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GMSK调制，无噪声，给出了高斯滤波器，IQ两路幅度与相位的波形等(GMSK modulation, noise, gives a Gaussian filter, IQ amplitude and phase of the two waveforms)

对轨道不平顺的分布采用对数正态分布进行分布拟合(On the distribution of track irregularity conducted using lognormal distribution fitting)

扩展卡尔曼滤波程序，C语言仿真。包括卡尔曼滤波简介及其算法实现代码。(EKF simulation)

ZF-MMSE预均衡，代码真实有效，可使用。。。。。。(ZF-MMSE pre-equalization, code is valid, can be used. . . . . .)

This code solve a truss with fem method

FDM in for 3D Laplace problem

本文根据异步电动机矢量控制的基本原理，基于Matlab 软件构造了按转子磁场定向的矢量控制系统的仿真模型。(According to the basic principle of vector control of asynchronous motor, the simulation model of vector control system oriented by rotor field is constructed based on the software of matlab.)

说明：  采用小波对信号分解和去噪。分解层数和使用的小波可以自己定义然后阈值去噪(Wavelet is used to decompose and denoise signals. The decomposition level and the use of wavelet can be defined by itself and then threshold denoising)

圆型限制性三体问题中三维Halo轨道三阶近似解的计算，适用于学术研究。(The calculation of Halo orbits in the circular restricted three-body problem.)

汽车防抱死系统ABS，可以有效地防止车轮被抱死，减小制动距离(Automotive anti-lock system ABS)