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二维码PDF417的国标，是很好的学习标准。(PDF417 two-dimensional code of GB, is a good learning standards.)

基于MATLAB开发环境下的短时傅立叶变换的工具箱(MATLAB development environment based on short-time Fourier transform Toolbox)

matlab在计算科学，自然科学，社会科学等多方面都有很多应用，本文以matlab为工具，主要研究它在处理语音信号方面的应用。(matlab in computational science, natural science, social science and other aspects have many applications, this paper matlab as a tool in dealing with the major study of its application of voice signals.)

自编SOFDTD计算等离子体平板反射透射系数matlab程序(Self SOFDTD plasma flat reflection and transmission coefficient calculation matlab program)

apf仿真模型 谐波检测 抑制 低通滤波器(the apf simulation model of harmonic detection suppress low-pass filter)

This Algorithm comutes demagnetizig tensor from Newell Paper[1] between two rectangular shape elements.Main function is and there is equivallent function written in c-language, you can use it to compile mex file.This script can be used in field of micromagnetics and finite difference magnetic simulation software. 1. A.J. Newell, W. Williams, D.J. Dunlop, J. Geophys. Res. 98, 9551 (1993).

MATLAB的SIMULINK子库是一个建模、分析各种物理和数学系统的软件，它用框图表示系统的各个环节，用带方向的连线表示各环节的输入输出关系。(MATLAB SIMULINK sub library is a modeling and analyzing all kinds of physical and mathematical system software, it uses the block diagram representation of all aspects of the system, with the direction of the line indicating the relationship between input and output of each link.)

MATLAB和VC接口编程的详细介绍，介绍了简单常见的方法。(MATLAB and VC programming interfaces in detail introduce a simple common approach.)

VSC-HVDC完整例程。高压直流输电模型，直接可用(VSC-HVDC complete routines. HVDC model, directly available)

transmitter receiver for CDMA