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中文摘要：
针对目前Log—Normal分布杂波仿真中没有考虑线性滤波器物理可实现性的问题，首先研究了该杂波模型的统计特性及其ZMNL仿真方法；在此基础上，引入最小相位特性与复倒谱技术，提出了一种物理可实现的滤波器产生方法，同时详细阐述了物理可实现Log—Normal分布杂波随机序列产生的流程；最后，进行了仿真实验，仿真结果证明了该方法的准确性和有效性。该方法产生的杂波可用于雷达信号模拟、雷达图像分析及雷达最优信号处理器的设计。
英文摘要：
Currently the physical realization of linear filter is not considered in the simulation of the Log - Normal clutter. To solve the problem, we studied statistic characteristics of the clutter model and simulation method of Zero Memory Nonlinearity （ZMNL） at first. Then we adopted minimum phase feature and complex cepstrum technology, proposed the technique of the realizable filter in physics. The method for generating random Log - Normal sequences was set forth in detail. Simulation was carried out in the end. The results of simulation prove the validity and veracity of the method proposed in this paper. The clutter generated by this method can be used in the simulation of radar signal, analysis of radar image and optimization of radar signal processor.
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