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Labview与数据库Access及SQL Server的连接 基于ActiveX(Labview database connectivity Access and SQL Server ActiveX-based)

在Windows的托盘上添加一个光驱按钮(In the Windows tray button to add a CD-ROM)

说明：  c#example to access step7 wincc to export the varient

说明：  VB精彩编程200例,对程序开发及程序初学者有很大借鉴作用(VB 200 samples)

注册码生成器(license generator)

本文以三相正弦波驱动的永磁同步电机(PMSM)为研究对象，在深入分析其内在电磁约束关系的基础上，给出了不同坐标系下的运动方程，根据其数学模型，确定了电动车用电机在旋转坐标系下的矢量控制方案。控制系统为电流环和速度环的双闭环系统(In this paper, three-phase sine-wave-driven permanent magnet synchronous motor (PMSM) for the study, in-depth analysis of its intrinsic relationship between electromagnetic bound on the basis of the different coordinate system is given under the equation of motion, in accordance with its mathematical model to determine the electrical motor vehicle in the rotating coordinate system of vector control programs. Control system for the current loop and speed loop dual closed-loop system)

虚拟系统的介绍及实例。具有很好的参考价值，可以借鉴(Virtual systems and examples of introduction. Have a good reference value, can learn from)

Anti-Islanding Protection of DG

VB编写的网管呼叫系统，含服务器端和客户端。。(VB, network call system, including server and client. .)

BPSK调制及解调的仿真程序,包括成形和上变频，较完整(BPSK modulation and demodulation simulation program, including forming and upconversion ,it is complete)