remove annimation to boost page loading, change imgae dir structure
@@ -1,4 +1,4 @@
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{% if site.tags.length > 1 %}
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{# {% if site.tags.length > 1 %}
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<script type="text/javascript" charset="utf-8" src="{{ url_for('/js/tagcloud.js') }}"></script>
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<script type="text/javascript" charset="utf-8" src="{{ url_for('/js/tagcanvas.js') }}"></script>
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<div class="widget-wrap">
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@@ -8,4 +8,4 @@
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</canvas>
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</div>
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</div>
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{% endif %}
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{% endif %} #}
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@@ -2,7 +2,7 @@
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body{
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// 设置背景图片
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background:url(../images/bg.svg);
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background:url(../images/misc/bg.svg);
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background-repeat:repeat;
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}
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@@ -483,9 +483,9 @@ $$\begin{equation}
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  [图 2.1.5](#fig.2-1-5) 给出了几个代表性的离散长球序列(归一化到 $w_6$),[图 2.1.6](#fig.2-1-6) 给出了对应的波束方向图:
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- 当 $\psi_0$ 接近于零的时候, $w_0$ 趋近于均匀加权,因为此时使方向性最大;
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- 当 $\psi_0$ 接近于零的时候,$w_0$ 趋近于均匀加权,因为此时使方向性最大;
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- 对于 $\psi_0 = 0.2\pi$,大多数的能量集中在主波束,波束宽度略增大,旁瓣在 $-20\text{dB}$ 以下;
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- 对于$\psi_0 = 0.4\pi$,旁瓣为 $-53\text{dB}$, 但波束更宽。
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- 对于$\psi_0 = 0.4\pi$,旁瓣为 $-53\text{dB}$,但波束更宽。
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DPSS 加权的波束方向图参数为:
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