QPSK

说明：  BP source code for matlab

Using Advanced Signal Processing Techniques on Ambient Vibration Records of a Structure

modulated_coded_symbols

BER Analysis for OFDM system

关于宽带雷达回波目标基于径向积的检测方法matlab实现程序(About Broadband Radar target detection method based on radial plot matlab implementation program)

详细讲解MATLAB7_0的新功能和特点，PDF文档(MATLAB7_0 elaborate on the new functions and features, PDF documents)

在电话拨号时 ，每个按键都使用双频信号进行区分的，本MATLAB程序就是用来模拟发送号码的发送和接受过程，并发出按键音。(In a telephone dial-up, each button using the dual-band signal distinction, the MATLAB program is used to simulate the sending number to send and accept the process and issue the key tone.)

simulating random integer numbers

说明：  nsga2算法，测试指标IGD和GD，测试函数ZDT1-ZDT4,DTLZ1-DTLZ4(NSGA2 algorithm, index metrics IGD and GD, test functions ZDT1-ZDT4, DTLZ1-DTLZ4)

这是一个气体检测的程序，用于检测甲烷等气体，很有用的啊(This is a gas detection program for detecting methane and other gases, useful.)