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该文件为基于DSP的变压变频电源设计，大家可以参考一下(This document is based on DSP variable voltage and frequency power supply design, you can refer to it.)

automation control for learning

浪潮之巅，一本非常不错的书，介绍了信息技术的发展的一些代表企业的历程。(Wave of the summit, a very good book on the development of information technology course some representatives of enterprises.)

C语言语法，详细讲解了volatile_unsigned_ long的使用-C language syntax, explained in detail the use of volatile_unsigned_ long

在当今,流行的编程软件种类繁多，它们编程方便、易于维护，但是在与硬件直接打交道和编制系统软件时却束手无策，于是C语言就有了用武之地。C语言作为汇编语言与高级语言之间的一种过渡语言，兼有汇编语言的高效和高级语言的方便。 　　在通讯中，为了保证行运安全可靠，标准的串行口必须具有许多握手信号和状态信息。这是因为通讯的各个计算机CPU速度不一样（这会导致“错帧”）以及发送机发送数据速度比接收机接收速度快（这会导致“过冲”）。为解决这个问题，我们采用一个简单的握手信号，即发送机每次仅发送半个字节（低4位）的数据，而另外半个字节（高4位）则用来传送信息。我们可以对信息位（高4位）进行如下简单的编码：-today, the popularity of the wide variety of software programming, is easy to maintain, but to deal directly with the hardware and system software when compiled a loss, so there will be a C language battlefield. C language as the compilation and Advanced Language a transition between languages, both assembly language and the efficient high-level language convenience. In telecommunications, in order to ensure safe and reliable transport firms, the standard serial I must have shook hands with many signals and state information. This is because the various computer communications CPU speed is not the same (this would lead to "the wrong frame") and transmitter to send data faster than fa

利用STM32F103作为主控，陀螺仪作为惯性传感器，可导航小车在无GPS情况下走直线，误差照成由于没增加磁陀螺的原因无法校准航向角的累积误差，所以长时间运行会带来累积误差，如果有不需要磁陀螺就可以校准的方法欢迎大家给我留言提建议。(By using STM32F103 as main control, gyroscope as inertial sensors, navigation in the car without GPS. Straight line error according to cumulative error due to reasons not to increase the magnetic gyro calibration course angle, so long time operation will bring the cumulative error, if the method does not require calibration of the magnetic gyro can be welcome to give me message advice.)

实现通讯录的存储和呼叫功能，并且能实现按呼叫次数或者按姓名进行排序，在visual studio 2008中可直接运行(Address book and call to achieve the storage function, and can achieve the number of calls or by sorting by name, in visual studio 2008 can be run directly)

说明：  双通道语音增强算法，消除环境噪声。采用归一化自适应方法，噪声抵消10dB，语音保持较好可懂度。(Dual-channel speech enhancement algorithm, to eliminate environmental noise. The use of normalized adaptive methods, noise cancellation 10dB, to maintain good voice intelligibility.)

tcmsp爬虫，医学相关，python开发，带操作界面，使用tkinter开发(Tcmsp crawler, medical related, Python development, with GUI by Tkinter)

Facade design pattern implementation