propagation-constant

these are codes for thermodynamics.

说明：  oqpsk信号，滚降系数分别为0.4，0.7，1.0.信噪比为20bB(OQPSK signal, roll-off coefficients were 0.4,0.7,1.0. 20bB SNR)

Stephen J.Chapman《MATLAB 编程（第二版）》英文影印版的中文译本(Stephen J. Chapman " MATLAB Programming (Second Edition)" copy version of the Chinese translation of the English)

ast Algorithm estimating the number of sinusoids in a white Gaussian noise. This algorithm use a sub-space method based on chi-square statistics of eigen values of the Autocorrelation Matrix.

Resolucion de la guia 2 de contabilidad

计算共振峰MATLAB代码,gong yu yinxin hao chu li de chu xue zhe shi yong(the formant calculate code)

一个实用的郭涛算法的Matlab程序代码，带有实例(Guo Tao, a practical algorithm of Matlab code, with examples)

通信的数字化是它能与计算机技术和数字信号处理技术相结合的基础，而实现通信数字化的前提是信源能提供的各种用于传递的消息，例如语音、图像、数据、文字等都必须以数字化形式表示。而信源编码是数字通信系统中的重要组成部分，他是保证信号有效传输的一种重要方式。霍夫曼编码依据字符出现的概率来构造异字头的平均长度最短的码字，有时称之为最佳编码，其优越的性能被广泛使用在数字通信系统中。霍夫曼编码已经成为数据压缩的灵魂算法。本文介绍了无失真编码算法的构造，霍夫曼编码的规则和特点，同时分析了对信源进行优化的方法，最后通过MATLAB仿真来讨论比较二元霍夫曼编码、三元霍夫曼编码以及信源扩展编码的效率，来实现霍夫曼码的优化构造。(The digital communication is it can and computer technology and digital signal processing technology in combination of the base, and realize the digital communication is the premise of source can provide all kinds of used to deliver news, such as voice, video and data and text must take the digital form said. And the source coding digital communication system is the important component, he is to ensure the effective transmission signal is an important way. Huffman coding based on the probability of characters appear to construct different "the average length of the shortest code words, sometimes called the best coding, superior performance is widely used in digital communication system. Huffman coding has become the soul of data compression algorithm. This paper introduces the structure of the encoding algorithm without distortion, Huffman coding rules and characteristics, and analysis of the source of the optimization method, and finally by MATLAB simulation to discuss compares two yu)

该程序是关于扩频通信在不同调制方式下的抗噪声性能比较(compare in Qpsk and 16 QAM in DSSS)

cardoso 的ICA编码，可以用在人脸识别上面(Cardoso ICA coding, can be used in the above Face Recognition)