sandianqianfangjiaohui

matlab similarity matching using SAD filter

对利用录音设备对手机、电话等按键式密码输入终端进录音盗取银行卡密码的不法行为进行技术分析，利用MATLAB软件编程对按键式密码输入终端的按键音进行音频分析，基于短时能量和过零率对所采集的音频文件进行端点检测，提取出单个拨号音，然后对处理后的音频进行频谱分析、对比，从而识别按键式密码输入终端的按键音。(On the use of recording equipment on the phone, telephone touchtone input terminal password into the recording steal bank card passwords wrongful conduct technical analysis using MATLAB software programming for touch-tone touchtone password input terminal for audio analysis, based on short-term energy and zero-crossing rate of the acquired endpoint detection audio files, extract single dial tone, and then processed audio spectrum analysis, comparison, to identify key tone touchtone password input terminal.)

说明：  书名：MATLAB在数学建模中的应用 主编：卓金武；副主编：魏永生等 出版社：北京航空航天大学出版社(The application of MATLAB in mathematical modeling Chief editor: Zhuo Jinwu; Deputy Chief Editor: Wei Yongsheng, etc Press: Beijing University of Aeronautics and Astronautics Press)

earth position naviation

包含Jacobi和Seidel两种迭代法，用于求解线性方程，计算简单，收敛快(Contains two kinds of Jacobi and Seidel iterative method for solving linear equations, computing simple, fast convergence)

本系统实现电力系统遗传算法的应用，能够很好的解决在电力系统中一般问题的求解(Realize the system of genetic algorithm for power system applications, can be a good solution in the power system to solve the general problem)

二维FDTD模拟 pml吸收边界程序，功能强大，书写详尽(Pml absorbing boundary two-dimensional FDTD simulation program, powerful, writing a detailed)

利用正态分布和核密度估计计算分位数。包括正态分布分位数函数、核估计概率密度函数、核估计累计分布概率函数、核估计计算分位数函数。(Normal and kernel density estimation using sub-digit calculation. Including the normal quantile function, kernel estimate probability density function, cumulative distribution probability function kernel estimation, kernel estimate calculated quantile function.)

A book on C programming

说明：  一个ofdm的matlab仿真程序，直接运行即可(the Matlab simulation procedures can be run directly)