P-Q-flow-calculation

本文论述了图像压缩技术的发展和标准, 介绍了几种常用经典图像压缩方法和现代压缩的算法及应用情况, 有 机的结合现有的研究方法才能解决图像压缩的众多问题。(This article discusses the development of image compression technology and standards, the authors introduced some classic and modern compression image compression algorithm and application of organic methods combined with the existing image compression can be resolved many issues.)

A Matlab program to invert 1D Spectral Induced Polarization data for the Cole-Cole model including electromagnetic effects

粒子群优化是一种新兴的基于群体智能的启发式全局搜索算法，粒子群优化算法通过粒子间的竞争和协作以实现在复杂搜索空间中寻找全局最优点。(Particle swarm optimization is a new global search heuristic algorithm based on swarm intelligence, particle swarm optimization algorithm by particle competition and collaboration to achieve to find the global optimum in a complex search space.)

超短激光脉冲传输：展宽、色散、自自相位调制、倍频、FROG，超短脉冲测量(Ultrashort laser pulse transmission: broadening, dispersion, since the self-phase modulation, frequency, FROG, ultra-short pulse measurement)

说明：  这个程序是基于matlab解决运用数值分析中高斯法的方法实现方程的求解过程。(This program is based on the use of numerical analysis in matlab to solve the Gauss law equation method of solution process.)

SPIHT algorithm development in matlab.

在电机调速应用中设计的三相电流滞环比较法(Motor speed control applications in the design of the current hysteresis in comparison )

机械出版社出版的《数值分析与应用》的源程序，有最优化和数值分析算法的各种程序，对于搞研究有用(Machine Press book "Numerical Analysis and Applications" to the source, there are optimization and numerical analysis algorithms of the various procedures for the study useful to engage in)

Welch功率谱密度是用改进的平均周期图法来求取随机信号的功率谱密度估计值。Welch法采用信号重叠分段、加窗函数和FFT算法等计算一个信号序列的自功率谱估计(PSD如上例中的下半部分的求法)和两个信号序列的互功率谱估计（CSD）。MATLAB信号处理工具箱函数提供了专门的函数PSD和CSD自动实现Welch法估计，而不需要自己编程。(method of power spectral density plot )

用matlab的编程实现一首歌曲的播放。歌曲是用代码编辑的，运行后就能实现播放。(Realization of a song to play using matlab programming. The song is in code editor, can be achieved after playing running.)