雷达系统，matlab解决雷达距离分辨力与作用距离的矛盾，增加发射时宽 压缩接收时宽 加窗不同，从汉明-海明-布莱科曼 主副比改善情况依次变好 而主瓣宽度也变宽了(Radar system, MATLAB, solves the contradiction between range resolution and operation distance of radar, increasing the time of transmitting, and the time of compressi