soundFFT

3d or more dct implemntation

说明：  张智星编著的MATLAB程式设计与应用一书电子版。详述了Matlab的命令及技巧，针对出现的问题进行了说明和逐一演示。(Edited by Zhang Zhi stars of the MATLAB program design and application of the electronic version of a book. Matlab order details and techniques, in view of the problems described, and each presentation.)

use that for adjustament in matriz for espectrus

基于遗传算法的TSP优化问题，用MATLAB编写而成，运行无误(TSP based on genetic algorithm optimization problem, with written in MATLAB and run correctly)

this code is a generalized form of newton raphson method for finding the power flow in an interconnected system. it is by default designed for 3 bus system bus system it can also be changed for other type of system.

时变参数向量自回归模型的估计代码以及模型应用方法(Estimation code and application of Time-Varying parameter vector autoregressive model)

这是一本关于MATLAB6.5的英文使用手册,追求原汁原味的可以下下来看看,对专业英语学习有好处!(This is an on MATLAB6.5 user manual in English, the pursuit of authentic can look down under the professional learning of English is good!)

说明：  add noise to a signal

《MATLAB 7.X程序设》（中国水利出版社）一书的ppt教案。对初学matlab语言的同学会有所帮助。内容包括：matlab概述、matlab运算基础、matlab程序设计、数值计算、符号计算、matlab绘图、Simulink仿真环境、Notebook(" MATLAB 7.X established procedures" (China Water Conservancy Press) First book of lesson plans ppt. Matlab for beginner language students will be helpful. Include: matlab outlined, matlab basic computing, matlab programming, numerical computing, symbolic computation, matlab graphics, Simulink simulation environment, Notebook)

turbo码的编解码程序，采用max-log-map算法，简单易用。程序采用QPSK调制，信道为AWGN(turbo code decoding process, using max-log-map algorithm, easy to use. Program uses QPSK modulation, AWGN channel is)