MAPdemodulationforFQPSK

BPSK modulation with Hard decision type of coding.

燃油消耗率一直是大家关注的问题，本程序采用matlab编程，绘制不同转速下发动机的燃油消耗率(The fuel consumption has been an issue of concern, the procedures used Matlab programming, drawing different speeds the engine s fuel consumption rate)

用于ycbcr空间检测人脸肤色，需要自己添加试验级。用photoshop软件将人脸涂白，其余的地方全部涂黑。(For YCbCr space to detect facial complexion, you need to add test level yourself. Photoshop software is used to whitewash the faces and the rest are blackened.)

能够实现信号的短时傅里叶变换，对仿真信号或实测信号进行时频分析，(To achieve short-time Fourier transform signal, the frequency analysis of the signal in time.)

说明：  老外编的标准pso算法的matlab工具箱(foreigners series of the PSO algorithm standard Matlab Toolbox)

反距离加权插值法idw的matlab算法，含文件《IDW在医学断层图像可视化中的应用》及《基于ArcGIS两种空间插值方法的比较》。(Matlab algorithm, inverse distance weighted interpolation method idw file containing " IDW medical images visualization based on ArcGIS two spatial interpolation method of comparison." )

對於BMP圖檔藏入字串訊息可以觀看藏入後的圖檔以及藏入前的圖檔(BMP image file into the string for possession of hiding messages can watch after the image file and image file before hiding)

matlab使用各种滤波函数实现图片的去噪处理(using the function denoising )

射频功率放大器预失真，通过matlab建模来实现预失真前后对比(RF PA predistortion)

基于DV-Hop的定位算法，利用三边测量以及极大似然估计法实现定位，误差较低，有误差分析图。(Based on DV-Hop localization algorithm, using trilateration and maximum likelihood estimation method to achieve localization, lower error margin of error analysis chart.)