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Image Quality Assessment simple coding in Matlab

高斯平滑滤波，属于低通滤波，有效去除图像噪声。(Gaussian smoothing filter, a low pass filter effectively removes image noise.)

说明：  C++BUILDER与MATLAB实现混合编程源代码(C++ BUILDER realize mixed language programming with the MATLAB source code)

产生随机数的方法很多，很多软件自己就有产生随机数函数，本程序用的是乘同余法产生随机数，经对比，效果比matlab自带的要好。(Many methods of generating random Numbers, this procedure is by using congruence method generating random Numbers.)

此代码采用分布傅里叶法实现光纤通信中的色散和非线性特性传输。(This code simulates the NRZ code and decode in single mode fiber communication )

Harmonics Generator, Signal Analysis

These matlab files will simulate the pseudo-3D model of a fracturing process which is widely used process in petroleum industry and P3D model is widely used in that process.

使用Matlab进行wav文件的基音频率提取，包括自相关法、平均幅度差法和倒谱法等。(Wav files in Matlab to extract the pitch frequency, including the auto-correlation method, average magnitude difference method and the cepstrum method.)

讲解关于matlab中对矩阵分解，包括lu，lqr等等(matlab matrix)

惯性导航系统仿真用来描述导航系统的导航方法，最后做出一系列的仿真图形来判断导航的效果。(Inertial navigation system is a common kind of navigation system.It is widely used in a lot of fields including military and civil applications.)