PMSM_PI2018a

利用ＤＣＴ变换给图像插入水印信息，配有详细步骤说明( Use of DCT insert watermark to the image, with a detailed description of the steps)

录制一段自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；通过matlab界面进行编程设计，界面方便人们操作( Their record a voice signal, and recording the signal is sampled draw sample after the time-domain waveform and frequency spectrum of the speech signal designed by matlab programming interface, easy for people to interface)

I simulate a very simple interfrogram

常规波束形成，均匀加权，给个权重因子，线列阵常规波束形成。(Conventional beamforming, uniform weighting, to a weight factor, the conventional line array beamforming.)

音效反馈梳装滤波器的matlab程序，可配合使用实现混响效果(comb filter for music effect )

对图形进行边缘检测并输出边缘点和该点所在处的灰度变化率。(edge detection and output the edge point and its corresponding gradient.)

PV model built in simulink.

Sine pdf for users that work in the domain of signal processing. help how to improve the process and work

这是一个mathlab编写的音乐程序 通过他你可以生动的感受mathlab的神奇魅力！！(This is a progress of music.)

lms算法实现滤波，重构权值，对噪声信号进行重构，可以实现时延计算(LMS algorithm filtering, reconstruction of the right value, the noise signal reconstruction, time-delay calculation can be achieved)