mathlab

这个程序主要针对信号的调制与解调进行的编程，感觉很实用。(This program targeted signal modulation and demodulation for the program, feeling very practical.)

一篇介绍基于DCT域水印和文本水印算法的研究的硕士论文，提出多种新的水印算法(Introduced a master s thesis based on DCT domain watermark and text watermark algorithm is proposed a variety of new watermarking algorithm )

数值分析：An introduction to Numerical Analysis 作者：Endre Suli and David F.Mayers University of Oxford Cambridge University Press(An Introduction to Numerical Analysis Auther:Endre Suli and David F.Mayers University of Oxford Cambridge University Press)

说明：  主成分分析代码 用于图像数据处理、特征提取等作用，是基于matlab而编写的代码(PCA code)

本代码是利用dwt小波分析，实现了对音频加入灰度水印的源代码，可直接运行，生成两个音乐文件，一个是嵌入声音后的，另外一个是噪声文件。(This code is the use of wavelet analysis dwt, the realization of audio into grayscale watermark source code can be run directly, generates two music files, one after the embedded voice, the other is the noise file.)

自己建的双馈式异步风力发电机模型，经过一系列封装后建成的整体模型。(Build the doubly fed induction generator model, and after a series of integrated model of the whole model.)

taylor分布的天线综合代码，基于原始的指数方程编写，并且附加了相位项，可以用来优化综合。(taylor antenna integrated code distribution, exponential equations based on the original writing, and an additional phase term can be used to optimize the synthesis.)

说明：  matlab图像处理代码,很有帮助的参考程序代码(matlab image processing code, and useful reference code)

matlab编写的菱型搜索算法，希望大家有用(Diamond Search Algorithm)

3、 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。 (3, the Rayleigh channel modulation and demodulation, channel estimation: (1) Please derive the single-path Rayleigh channel coherent demodulation of BPSK BER performance theory, and draw the signal to noise ratio and bit error rate curves. (2) single-path Rayleigh channel, please design a division of the guide-assisted channel estimation method, using Simulink simulation, measurement of the BER performance of BPSK, draw-bit signal to noise ratio and bit error rate curve, and with (1) of the curves were compared. )