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采用偏振检测方法 ,对机载激光测深实验系统接收到的大动态范围的水下目标反射的激光回波信号的压缩进行了实验研究。结果表明 ,偏振检测方法能压缩激光回波信号的动态范围至少达一个数量级 ,对水下的激光后向散射有较强的抑制作用 ;对探测水下目标反射的激光回波信号的影响不大。
Polarization detection method is used to study the compression of laser echo signal reflected by underwater target in large dynamic range received by airborne laser sounding experimental system. The results show that the polarization detection method can compress the laser echo signal of at least an order of magnitude of the dynamic range of the underwater laser backscattering has a strong inhibitory effect on detecting the underwater target reflection of the laser echo signal has little effect .