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说明：  plc电梯编程模拟，适用于博途15,1200plc编程(PLC elevator programming simulation)

Euler公式与改进Euler比较。-Euler formula and improve Euler comparison.

三维有限元计算程序 可计算弹性波场传播过程中三维空间中的形态 fortran90(3 dimension FEM)

软件锁相环的函数想实现，用MATLAB写的，跟踪相位成功，互相学习使用，在电网电压上应用(Software phase-locked loop function to achieve, written in MATLAB, tracking phase is successful, learn from each other, used in the grid voltage)

基于stm32开发板的简单应用，触摸屏模块的基本应用及初始化。(Touch screen is based on the simple application of 32 development board, the basic application and initialization of touch screen module.)

说明：  基于matlab的自动泊车仿真，已亲自测试过可以运行，和官网例程相近(Matlab-based automatic parking simulation has been personally tested and can run, similar to the official website routine)

防碰撞程序，基于二进制树的防碰撞MATLAB(ADFA Protocol for RFID Tag Collision Arbitrition)

介绍了电力电子书籍基本仿真模型，包括模型各个参数设计。(The basic simulation model of power electronic books is introduced, including the design of various parameters of the model.)

costas matlab实现、costas环载波同步(Costas matlab realizes BPSK costas ring carrier synchronization)

微信小程序全套源代码（后台、小程序php） 基于微信开发小程序 很有学习价值(WeChat small program full set of source code (backstage, small program PHP) based on WeChat development small programs is very valuable to learn)