Python 获取沪深300日行情数据并存入Excel文件

说明：  光栅（产生完美涡旋光束，具有与拓扑荷数无关的半径大小）(Grating (producing perfect vortex beam with radius independent of topological charge))

说明：  ds1302时钟c语言驱动源码，适用于51单片机开发板。(DS1302 clock C language driver source code, suitable for 51 single chip development board.)

研究生时的现代信号处理的作业，针对EMD方法的不足,采用了小波去噪的思想。( Modern signal processing jobs when the graduate, For lack of EMD, Using wavelet denoising thought.)

说明：  可用于捷联惯导结算的程序，代入数据就可以运行，有助于对惯导原理的理解(The program that can be used for Strapdown Inertial Navigation settlement can be operated by substituting data, which is helpful to understand the principle of inertial navigation.)

利用ansys进行球壳的建模，可以用来模拟液体储罐的大型工业结构的分析计算(Ansys modeled using a spherical shell, can be used to simulate large-scale industrial structure analysis and calculation of liquid storage tanks.)

搭建了一个弹簧质量块阻尼系统模型，用于验证在阻尼作用下，弹簧的振动过程(A spring mass damping system model was built to verify the vibration process of the spring under damping.)

EasyJMBoard留言本，基于JSP+MSSQL构建，开源免费、简洁实用，不过现在好像不更新了，如果你稍微对JSP有所了解，你可以轻松的将留言板升级，并更换为不同的数据库，默认采用MSSQL。

the code for wsn and leach and sep

Abaqus子程序Vumat初学者好用的小例子，PDF文件，内有代码和例子详解(Abaqus small example subroutine Vumat easy to use for beginners, PDF files, there are examples of code and Explanation)

解决多目标的旅行商问题，可得出非劣解和前沿图(To solve the multi-objective traveling salesman problem, we can obtain the non inferiority solution and the frontier graph)