中文说明：
本程序研究IQ误差对线性调频信号匹配滤波的影响，仿真匹配滤波后信号幅相误差特性，仿真主瓣宽度、旁瓣电平的变化
English Description：
This program studies the influence of IQ error on the matched filtering of LFM signal, simulates the amplitude and phase error characteristics of the signal after matched filtering, and simulates the changes of main lobe width and side lobe level