daopufenxi

Noise and vibration analysis for MDOF system

PAR reduction in OFDM via active constellation extension

plot the qam .Useful for the beginners.

数字中频正交解调的matlab仿真程序，简单带通信号的正交解调实现(Digital IF quadrature demodulation matlab simulation program, a simple bandpass signal quadrature demodulator to achieve)

matlab代码，CN 算法求解非线性薛定谔方程，并且衍射积分(matlab code, CN algorithm for solving nonlinear Schrodinger equation, and the diffraction integral)

计算故障诊断振动信号的时频域特征，得到特征向量(Calculating the Time-Frequency Domain Characteristics of Vibration Signals in Fault Diagnosis)

this file simulates reciever in relay node of cooperative ofdm communication

介绍了通信系统中幅度调制的基本例子，将信息加载到幅度参量中。(The basic example of amplitude modulation communication system, the information will be loaded into the magnitude of the parameters.)

用于视频水印的攻击实验以及实验结果。通用攻击。(For video watermarking attacks, and experimental results. General attack.)

APFC电路，利用市电220V,将Boost电路的功率因数提高，仿真了电流电压波形(APFC circuit)