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介绍一种大动态范围激光回波功率线性测量系统。
It is introduced that a kind of large dynamic range laser pulse echo power measurement system.
针对存在斑纹和湍流这两类乘性噪声的激光雷达系统，讨论了对数回波功率的估计问题。
The problem of estimating the log return power in a lidar system in the presence of multiplicative noise (speckle and turbulence noise) is discussed.
随后以大擦地角的回波信号为例，简要分析了杂波模型的幅度分布、功率谱和参数的特性。
The amplitude distribution, power spectrum and parameters are discussed briefly based on the return at a high grazing angle.
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