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电子学报  2015 

基于模糊函数的LM型压缩接收机频率检测性能分析

DOI: 10.3969/j.issn.0372-2112.2015.03.014, PP. 505-511

Keywords: 频率检测,压缩接收机,线性调频,模糊函数

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Abstract:

以压缩接收机工作机理线性调频傅氏变换为基础,对当前常用的"长相乘—短卷积"压缩接收机模型特性进行了细致研究.参照模糊函数对雷达信号分析的方法,定义了压缩接收机输出函数,该函数描述了当与无损测频输出相比时,由雷达信号载频和实际脉冲展宽延迟线滤波器置空率引起的输出波形的变化.通过该函数可以对压缩接收机的频率分辨力、截获概率、到达时间等性能参数做出解析性分析.

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