雷达发射 LFM 信号时,脉冲压缩公式的推导与 Matlab 仿真实现雷达测距
摘 要:基于 MATLAB 平台以线性调频信号为例通过仿真讨论了雷达信号处理中的脉冲压缩技术
在对线性调频信号时域波形进行仿真的基础上介绍了数字正交相干检波技术
最后基于匹配滤波算法对雷达回波信号进行了脉冲压缩仿真,仿真结果表明采纳线性调频信号可以有效地实现雷达回波信号脉冲压缩、实现雷达测距并且提高雷达的距离分辨力
关键词:线性调频,脉冲压缩,数字正交相干,匹配滤波
When radar transmits LFM signal, the pulse compression formula is deduced and Matlab simulation is used to realize radar rangingAbstract: Based on the MATLAB platform as example for LFM signal is studied by simulation of pulse compression technology in radar signal processing
Based on the simulation of time domain linear FM signal waveform is introduced on the digital quadrature coherent detection technology
Finally , based on the matched filter algorithm of radar echo signal of pulse compression simulation , the simulation results show that the linear FM signal can