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这个程序对简单LPC-10声码器做了一些改进，使其对浊音的激励变得较强，使用声激励LPC声码器来提高声音的质量。它与简单LPC-10音码器的差异是用激励检测器替换了基音检测器。(This program simply LPC-10 vocoder made some improvements to make them become a strong incentive voiced the use of acoustic excitation LPC vocoder to improve the sound quality. It sounds simple LPC-10 codec difference is replaced with the excitation detector pitch detector.)

用MATLAB编程，用FDTD方法分析了非对称薄膜波导的传输特性(Programming with MATLAB, using FDTD method to analyze asymmetric transmission characteristics of thin film waveguide)

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.)

基于matlab平台实现,可以实现模式识别领域的数据的分类及回归，一个很有用的程序。( Based on matlab platform, You can achieve data classification and regression pattern recognition, A very useful program.)

周期对称方波信号的傅里叶级数展开 有限项级数来逼近无限项级数(fourier series )

调制识别是非协作通信中的关键技术之一，在电子对抗、软件无线电等领域 应用十分广泛。该过程介于信号检测与解调之间，由于对传输信号没有过多的先 验信息以及在接收端有很多未知的参数，例如：信号功率，载波频率和相位偏移， 时间信息等，导致对调制方式的盲识别是一项很困难的任务。此外，实际中存在 多径衰落、频率选择性和时变信道等问题，使得这项任务变得更具有挑战性。 (The modulation recognition is one of the key technologies of the non-cooperative communication, such as electronic countermeasures and software defination radio, therefore it is such a significant discipline and orientation in the research of communication field. Obviously, without enough knowledge in transmitter and verified parameters about receivers, for example signal power, carrier frequency and phase offsets and so force, it is hard to get the modulation of blind identification. What is more, for the sake of the multipath fading, frequency-selective and time-varying channels in the real scenarios the task is even harder. )

　20世纪70年代，美国新墨西哥大学计算机科学系主任Cleve Moler为了减轻学生编程的负担，用FORTRAN编写了最早的MATLAB。1984年由Little、Moler、Steve Bangert合作成立了的MathWorks公司正式把MATLAB推向市场。到20世纪90年代，MATLAB已成为国际控制界的标准计算软件。 (70 years of the 20th century, the United States Head of the Department of Computer Science, University of New Mexico Cleve Moler in order to reduce the burden of student programming, the earliest written with FORTRAN MATLAB. 1984 by Little, Moler, Steve Bangert cooperation established in the MathWorks MATLAB to market the company officially. 90 20th century, MATLAB has become the international control of industry standard calculation software.)

用matlab制作的简单的GUI形式的计算器，可进行加减乘除运算，供GUI初学者参考！(Calculator)

Transforms Theory and Applications 《转换定理和应用》。具体描述了H-function的性质和应用(Transforms Theory and Applications)

Nonlinear Homework Problem - Shahrood university- session 22