PD-control-of-PID

利用arnold置换简单加密图片，并将其保存起来(Replacement using a simple encryption arnold pictures and save them)

Collections of algorithms for removal of shadows in an image

tvp-var model 可以用来做TVP-VAR模型(tvp-var model for good use)

denoising image with DWT

Nonlinear Total Variation based noise removal algorithms. Based on: L. Rudin, S. Osher, E. Fatemi

现代通信系统（matlab版）（第二版）配套源代码 John G. Proakis等著 刘树棠 译 电子工业出版社出版(modern communication system (Matlab version) (2nd Edition) source code supporting John G. Proak Liushutang is waiting for the translation of the electronics industry published)

matlab阵列信号处理工具箱，请大家一起交流(matlab array signal processing toolbox, please exchange with U.S.)

用于无限冲激响应的数字滤波器设计，此处所用的是双线性冲激响应法以及脉冲响应法设计的一段Matlab程序。(For an infinite impulse response digital filter design, where the impulse response using a bilinear method and the impulse response method designed a Matlab program.)

This is a matlab code for fast fourier transformation using gaussian filter

Orbit Determination Codes for satellite in MATLAB