MATLAB

this source code based on steganography and developed in matlab. in steganography we can hide any data like images in another image. this method based on block processing method.

六十四QAM调制解调器，实现星座映射解映射(64QAM encoder)

在过程控制中，按偏差的比例（P）、积分（I）和微分（D）进行控制的PID控制器（亦称PID调节器）是应用最为广泛的一种自动控制器。(In process control, according to the ratio of deviation (P), integral (I) and differential (D) to control the PID controller (also known as PID regulators) is the most widely used an automatic controller.)

Evaluate the multi-variate density with mean vector m and covariance matrix C for the input vector x.

计算一个输入脉冲在抽样频率为fc时的有效持续时间tm(calculation input pulses in a sampling frequency fc for the effective duration tm)

高斯函數方程式案例，主要是以matlab軟件來運算標準題型。(Gaussian equation case, mainly matlab software to compute the standard questions.)

matlab下基于视觉的人体行为识别，用于行为识别，机器视觉方面，可以做毕业设计，毕设成果。(this is the matlab code for computer vision and behavier recognization)

compress the watermarked audio signal with the mpeg1 codec to test the robustness input : vector representing the watermarked audio file output : vector representing the watermarked audio file compressed by the mpeg1 codec

模拟二维可压缩超音速风动内的流动参数随风动形状的变化(Simulate the two-dimensional compressible supersonic wind-driven flow parameters in the wind dynamic changes in shape)

很简单的交错网格有限差分正演程序，程序通俗易懂，非常适合初学者学习(Staggered grid finite difference)