|
||||
];
|
||||
|
||||
dataFileNum = length(dataFile);
|
||||
|
||||
% standard pn sequence
|
||||
pnSequence = comm.PNSequence('Polynomial','x^7+x^6+1', ...
|
||||
'InitialConditions',[zeros(1,6),1],'SamplesPerFrame',2^7-1);
|
||||
PRBS7 = pnSequence();
|
||||
PRBS7_polar = 1-2*[PRBS7;0];
|
||||
|
||||
chipLen = length(PRBS7_polar); % pn chip length
|
||||
symNum = dataLen/chipLen/interp; % total symbol number
|
||||
|
||||
%% data analysis
|
||||
|
||||
% search for frequency shift
|
||||
freqRange = 22000:10:28000;
|
||||
freqDmfPeak = zeros(dataFileNum,length(freqRange));
|
||||
freqTarget = zeros(dataFileNum,channelNum);
|
||||
|
||||
% phase amplitude analysis
|
||||
desiredPnt = zeros(dataFileNum,symNum-1,channelNum);
|
||||
desiredPntIndex = zeros(dataFileNum,symNum-1,channelNum);
|
||||
|
||||
ampEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
|
||||
ampEstSymMin = zeros(dataFileNum,channelNum);
|
||||
ampEstSymMax = zeros(dataFileNum,channelNum);
|
||||
ampEstSymAvg = zeros(dataFileNum,channelNum);
|
||||
|
||||
angEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
|
||||
angEstSymMin = zeros(dataFileNum,channelNum);
|
||||
angEstSymMax = zeros(dataFileNum,channelNum);
|
||||
angEstSymAvg = zeros(dataFileNum,channelNum);
|
||||
|
||||
ampEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
ampEstSymRawList(1,:) = ["Amp Raw Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
angEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
angEstSymRawList(1,:) = ["Angle Raw Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
desiredPntIndexList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
desiredPntIndexList(1,:) = ["Chip Index", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
for data_num = 1:dataFileNum
|
||||
% read data
|
||||
rawData = readmatrix(dataFile(data_num));
|
||||
disp(dataFile(data_num));
|
||||
seqRx(:,1) = (rawData(:, 4) + 1i*rawData(:, 5)).';
|
||||
seqRx(:,2) = (rawData(:, 6) + 1i*rawData(:, 7)).';
|
||||
seqRx(:,3) = (rawData(:, 8) + 1i*rawData(:, 9)).';
|
||||
seqRx(:,4) = (rawData(:,10) + 1i*rawData(:,11)).';
|
||||
|
||||
% search for frequency shift
|
||||
for ch_num = 1:channelNum
|
||||
for freq_num = 1:length(freqRange)
|
||||
% multiply two symbols with carrier
|
||||
data_cxr = seqRx(1:2*chipLen*interp,ch_num).*exp(1i*2*pi* ...
|
||||
freqRange(freq_num)/fs*(0:2*chipLen*interp-1)');
|
||||
% convolve multiplied data with pn sequence, without zero-padded results
|
||||
data_dmf = conv(data_cxr, kron(flip(PRBS7_polar),ones(interp,1)),'valid');
|
||||
% peak search
|
||||
freqDmfPeak(data_num,freq_num) = max(data_dmf(1:end-1));
|
||||
end
|
||||
freqTarget(data_num,ch_num) = freqRange(freqDmfPeak(data_num,:) == max(freqDmfPeak(data_num,:)));
|
||||
end
|
||||
|
||||
% phase amplitude analysis
|
||||
for ch_num = 1:channelNum
|
||||
seqRxCxr = seqRx(:,ch_num).*exp(1i*2*pi*freqTarget(1)/fs*(0:dataLen-1)');
|
||||
seqRxCxrCorr = conv(seqRxCxr,kron(flip(PRBS7_polar),ones(interp,1)),'valid');
|
||||
seqRxCxrCorrSplit = reshape(seqRxCxrCorr(1:end-1),chipLen*interp, ...
