Ex6_pmm

802.15.4a 信道程序.为无线通信协议802.15.4a 建模.(802.15.4a Channel procedures. For wireless communication protocol 802.15.4a modeling.)

说明：  精通matlab综合辅导与指南 包括很多例程 对初学者有很大的帮助(Proficient in matlab comprehensive guidance and guidelines include many routines for beginners are of great help)

考虑输入双输出系统，输入量均为方差为1的互不相交白噪声，测量噪声采用方差为0.1的互不相交白噪声(Consider input dual-output system, enter the amount of all variance disjoint white noise, measurement noise variance was used to the white noise of 0.1 disjoint)

这个是我编的改进了的语音处理里面的普减法，效果及其显著，可以直接编译运行(This is my series of improved voice processing inside Pu subtraction, and its significant effect, you can direct the compiler to run)

实现了PLSA的MTLAB算法，分门别类，较详细。(PLSA algorithm to achieve the MTLAB, categories, more detailed.)

魏格纳时频分布，非平稳随机信号离散时间wvd仿真处理(Wigner time-frequency distribution, non-stationary random signal processing discrete-time simulation wvd)

the intersection of cycl in matlab.show the result in figur.

孙志忠书：偏微分方程数值解，第三章第一节：抛物方程的有限差分解法向前欧拉格式(forward euler difference scheme for parabolic problem)

matlab构造股票过程，里面有详细的描述(matlab course of construction stocks, which are described in detail)

特征值分析，便于模态分析电网稳定态态势分析和薄弱环节识别(Eigenvalue analysis, to facilitate modal analysis grid steady state trend analysis and identification of weak links)