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把地心惯性坐标系中的坐标转换为经度纬度和高度(convert Geocentric inertial coordinate system to longitude latitude and altitude)

画出矩形脉冲波形，并对其进行调制，载波为正弦信号，并画出任意延时后的波形(Draw the rectangular pulse waveform, and its modulation, Carrier is a sinusoidal signal, and to draw an arbitrary delay the waveform after)

基于彩色局部二值模式的纹理分类研究，采用LCVBP原理，创新实用(Color texture classification based on local binary pattern studies, using LCVBP prinicple, innovation and practical)

说明：  有限差分法求解一维扩散方程。使用Crank-Nicolson格式求解PDE方程，并与真实解析解u(t,x)=e^(x+0.1t)比较。 一维扩散方程的有限差分法，采用隐式六点差分格式。(Finite difference method for solving one dimensional diffusion equation)

一个实例搞定MATLAB界面编程，作者彭军(The author is pengjun,One instance to solve the MATLAB interface programming)

wav file to vector converter

共轭梯度法在数值分析中应用非常广泛，比最速下降法要快，这里是FR共轭梯度法，及简单的例子。(Conjugate gradient method in numerical analysis is widely used, and faster than the steepest descent method , this is FR conjugate gradient method, and some simple examples.)

用MATLAB实现SAPSO、SecPSO、SecVibratPSO算法，程序没错误，可以直接运行，非常适合刚学PSO者(Implementation of SAPSO, SecPSO, SecVibratPSO algorithm with MATLAB, the program no error, can be directly run, very suitable for just learning PSO )

根据伊忠科、杨绍国（电子科技大学）发表的论文"分形插值图象放大和压缩编码"编程实现。(Branch, Shao- Guo Yang (University of Electronic Science and Technology) by the paper, "Fractal Image interpolation and compression coding Large" program.)

说明：  噪声中正弦信号的现代法谱分析，采用了直接法、间接法、Bartlett法和Welch法，分别分析了不同窗长度、不同窗函数和不同信噪比对谱估计的影响。(Modern normal spectrum analysis of sinusoidal signal in noise adopts direct method, indirect method, Bartlett method and Welch method. The effects of different window lengths, different window functions and different signal-to-noise ratios on spectrum estimation are analyzed respectively.)