PSNR

包括DS-CDMA 的衰落信道函数，多径衰落信道以及快衰落信道函数。(Including DS-CDMA in fading channel function, multi-path fading channel and fast fading channel function.)

说明：  基于巴特沃思滤波器的50Hz工频险波器,程序给出了滤波器系数并且作了频谱分析(Butterworth filter based on the frequency of 50Hz- risk devices, procedures given the filter coefficient and made spectrum analysis)

专门用于计算频散现象的matlab程序，各种功能函数都提供，并且还有举例说明，希望对大家的研究有所帮助(compute dispersion)

说明：  二维平平腔激光振荡，采用菲涅尔衍射和fox-li方法，得到两维幅度和相位输出。(Flat two-dimensional oscillating cavity laser using Fresnel diffraction and the method of fox-li, the two-dimensional amplitude and phase output.)

介绍了ofdm的原理，发展历史，关键技术等内容(Describes the principles of ofdm, development history, key technologies, etc.)

很详细的matlab程序 最小二乘法最优化程序(Very detailed procedures matlab least squares optimization procedures)

FFT加窗分析，计算幅值，相位，可以自己定义信号，加窗后相位差以及插值法(FFT window analysis)

matlab教程，有些还是很有用的，看看吧(matlab tutorials, some are very useful to see it)

说明：  matlab平台的一些运动估计块匹配算法，包括3步法，新3步法，4步法，菱形搜索等等(motionsEstAnalysis.m——Script to execute all Algorithms motionEstES.m——Exhaustive Search Algorithm motionEstTSS.m——Three Step Search Algorithm motionEstNTSS.m——New Three Step Search Algorithm motionEstSESTSS.m——Simple And Efficient Search Algorithm motionEst4SS.m——Four Step Search Algorithm motionEstDS.m——Diamond Search Algorithm motionEstARPSm——Adaptive Root Pattern Search Algorithm costFuncMAD.m——Mean Absolute Difference Function minCost.m ——minimum cost among macro blocks motionComp.m——motion compensated image creator imgPSNR.m ——finds image PSNR w.r.t. reference image)

newton-raphson numerical method