Abstract:According to the characteristic of coherent pulse compression in the passive location system using the FM broadcast signals, the desampling FIR filter is necessary and feasible. The maximum of SNR after coherent pulse compression is defined as the proper criterion for the design of the desampling filter. The relation of the SNR and the coefficients of the filter adopted is deduced. The steps by the Rayleigh quotient method to obtain the optimal desampling FIR filter are also presented. The results of simulation show that the proposed method achieves good SNR despite its low computation complexity.
赵洪立;吴铁平;保铮. Rayleigh商-降采样滤波器在基于调频广播信号的单站无源定位系统中的应用[J]. 电子与信息学报, 2005, 27(4): 566-569 .
Zhao Hong-li; Wu Tie-ping; Bao Zheng. Application of Rayleigh Quotient-Desampling FIR Filter in Passive Location System Using the FM Broadcast Signals. , 2005, 27(4): 566-569 .