add gitkeep, add duifei_cal_coarse data

add gitkeep to keep the directory structure

projects/datalink_814/dl814_k7_cal_coarse/data/20230403-调零接收底噪/noise_analysis.m

@@ -0,0 +1,71 @@
+close all;
+
+% 4 ch
+fileNameList = [...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_1-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_1-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_1-3.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_2-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_2-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_2-3.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_3-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_3-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_ext_lo_3-3.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_1-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_1-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_1-3.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_2-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_2-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_2-3.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_3-1.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_3-2.csv",...
+"iladata_814_1t1r_48msps_bw15m_int_lo_3-3.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_1-1.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_1-2.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_1-3.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_2-1.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_2-2.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_2-3.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_3-1.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_3-2.csv",...
+"iladata_814_1t2r_48msps_bw15m_ext_lo_3-3.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_1-1.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_1-2.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_1-3.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_2-1.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_2-2.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_2-3.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_3-1.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_3-2.csv",...
+"iladata_814_1t2r_48msps_bw40m_ext_lo_3-3.csv"
+];
+
+[~,fileNum] = size(fileNameList);
+
+maxList = strings(fileNum+1,5);
+stdList = strings(fileNum+1,5);
+
+maxList(1,:) = ["Max Value", "ch1", "ch2", "ch3", "ch4"];
+maxList(2:end,1) = fileNameList;
+stdList(1,:) = ["Std Value", "ch1", "ch2", "ch3", "ch4"];
+stdList(2:end,1) = fileNameList;
+
+for i = 1:fileNum
+  rxRaw = readmatrix(fileNameList(:,i));
+  [rowNum,colNum] = size(rxRaw);
+  
+  if (colNum == 11) 
+    rx = [rxRaw(:, 4)+1i*rxRaw(:, 5),rxRaw(:, 6)+1i*rxRaw(:, 7),...
+          rxRaw(:, 8)+1i*rxRaw(:, 9),rxRaw(:,10)+1i*rxRaw(:,11)];
+  elseif (colNum == 7) 
+    rx = [rxRaw(:, 4)+1i*rxRaw(:, 5),rxRaw(:, 6)+1i*rxRaw(:, 7),...
+          zeros(rowNum,1),zeros(rowNum,1)];
+  else
+    disp('Invalid Data Format.')
+    return
+  end
+
+  maxList(i+1,2:end) = string(max(rx));
+  stdList(i+1,2:end) = string(std(rx));
+
+end

projects/datalink_814/dl814_k7_cal_coarse/data/20230403-调零接收底噪/数据说明.md

@@ -0,0 +1,11 @@
+# 数据说明
+
+1. iladata_ad9361_pure_noise.csv: 调零板 AD9361 单板噪声。
+
+2. iladata_ad9361_ant_noise.csv: 调零板射频接收噪声。
+
+3. iladata_ad9361_pure_noise_A-B.csv: 调零板 AD9361 单板噪声，第 A 次上电过程中第 B 次采集结果。
+
+> 1~3 AD9361 配置均为 48Msps，BW 40MHz，外部本振，使用 AD9516-3 的 VCO 分频时钟。
+
+4. iladata_814_1t2r_48msps_bwxxm_xxx_lo_A-B.csv：调零板 AD9361 单板噪声，48Msps，BW xxMHz，ext_lo 表示外部本振，int_lo 表示内部本振，第 A 次上电过程中第 B 次采集结果。