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说明：  高斯滤波是一种较常见的滤波方法，它能有效滤除高斯白噪声的影响。(Gaussian filter is a common filtering method can effectively filtered Gaussian white noise.)

说明：  基于已知特性信道的QAM系统的仿真和性能分析(Based on the known characteristics of the QAM channel system simulation and performance analysis)

fsk调制解调及相应误码率计算。随机产生一正弦信号并进行相应的调制解调。(fsk modem and the corresponding bit error rate. Randomly generate a sinusoidal signal and the corresponding modem.)

对于matlab plot 画图时出现图像纵坐标比较接近时颜色分辨不出来，使图像颜色更丰富。(For matlab plot occurs when the image drawing closer to the vertical axis can not be seen when the color to make the image more colorful.)

二维光子晶体，Tm模式，PML边界条件，点源扩散，总场边界场(Two-dimensional photonic crystal, Tm model, PML boundary conditions, point source diffusion, the total field boundary field)

用Matlab实现完全重构双通道滤波器组，用matlab自带函数库实现(Using Matlab to achieve perfect reconstruction two-channel filter banks, the library comes with a matlab implementation)

说明：  matlab gm（1，n）程序 希望对灰色系统研究者有所帮助(matlab gm (1, n) process researchers hope to help the gray system)

Oqpsk调制与解调matlab源代码，用于在matlab中仿真oqpsk调制与解调的过程，非常适合初学者。(Oqpsk modulation and demodulation matlab source code for the simulation in matlab oqpsk modulation and demodulation process, very suitable for beginners.)

通信原理中功率谱密度的仿真，仿真了不同占空比，等概、非等概双极性矩形随机信号的归一化功率谱密度，并分析不同信号（不同占空比，等概非等概）所包含的频谱分量，有无直流分量和定时分量信息(Communication theory in the power spectral density of the simulation, the simulation of different duty cycles, such as almost, almost bipolar rectangular Non-random signal normalized power spectral density, and the analysis of different signals (different duty cycle, etc. None of the other Summary) contains the spectrum component, with or without DC component and time component information)

基于dct的截断奇异值方法(TSVD)方法的源代码(TSVD: Truncated Singular Value Decomposition: TSVD)