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QDPSK调制解调源码，用于matlab仿真分析。(QDPSK modem source code for the matlab simulation.)

说明：  用matlab实现简单的车牌自动定位程序,内含两个子函数(Matlab license plate with a simple automatic positioning process that includes two Functions)

船舶电力推进 直接转矩控制 脉冲生成 仿真模型(ship dtc)

将声音文件在时间轴上分割成几段，分别将段的秩序及某些段内的秩序颠倒，从而实现了对声音文件的加密。首先，先读取一个声音信号，对信号做1024点FFT变换，取完点之后，分成四个向量，四个向量组成一个矩阵，再对每一个向量进行转置，再重新整合，从而就实现了回密的过程。(Sound files on the timeline will be divided into paragraphs, each paragraph of the order and reversed the order of some paragraphs to realize the encryption of sound files. First, the first reading of a voice signal, the signal was 1024 points FFT transform, check after the completion point, divided into four vectors, the four vectors form a matrix, then for each vector transpose, re-integration, which will achieve a return to close the process.)

car plate localization

convolution signal continue

MIT 数据挖掘原理。。。。数据挖掘原理(MIT Data Mining Principles. . . . Principles of Data Mining)

离散时间语音信号处理--原理与应用 相关matlab文件(Discrete-Time Speech Signal Processing:Principles and Practice )

高斯消元法MATLAB实现，小报告形式展现(Gaussian elimination MATLAB implementation)

Basic image processing operations