Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise FM jamming is analyzed by time domain autocorre

在直接扩频通信系统中，加强PN码序列的性能分析-PERFORMANCE ANALYSIS OF TNE