this is simmulation QPSK modulation in AWGN channel

说明：  用MATLAB编程实现OFDM调制，使用了FFT和IFFT方法(Programming with MATLAB realize OFDM modulation, the use of FFT and IFFT methods)

说明：  地球物理勘探过程中对地震记录数据添加道头(Geophysical data in the process of seismic records to add Wharf)

matlab 实现彩色图片转换成素描画，基于matlab(convert the photo to sketch drawing!)

暂态程序，主要应用于电力系统分析过程当中。(transition)

Image Binirization with Adaptive Threshold. Very goo when used with morphology

用粒子群算法对非线性系统进行 非线性回归(Using particle swarm algorithm for nonlinear system by nonlinear regression)

该代码主要是解决激发介质问题，用来计算每一个元胞。(The code is mainly to solve the problem excitable media, used to calculate each cell.)

进行波形数据分析,数学方法是部分子空间法，可以得到很精确的幅值、频率、相位估计。( Waveform data analysis, Mathematics is part of the subspace, You can get a very accurate amplitude, frequency, phase estimation.)

伪谱法安装程序，直接在MATLAB环境下运行安装文件，随后即可使用，效果不错的一种方法，希望有用。(The installer pseudo-spectral method)

Quasi Resonant SMPS Controller I C