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DTMF+双音多频的matlab实现程序（带注释）(DTMF matlab code)

example frequency spectrum annlysis

压缩包中包含5个matlab源代码和一份matlab编程指导资料。代码依次是floyd.mgrMaxFlows.m,grMinVerCover.m,mintreek.m,IntLp.m.前四个是图论与网络优化非常好用的程序，第五个用于求解整数规划问题。(Compression package contains five Matlab source code and a Matlab programming guide information. The code is followed by floyd.m grMaxFlows.m grMinVerCover.m, mintreek.m IntLp.m , the former four of graph theory and network optimization is very easy to use program, the fifth for solving integer programming problems.)

利用小波分解实现对信号多尺度分解重构，程序简单。(Wavelet decomposition of signal multi-scale decomposition and reconstruction, the program simple.)

returns the envelope of a signal. matlab code

Abstract—Numerous methods have been developed for holistic face recognition with impressive performance. However, few studies have tackled how to recognize an arbitrary patch of a face image. Partial faces frequently appear in unconstrained scenarios, with images captured by surveillance cameras or handheld devices (e.g., mobile phones) in particular.

说明：   用途：用SOR法解线性方程组Ax=b 格式：x=masor(A,b,omega,x0,ep,N) A为系数矩阵，b为右端向量， 用途：用复辛普生形公式求积分。(a)

说明：  QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统(QPSK Matlab/Simulink simulation system modulation and demodulation, the received signal is given eye and BER simulation systems, including carrier recovery, matching filter, timing recovery and other important module to help understand the system QPSK)

COMPANDING USING ULAW IN MIMOOFDM

雷达来波方向的DOA估计，本程序是利用matlab进行一维DOA谱峰搜索(Radar DOA DOA estimation, the procedure is carried out using matlab DOA one-dimensional spectral peak search)