Laser speckle phenomenon happens when a laser beam reflected by a reflectionsurface interferes with itself.
激光散斑现象产生于激光束与反射表面反射回来的反射光束的干涉。
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Methods: Using a particle model to show a reflection wavelet, all the particles from the same bed will coincide to a reflectionsurface.
方法：将第每个反射子波用一个粒子模型表示，来自同一反射面的子波粒子相互叠合成一个同相面。
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Through selecting appropriate curve length of the reflectionsurface, it can reduce the reflection clutter of the near ground and improve the detection ability of low altitude.