|
||||
symNum-1);
|
||||
|
||||
desiredPntIndex(data_num,:,ch_num) = find(abs(seqRxCxrCorrSplit) == max(abs(seqRxCxrCorrSplit))) - 1024*(0:symNum-2)';
|
||||
desiredPnt(data_num,:,ch_num) = seqRxCxrCorrSplit(abs(seqRxCxrCorrSplit) == max(abs(seqRxCxrCorrSplit)));
|
||||
|
||||
ampEstSymRaw(data_num,:,ch_num) = abs(desiredPnt(data_num,:,ch_num))./abs(desiredPnt(data_num,:,1));
|
||||
angEstSymRaw(data_num,:,ch_num) = mod((angle(desiredPnt(data_num,:,ch_num))-angle(desiredPnt(data_num,:,1)))/pi*180,360);
|
||||
|
||||
ampEstSymMin(data_num,ch_num) = min(ampEstSymRaw(data_num,:,ch_num));
|
||||
ampEstSymMax(data_num,ch_num) = max(ampEstSymRaw(data_num,:,ch_num));
|
||||
ampEstSymAvg(data_num,ch_num) = mean(ampEstSymRaw(data_num,:,ch_num));
|
||||
|
||||
angEstSymMin(data_num,ch_num) = min(angEstSymRaw(data_num,:,ch_num));
|
||||
angEstSymMax(data_num,ch_num) = max(angEstSymRaw(data_num,:,ch_num));
|
||||
angEstSymAvg(data_num,ch_num) = mean(angEstSymRaw(data_num,:,ch_num));
|
||||
end
|
||||
|
||||
desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(desiredPntIndex(data_num,:,:));
|
||||
|
||||
ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(ampEstSymRaw(data_num,:,:));
|
||||
|
||||
angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(angEstSymRaw(data_num,:,:));
|
||||
end
|
||||
|
||||
freqTargetRelative = freqTarget - freqTarget(:,1);
|
||||
|
||||
ampEstSymMaxList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymMinList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymAvgList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymMaxList(1,:) = ["Amp Max Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymMinList(1,:) = ["Amp Min Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymAvgList(1,:) = ["Amp Avg Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymMaxList(2:end,1) = dataFile;
|
||||
ampEstSymMinList(2:end,1) = dataFile;
|
||||
ampEstSymAvgList(2:end,1) = dataFile;
|
||||
ampEstSymMaxList(2:end,2:end) = string(ampEstSymMin);
|
||||
ampEstSymMinList(2:end,2:end) = string(ampEstSymMax);
|
||||
ampEstSymAvgList(2:end,2:end) = string(ampEstSymAvg);
|
||||
|
||||
angEstSymMaxList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymMinList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymAvgList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymMaxList(1,:) = ["Angle Max Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMinList(1,:) = ["Angle Min Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymAvgList(1,:) = ["Angle Avg Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMaxList(2:end,1) = dataFile;
|
||||
angEstSymMinList(2:end,1) = dataFile;
|
||||
angEstSymAvgList(2:end,1) = dataFile;
|
||||
angEstSymMaxList(2:end,2:end) = string(angEstSymMin);
|
||||
angEstSymMinList(2:end,2:end) = string(angEstSymMax);
|
||||
angEstSymAvgList(2:end,2:end) = string(angEstSymAvg);
|
||||
|
||||
%% figures
|
||||
figure(1);
|
||||
|
||||
subplot(121);
|
||||
plot(ampEstSymAvg);
|
||||
legend({"ch1","ch2","ch3","ch4"});
|
||||
title("Amplitude Estimation");
|
||||
ylim([min(ampEstSymAvg,[],'all')-0.2,max(ampEstSymAvg,[],'all')+0.2]);
|
||||
grid on; grid minor;
|
||||
|
||||
subplot(122);
|
||||
plot(angEstSymAvg);
|
||||
legend({"ch1","ch2","ch3","ch4"});
|
||||
title("Angle Estimation");
|
||||
ylim([-10,370]);
|
||||
grid on; grid minor;
|
||||
+196
@@ -0,0 +1,196 @@
|
||||
%% File Header/文件说明
|
||||
%
|
||||
% Beamforming with phased array derives signal characteristics from phase
|
||||
% differences between sensors. Therefore the amplitude-phase consistence is
|
||||
% vital to phased systems.
|
||||
%
|
||||
% The script analyzes the amp-phase relations of ILA captured data, the format
|
||||
% of which is square-shaped pseudorandorm bit sequence. Each channel is
|
||||
% processed seperately with different frequency shifts and different optimum
|
||||
% sampling points. The estimation of amplitude and phase are based on
|
||||
% acculumated correlation peaks.
|
||||
%
|
||||
clc; clear;
|
||||
%% initial parameters/初始参数
|
||||
interp = 8; % interpolation factor
|
||||
channelNum = 4;
|
||||
dataLen = 8192;
|
||||
fs = 48e6;
|
||||
dataFile = [ ...
|
||||
% "iladata_rx_data_26G_20230509_1445.csv", ...
|
||||
% "iladata_rx_data_26G_20230509_1715.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1030.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1100.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1115.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1415_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1455_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1500_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1530_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1600_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1600_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1630_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1725_B-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1730_A-3.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-1.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-2.csv", ...
|
||||
"iladata_rx_data_26G_20230510_1740_B-3.csv", ...
