信号处理程序

2018年易语言程序获取QQ聊天记录、先取对话句柄再取聊天记录(In 2018, easy language program obtained QQ chat record, first took dialogue handle and then took chat record.)

一个求解车辆路径问题的粒子群算法的源码，用C++编写。(Solving a vehicle routing problem with the particle swarm algorithm source code, using C++ Prepared.)

完整代码，改路径即可实现，图像matlab灰度差分统计实现(Complete code, change the path can be achieved)

一段十分实用的VFP程序，可以实现VFP程序的错误处理(VFP Error)

中日韩点阵字库 Chinese Japanese Korea-China, Japan and South Korea lattice Font Chinese Japanese Korea

关于电力系统无功优化方面的论文，该论文使用改进的进化算法并结合动态的突变标准。-With regard to reactive power optimization papers, the papers use the improved evolutionary algorithm combined with dynamic mutation standard.

原子力显微镜软件，直接保存在c磁盘才可用，厚度计算,根据图片格式一键拉出粒径的厚度。(Atomic force microscope software, directly stored in the C disk can be available, thickness calculation, according to a picture format to pull out the thickness of the size of the particle.)

共轭梯度法（Conjugate Gradient）是介于最速下降法与牛顿法之间的一个方法，它仅需利用一阶导数信息，但克服了最速下降法收敛慢的缺点，又避免了牛顿法需要存储和计算Hesse矩阵并求逆的缺点，共轭梯度法不仅是解决大型线性方程组最有用的方法之一，也是解大型非线性最优化最有效的算法之一。 在各种优化算法中，共轭梯度法是非常重要的一种。其优点是所需存储量小，具有步收敛性，稳定性高，而且不需要任何外来参数。(The Conjugate Gradient method is a method between the steepest descent method and the Newton method. It only needs to use the first derivative information, but overcomes the shortcoming of the steepest descent method and avoids the need for the Newton method to store. And the disadvantage of calculating the Hesse matrix and inverting, the conjugate gradient method is not only one of the most useful methods for solving large linear equations, but also one of the most effective algorithms for solving large-scale nonlinear optimization. Among various optimization algorithms, the conjugate gradient method is a very important one. The advantage is that the required amount of storage is small, step convergence, high stability, and no external parameters are required.)

VB写的Email服务端程序，邮件服务器程序，设置好邮件服务器名称、地址、收信人地址、信件主题、附加文件、信件正文等信息，就可在Windows系统中建立一个简易的email邮件服务器了。

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