pegasis代码的简单matlab仿真

经典书籍《通信系统仿真原理与无线应用》chap8部分课后题仿真源代码，用MATLAB编写的(Classic book, )

超声波流量计过零检测程序。通过找超声波信号的峰值和波形个数来确定到达时间。(It s a ultrasonic flowmeter zero-crossing detection program.To Find the peak of the ultrasonic signal and waveform numbers to determine the arrival time.)

说明：  theori jame of mashin elec in matlab mfile

基于matlab的LLE算法代码，是人脸识别代码中的子程序(LLE algorithm matlab-based code, the code is a subroutine face recognition)

基于PCA的故障检测，有实验数据和仿真程序，效果不错。(PCA-based fault detection, experimental data and simulation program, to good effect. )

对信号进行时域平均分析，提起周期性信号，常用于故障诊断(Time domain signal analysis)

利用构造函数法和线性回归算求一一维微观形貌的分形维数可直接使用。 (The constructor method and linear regression operator seeking the eleven-dimensional morphology of the fractal dimension can be used directly.)

紫外光通信系统路劲损失的简化模型仿真，简单好用(A simplified model of UV communication system simulation losses Road King, easy to use)

matlab的通信原理实验指导，对需要查东西的人很有帮助(matlab communications guidance principle experiment, the things people need to check very helpful)

tree leaves counter for Matlab