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关于向图像中嵌入二值图像作为水印，用的是交换中频系数的方法。(DCT watermarking)

constrast streching gonzales

The most widely used transform for image fusion at multi scale is Wavelet Transform since it minimizes structural distortions. But, wavelet transform suffers lack of shift invariance & poor directionality. These disadvantages are overcome by using our proposed method that is Un-decimated Discrete Wavelet Transform.

Matlab simulink OFDM basic run model

一本Matlab的经典教材，适合刚入门的新人，可以帮你解决初期遇到的很多问题！(Matlab a classic textbook for newcomers just getting started, you can help solve many problems encountered early!)

OFDM system orthogonality plot or simulation

用以读写带卷头sgy文件的matlab程序,使用简单(a program that reads the syg file with vloume, which is easy to use)

Convex optimization exercises

SHUNT ACTIVE POWER FILTER

OFDM的实现过程及其解调过程的仿真分析。(The implementation of OFDM demodulation process simulation and analysis.)