Edge-direction-histogram-MATLAB

如题，很简单的小工具，信噪比snr和均方mse的MATLAB代码。(As topic,a very simple tool, SNR and MSE MATLAB code.)

说明：  用MATLAB编写与仿真了MSK信号，其中调制解调都有，很有用(Written and simulated using MATLAB MSK signal modulation and demodulation of which are very useful)

编写一个可以从一幅图像中提取一幅矩形子图像的函数。(Write an image can be extracted from an image of a rectangular sub-functions.)

传感器网络的关系，半径和程序中的节点数的连通概率和通信，利用MATLAB软件对部署图的计算机模拟(The relationship of sensor networks, the connectivity probability and communication radius and the number of nodes in the program, use the Matlab software on the computer simulation of deployment and mapping)

matlab下的小波消噪源程序，能较好的对非平稳信号进行滤波消噪(matlab source code under the wavelet denoising can be better to filter the non-stationary signal denoising)

本程序包内用matlab编写数值计算方法中的插值的源代码，包括Newton插值法，拉格朗日插值法，在mainInt.m文件中测试，并与拟合函数进行比较。供学习数值计算的程序员参考。(This program package using matlab numerical method of interpolation of the source code, including the Newton interpolation, Lagrange interpolation method, tested in mainInt.m file, and compare with the fitting function. For learning numerical Programmer s Reference.)

matlab 中的排列组合，阶乘等问题的详细描述与列子(the detailed description Liezi of matlab permutations and combinations, factorial)

一种新的函数拟合方法，在某些问题的近似程度上甚至优于径向基插值和Kriging插值方法(A new function fitting method, even better than the approximate extent of some of the issues radial basis interpolation and Kriging interpolation method)

GPS c/a码功率估计计算例程，相互学习一下(GPS c/a code power the estimated calculation routines, learn about each other)

包含CV、CA、Single、当前、恒转弯速率、转弯模型，小波包分析提取振动信号中的特征频率，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法。( It contains CV, CA, Single, current, constant turn rate, turning model, Wavelet packet analysis to extract vibration signal characteristic frequency, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm.)