用vb实现快速傅立叶变换，运行速度达到最优化，可以c代码媲美，因此可以实现实时傅立叶变换。实现模块化，直接作为一个模块调用即可，非常方便！-with vb fast Fourier transform, speed of operation to achieve the most optimized code can be comparable to c, it can achieve real-time Fourier transform. To achieve modular, as a d

本模拟工程主要为罗克韦尔PLC与组态王以OPC通讯方式进行数据链接与运行模拟三相异步电动机星三角降压启动过程动作，同时使用VB监控模拟系统的运行过程的实时数据监控。-The simulation works mainly for Rockwell PLC and Kingview OPC communication data link and run the startup process simulation of three-phase asynchronous motor star del

用VB实现啤酒发酵罐的温度控制。包括VB与PLC通信，温度控制算法实现，实习数据库简历，实时温度跟踪曲线的绘制-Using VB to realize the temperature control of the beer fermentation tank.Including VB and PLC communication, temperature control algorithm, the internship resume , real-time temperature trackin