|
||||
];
|
||||
|
||||
dataFileNum = length(dataFile);
|
||||
|
||||
% standard pn sequence
|
||||
pnSequence = comm.PNSequence('Polynomial','x^7+x^6+1', ...
|
||||
'InitialConditions',[zeros(1,6),1],'SamplesPerFrame',2^7-1);
|
||||
PRBS7 = pnSequence();
|
||||
PRBS7_polar = 1-2*[PRBS7;0];
|
||||
|
||||
chipLen = length(PRBS7_polar); % pn chip length
|
||||
symNum = dataLen/chipLen/interp; % total symbol number
|
||||
|
||||
%% data analysis
|
||||
|
||||
% search for frequency shift
|
||||
freqRange = 22000:10:28000;
|
||||
freqDmfPeak = zeros(dataFileNum,length(freqRange));
|
||||
freqTarget = zeros(dataFileNum,channelNum);
|
||||
|
||||
% phase amplitude analysis
|
||||
desiredPnt = zeros(dataFileNum,symNum-1,channelNum);
|
||||
desiredPntIndex = zeros(dataFileNum,symNum-1,channelNum);
|
||||
|
||||
ampEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
|
||||
ampEstSymMin = zeros(dataFileNum,channelNum);
|
||||
ampEstSymMax = zeros(dataFileNum,channelNum);
|
||||
ampEstSymAvg = zeros(dataFileNum,channelNum);
|
||||
|
||||
angEstSymRaw = zeros(dataFileNum,symNum-1,channelNum);
|
||||
angEstSymMin = zeros(dataFileNum,channelNum);
|
||||
angEstSymMax = zeros(dataFileNum,channelNum);
|
||||
angEstSymAvg = zeros(dataFileNum,channelNum);
|
||||
|
||||
ampEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
ampEstSymRawList(1,:) = ["Amp Raw Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
angEstSymRawList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
angEstSymRawList(1,:) = ["Angle Raw Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
desiredPntIndexList = strings(dataFileNum*(symNum-1)+1,channelNum+1);
|
||||
desiredPntIndexList(1,:) = ["Chip Index", "ch1", "ch2", "ch3", "ch4"];
|
||||
|
||||
for data_num = 1:dataFileNum
|
||||
% read data
|
||||
rawData = readmatrix(dataFile(data_num));
|
||||
disp(dataFile(data_num));
|
||||
seqRx(:,1) = (rawData(:, 4) + 1i*rawData(:, 5)).';
|
||||
seqRx(:,2) = (rawData(:, 6) + 1i*rawData(:, 7)).';
|
||||
seqRx(:,3) = (rawData(:, 8) + 1i*rawData(:, 9)).';
|
||||
seqRx(:,4) = (rawData(:,10) + 1i*rawData(:,11)).';
|
||||
|
||||
% search for frequency shift
|
||||
for ch_num = 1:channelNum
|
||||
for freq_num = 1:length(freqRange)
|
||||
% multiply two symbols with carrier
|
||||
data_cxr = seqRx(1:2*chipLen*interp,ch_num).*exp(1i*2*pi* ...
|
||||
freqRange(freq_num)/fs*(0:2*chipLen*interp-1)');
|
||||
% convolve multiplied data with pn sequence, without zero-padded results
|
||||
data_dmf = conv(data_cxr, kron(flip(PRBS7_polar),ones(interp,1)),'valid');
|
||||
% peak search
|
||||
freqDmfPeak(data_num,freq_num) = max(data_dmf(1:end-1));
|
||||
end
|
||||
freqTarget(data_num,ch_num) = freqRange(freqDmfPeak(data_num,:) == ...
|
||||
max(freqDmfPeak(data_num,:)));
|
||||
end
|
||||
|
||||
% phase amplitude analysis
|
||||
for ch_num = 1:channelNum
|
||||
seqRxCxr = seqRx(:,ch_num).*exp(1i*2*pi*freqTarget(1)/fs*(0:dataLen-1)');
|
||||
seqRxCxrCorr = conv(seqRxCxr,kron(flip(PRBS7_polar),ones(interp,1)),'valid');
|
||||
seqRxCxrCorrSplit = reshape(seqRxCxrCorr(1:end-1),chipLen*interp, ...
|
||||
symNum-1);
|
||||
|
||||
desiredPntIndex(data_num,:,ch_num) = find(abs(seqRxCxrCorrSplit) == ...
|
||||
max(abs(seqRxCxrCorrSplit))) - 1024*(0:symNum-2)';
|
||||
desiredPnt(data_num,:,ch_num) = seqRxCxrCorrSplit(abs(seqRxCxrCorrSplit) == ...
