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数学建模清华数模讲义\model3b (Mathematical modeling Qinghua digital-analog handouts model3b)

电机拖动里的用空载点和负载点做出直流电机的固有机械特性曲线(failed to translate)

推算GPS卫星24小时内的位置，matlab程序，本人花了很多时间编写！(projections GPS satellite within 24 hours of the location of Matlab procedures, I spent a lot of time to prepare!)

用于分层模块化的louvain算法，该算法稳定性高，效率高(louvain algorithm for hierarchical modular, the algorithm is high stability, high efficiency)

说明：  多目标程序优化，各种算法，成本费用优化，大家可以相互交流(Multi objective program optimization, various algorithms, cost optimization, we can communicate with each other)

本文提出了一种基于独立分量分析的音频数字水印方法。嵌入水印时,对原始音频文件进行一级小波分解,在分解 得到的逼近分量中利用随机混合方法嵌入水印后进行小波逆变换形成嵌入水印的音频文件。仿真实验结果表明这种方 法的强鲁棒性和可行性。(Abstract:Audio p roduction is one of the important digital multimedias, which transmit becomes more and more convenient. To p revent the multimedia content from being stolen or illegally used, audio content p rotection techniques become increasingly impor2 tant so that the potential of these app lications can be reached. As the importantmethod of copyright p rotection, the digitalwater2 marking technology has been acquired widely recognition and research. This paper p resents a method of digital audio watermark2 ing based on independent component analysis. When embedding watermarking, the original audio is decomposed by single2level discrete 12D wavelet transform, watermarking is embedded by mixing randomly to the app roximation coefficient vector obtained, and the audio is single2level reconstructed receiving audio havingwatermarking. Emulated experiment results show that thismeth2 od is robust and feasible.)

说明：  数字波束形成，阵列信号，里面包含了经典DBF算法和基于FFT多波束形成算法，适合初学者，自己编的(Digital beamforming, array signal, suitable for beginners, own)

针对图像的边缘检测的SIMULINK模型,可以准实时处理(against the edge of the image detection simulation model will permit real-time processing)

基于Matlab开发环境的FIR数字低通滤波器设计的源代码。(Based on the development environment of Matlab FIR digital low-pass filter design source code.)

数字信号处理与题解。DSP理论入门电子书，书中有简单的Matlab编程，以及简单的滤波器设计(Digital signal processing and problem solution. Introduction to DSP theory book, the book has a simple Matlab programming, and simple filter design)