给出接收信号眼图及系统仿真误码率，相参脉冲串复调制信号，信号处理中的旋转不变子空间法，采用了小波去噪的思想，微分方程组数值解方法，LDPC码的完整的编译码，车牌识别定位程序的部分功能。-The received signal is given eye and BER simulation systems, Complex modulation coherent pulse train signal, Signal Processing ESPRIT method, Using wavelet denoising thought, Numerical solution of differential equations method, Complete codec LDPC code, Part of the license plate recognition locator feature.