|
||||
max(abs(seqRxCxrCorrSplit)));
|
||||
|
||||
ampEstSymRaw(data_num,:,ch_num) = abs(desiredPnt(data_num,:,ch_num))./abs(desiredPnt(data_num,:,1));
|
||||
angEstSymRaw(data_num,:,ch_num) = mod((angle(desiredPnt(data_num,:,ch_num))-angle(desiredPnt(data_num,:,1)))/pi*180,360);
|
||||
|
||||
ampEstSymMin(data_num,ch_num) = min(ampEstSymRaw(data_num,:,ch_num));
|
||||
ampEstSymMax(data_num,ch_num) = max(ampEstSymRaw(data_num,:,ch_num));
|
||||
ampEstSymAvg(data_num,ch_num) = mean(ampEstSymRaw(data_num,:,ch_num));
|
||||
|
||||
angEstSymMin(data_num,ch_num) = min(angEstSymRaw(data_num,:,ch_num));
|
||||
angEstSymMax(data_num,ch_num) = max(angEstSymRaw(data_num,:,ch_num));
|
||||
angEstSymAvg(data_num,ch_num) = mean(angEstSymRaw(data_num,:,ch_num));
|
||||
end
|
||||
|
||||
desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
desiredPntIndexList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(desiredPntIndex(data_num,:,:));
|
||||
|
||||
ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
ampEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(ampEstSymRaw(data_num,:,:));
|
||||
|
||||
angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),1) = dataFile(data_num);
|
||||
angEstSymRawList((data_num-1)*(symNum-1)+1+(1:symNum-1),2:end) = string(angEstSymRaw(data_num,:,:));
|
||||
end
|
||||
|
||||
freqTargetRelative = freqTarget - freqTarget(:,1);
|
||||
maxDesiredPointIndexDiff = max(abs(desiredPntIndex-(desiredPntIndex(:,:,1))),[],"all");
|
||||
|
||||
ampEstSymMaxList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymMinList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymAvgList = strings(dataFileNum+1,channelNum+1);
|
||||
ampEstSymMaxList(1,:) = ["Amp Max Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymMinList(1,:) = ["Amp Min Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymAvgList(1,:) = ["Amp Avg Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
ampEstSymMaxList(2:end,1) = dataFile;
|
||||
ampEstSymMinList(2:end,1) = dataFile;
|
||||
ampEstSymAvgList(2:end,1) = dataFile;
|
||||
ampEstSymMaxList(2:end,2:end) = string(ampEstSymMin);
|
||||
ampEstSymMinList(2:end,2:end) = string(ampEstSymMax);
|
||||
ampEstSymAvgList(2:end,2:end) = string(ampEstSymAvg);
|
||||
|
||||
angEstSymMaxList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymMinList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymAvgList = strings(dataFileNum+1,channelNum+1);
|
||||
angEstSymMaxList(1,:) = ["Angle Max Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMinList(1,:) = ["Angle Min Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymAvgList(1,:) = ["Angle Avg Value", "ch1", "ch2", "ch3", "ch4"];
|
||||
angEstSymMaxList(2:end,1) = dataFile;
|
||||
angEstSymMinList(2:end,1) = dataFile;
|
||||
angEstSymAvgList(2:end,1) = dataFile;
|
||||
angEstSymMaxList(2:end,2:end) = string(angEstSymMin);
|
||||
angEstSymMinList(2:end,2:end) = string(angEstSymMax);
|
||||
angEstSymAvgList(2:end,2:end) = string(angEstSymAvg);
|
||||
|
||||
%% figures
|
||||
figure(1);
|
||||
|
||||
subplot(121);
|
||||
plot(ampEstSymAvg);
|
||||
legend({"ch1","ch2","ch3","ch4"});
|
||||
title("Amplitude Estimation");
|
||||
ylim([min(ampEstSymAvg,[],'all')-0.2,max(ampEstSymAvg,[],'all')+0.2]);
|
||||
grid on; grid minor;
|
||||
|
||||
subplot(122);
|
||||
plot(angEstSymAvg);
|
||||
legend({"ch1","ch2","ch3","ch4"});
|
||||
title("Angle Estimation");
|
||||
ylim([-10,370]);
|
||||
grid on; grid minor;
|
||||
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@@ -3,7 +3,7 @@
|
||||
#
|
||||
# project.tcl: Tcl script for re-creating project 'project'
|
||||
#
|
||||
# Generated by Vivado on Wed May 10 18:48:33 CST 2023
|
||||
# Generated by Vivado on Thu May 11 09:23:36 CST 2023
|
||||
# IP Build 2633630 on Wed Sep 4 12:30:14 MDT 2019
|
||||
#
|
||||
# This file contains the Vivado Tcl commands for re-creating the project to the state*
|
||||
|
||||
Reference in New Issue
Block a user