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ldpc码的dpsk调制，针对bp译码专用的调制方式(LDPC code DPSK modulation, decoding bp for the exclusive use of modulation)

说明：  输入圆的半径求周长和面积。程序由三个函数组成：主函数进行输入输出和函数调用，perimeter函数求周长，area函数求面积。(Enter the radius of the circle circumference and area requirements. Program consists of three functions: the main input and output functions and function calls, perimeter function evaluation perimeter, area function for the area.)

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 discrite fourier transform method.

对图片中的各种几何图形进行识别，包括圆形，正方形，矩形，六边形，菱形等(On the picture to identify the various geometric shapes, including round, square, rectangular, hexagonal, diamond, etc.)

图形的原始信号和加噪声后的信号，以及原始信号的matlab程序，能够较好的实现信号的仿真(The graph after the original signal and processing noise signals, as well as the original signal matlab program, to be better able to achieve signal simulation)

用感知器实现或功能的M文件，MATLAB中运行正确，(ANN)

用法： {$R *.dfm} {$R uac.res} 2个功能： 1、程序关闭时不再弹出无用的兼容性助手 2、使程序可弹出uac授权申请(Usage: {$ R* .dfm} {$ R uac.res} 2 functions: 1, when the program is closed no longer eject unwanted Compatibility Assistant 2, so that the program can be authorized to apply the pop uac)

模态参数频域识别，是指在频率域内识别试验结构模态参数的方法。(The frequency domain modal parameter identification, is the recognition test in the frequency domain method of structural modal parameters.)

小波极大值消噪程序，可实现数据的消燥功能(Maxima of wavelet de-noising procedure, the extinction data can be dry functions)

本程序提供PLS算法，并提供了两个相关的数据处理的例子！(This program provides PLS algorithm, and provides two examples of the relevant data processing!)