matlabcodeechohiding

说明：  利用matlab进行数字图像处理，滤除图像中的外来干扰，效果不错，但最好进行后期处理。(Digital image processing using matlab, external interference in the filtered image, the effect is good, but the best post-processing.)

该代码为电力系统区域间电力和能量交换，联络线功率控制的经典程序。(the code is made for power system energy and power exchange.)

一维曲线的分形维数源代码，希望你们有用。自己的课题写的程序(One-dimensional fractal dimension curve source code, I hope you will be useful ~ ~)

标量积算法反演雷达海浪图形的反演算法，可得到各种海流参数(Scalar wave radar graph algorithm inversion inversion algorithm parameters obtained various currents)

此程序用于求非平稳信号的关联维数，最适用于原始信号的维数较低的情况(This procedure used for non-stationary signal correlation dimension, the most suitable for the original signal in the case of low dimension)

实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换，得到频谱图。(To achieve spectral analysis. Shows the signal with the frequency spectrum. Sinusoidal signal and triangular wave one-dimensional FFT algorithm to obtain the frequency spectrum.)

turbo码的MATLAB simulaiton 采用硬输出判定 支持qpsk (turbo codes using MATLAB simulaiton qpsk hard output decision support)

輸入點位於WGS84之大地經、緯度，可於命令窗顯示此點之卯酉圈曲率半徑N、子午圈曲率半徑M及平均曲率半徑R及此點之空間直角坐標X、Y及Z。(Input point is located in the WGS84 geodetic latitude and longitude can be displayed in the command window of the prime vertical radius of curvature point N, M meridian radius of curvature and the average radius of curvature R and the point of the space rectangular coordinates X, Y and Z.)

根据图像的世界坐标和在照片中的坐标，计算出摄像机的各个参数(Camara Calibration )

说明：  BP神经网络，用simulink搭建模型，用于分类识别(BP neural network, using Simulink to build a model for classification and recognition)