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说明：  快速傅里叶变换，是快速计算序列的离散傅里叶变换（DFT）或其逆变换的方法。傅里叶分析将信号从原始域（通常是时间或空间）转换到频域的表示或者逆过来转换。FFT会通过把DFT矩阵分解为稀疏（大多为零）因子之积来快速计算此类变换。(Fast Fourier transform (FFT) is a fast method to calculate the discrete Fourier transform (DFT) of a sequence or its inverse transform. Fourier analysis transforms a signal from its original domain (usually time or space) to its representation in the frequency domain or vice versa. FFT can calculate these transformations quickly by decomposing DFT matrix into product of sparse (mostly zero) factors.)

matlab编写的二级齿轮动力学求解程序，考虑了时变刚度。(Matlab program for solving the dynamics of secondary gears takes into account the time-varying stiffness.)

说明：  code matlab massive mimo noma

人脸识别的adaboost。包括load_images，imresize，Classify。-Face Recognition adaboost. Including load_images, imresize, Classify.

介绍如何使用系统自带的API函数访问与操作计算机硬件。(Describes how to use the system s own API function to access and operation of computer hardware.)

简单的扫雷游戏 本文从分析Windows扫雷游戏的功能特点开始,应用面向对象的可视化编程语言Visual C++给出了个功能模块的具体实现方法,并提供了编写小游戏程序的一般方法和Visual C++的一些使用技巧。 -simple game of mine is mine from the analysis of Windows features games, the application of object-oriented visual programming language Visual C is a functional module to the specific method, and provides procedures for the preparation of small game and the general method of Visual C skills to use.

焊接热源移动的实现，高斯热源模型的移动单元生死(The realization of welding heat source moves, the mobile unit of the Gaussian heat source model of life and death)

PSO(Particle Swarm Optimization 粒子群优化算法),是课程的一个小项目,实现了单机调度排序-PSO (Particle Swarm Optimization Particle Swarm Optimization), is a course in a small project, to achieve a single machine scheduling to sort

GEF中文教程书籍源码.这个是第6章的代码。(GEF Chinese tutorial source books and this is the code in Chapter 6.)

PID控制列车速度跟踪，使其实际速度曲线跟踪目标速度曲线(PID control of train speed tracking)