In order to improve the ranging accuracy of triangular wave modulated LFMCW radar,this paper studies the performance of Rife algorithm and amplitude and phase combined interpolation algorithm.Against to that when the signal frequency is much close to the quantized frequency point,the precision of Rife algorithm decreases,a kind of synthetic algorithm is proposed.Firstly,Rife algorithm is used for a rough estimate.When the frequency to be estimated is close to the center of two neighboring quantized frequenc...
【基金】
国防预研基金(9140A05020113BQ02061)
【更新日期】
2024-03-14 10:17
【分类号】
TN958
【正文快照】
引言线性调频连续波(Linear Frequency ModulatedContinuous Wave)雷达具有距离分辨率高,不存在距离测量盲区,方向性好,角度分辨率高,发射功率低等很多优良性能,尤其是90年代以后,固态微波毫米波器件取得前所未有的进步,LFMCW雷达通过采用毫米波集成技术实现近程探测,大大缩小?
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