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测试am335xgpio功能，gpio驱动(Test am335xgpio function, GPIO driver)

VB语音报数计算器源程序,有需要的就下载吧。(Talking Calculator VB source code, there is a need to download it.)

gsm原理 (gsm原理 )

说明：  STM32F401RE的教学课程，有助于不了解STM32CubeMux的学生了解和使用，内含多个实验教程(STM32F401RE teaching course.)

永远替换字符串中的字符，和word中的替换功能相同(Forever the replacement string of characters, and word replacement functionality in the same)

钟面上的时针和分针之间的夹角总是在 0 ～180之间 ( 包括 0 和180 ) 。举例来说，在十二点的时候两针之间的夹角为 0 ，而在六点的时候夹角为180 ，在三点的时候为90 。本题要解决的是计算 12:00 到 11:59 之间任意一个时间的夹角。(The angle between the hour and minute hands of the clock face is always between 0 to 180 (including 0 and 180). For example, twelve o' clock, when the angle between the two pin 0, in the six o' clock when the angle is 180, three points for 90. This question must be resolved are the angle of the calculation of 12:00 to 11:59 any one time.)

win32/MFC编程入门级项目，磁盘扇区查看器，由于磁盘数据如果展示到界面上来，数据量是非常大的，所以做了分页处理 这是是毕业之前做的，高手请自动忽略(Win32/MFC programming entry level project, disk sector viewer, because disk data is displayed to the interface, the amount of data is very large, so do paging processing this is done before graduation, high hands please automatically ignore.)

一个学习标准模版的好例子！大学时候老师给的！供大家参考！(a study standard template good example! University teachers to time! For your reference!)

捷联惯惯性导航的C程序实现，四元数表示姿态，静态下进行试验，MATLAB进行图像处理，包含原始数据。(Strapdown inertial navigation of the C programs used to achieve, said the attitude quaternion, static tests under, MATLAB for image processing, including raw data.)

經驗模態分解(Empirical mode decomposition)的C++ CODE(Empirical mode decomposition of C++ CODE)