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Random switch antenna array FMCW radar and its signal processing method

机译:随机开关天线阵列FMCW雷达及其信号处理方法

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摘要

In this paper, random switch antenna array (RSAA) is proposed to apply to the switch antenna array (SAA) frequency-modulated continuous-wave (FMCW) radar system. Firstly, the signal model and signal processing method of RSAA is analyzed and it shows that RSAA can successfully solve azimuth-velocity coupling problem. Then we suppose a method by using RSAA to reduce the switching frequency and sampling rate based on sparse signal representation with multiple measurement vectors (MMV). It is shown in simulations that the proposed algorithms yield better performance in terms of azimuth-velocity decoupling and can obtain high image accuracy with less observation data.
机译:本文提出将随机开关天线阵列(RSAA)应用于开关天线阵列(SAA)调频连续波(FMCW)雷达系统。首先,对RSAA的信号模型和信号处理方法进行了分析,结果表明RSAA可以成功解决方位角速度耦合问题。然后,我们提出了一种基于RSAA的方法,该方法基于具有多个测量矢量(MMV)的稀疏信号表示来降低开关频率和采样率。仿真结果表明,所提出的算法在方位速度解耦方面具有更好的性能,并能以较少的观测数据获得较高的图像精度。

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