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摘 要 电机转速是电机的一个极为重要的状态参数 文中介绍了几种基本的电机转速测量 方法 并对这些测量方法进行了比较 给出了基于加速度计进行电机转速测量的硬件电路设 计方法和测试系统的工作原理(Summary of the motor speed is an extremely important motor state parameters paper describes several basic motor speed measurement methods and these measurements were compared based on accelerometer gives the motor speed measurement hardware circuit design and test systems Works)

说明：  学分计算以及录入程序。输入excel的成绩和分数可以输出excel学分(Credit calculation and entry procedures. Enter scores and scores can excel excel export credits)

俄罗斯方c语言代码加详解,非常好的俄罗斯方块代码(Russian side c language code plus detailed, very good Tetris code)

基于傅立叶变换FFT的大规模海面的实现方法(Realization of Large-scale Sea Surface Based on Fourier Transform FFT)

the guide of OpenGL programming in VC++.

Real clock proteus.Real clock proteus.Real clock proteus.Real clock proteus.Real clock proteus.Real clock proteus.Real clock proteus.Real clock proteus.

四路抢答器。首先通过主持人按下抢答按键代表抢答开始， 其他四人进行按键抢答，一个抢到后，其他人不可以进行操作。(Four way responder.First of all, through the moderator press answer button, on behalf of answer start, Other four people to answer the key, after a grab, other people can not operate.)

Test console Application and source code that demostrate how capture audio files to stream, developed in c#.

说明：  io例程希望有帮助io例程希望有帮助io例程希望有帮助(io routines want to help io routines want to help io routines want to help)

BUCK电路的双闭环控制matlab仿真，直接能用，参数都设置好了，效果很好。(BUCK circuit double-loop control matlab simulation, can be used directly, parameters are set up, the effect is very good.)