已调制信号计算其普相关密度，仿真效果非常好，LDPC码的完整的编译码，包括调制，解调，信噪比计算，现代信号处理中谱估计在matlab中的使用，有CDF三角函数曲线/三维曲线图，线性调频脉冲压缩的Matlab程序,进行波形数据分析。- Modulated signals to calculate its density Pu-related, Simulation of the effect is very good, Complete codec LDPC code, Includes the modulation, demodulation, signal to noise ratio calculation, Modern signal processing used in the spectral estimation in matlab, There CDF trigonometric curve/3D graphs, LFM pulse compression of the Matlab program, Waveform data analysis.