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对一个含有多次谐波的信号作FFT变换，利用相关分析法提取它的工频信号。(For a signal containing multiple harmonics for FFT transform using correlation analysis to extract its frequency signal.)

复件 封装ADO之MFC应用，对于数据库操作非常有帮助(copy Packaging ADO's MFC application, database operation has been very helpful)

采用 c++编写的互补误差函数erfc，直接调用即可计算互补误差函数值(C++ prepared using the complementary error function erfc, direct calls to the complementary error function value is calculated)

说明：  VC++ 通过ODBC读写Excel文件 资源类别： VC源码￤数据库 (VC++ to read and write Excel files via ODBC resource categories: VC database source &brvbar )

合众达的DM643开发板的SDRAM程序，DSP型号为DM643，能直接下载程序到DSP上运行(Triangle up to the DM643 development board SDRAM Program DSP model DM643, can directly download the program to run on the DSP)

进行电力网络的潮流计算 可以此进行无功优化等问题(electrical calculation)

Binary Space Partioning Trees and Polygon Removal in Real Time 3D Rendering(Binary Space Partioning Trees and PolygonRemoval in Real Time 3D Rendering)

光立方的一个用于显示动画和音乐频谱的源码，实现的动画种类很多，详见源码内的注释。(A light cube is used to display the spectrum of the source animation and music, many implementations of animation types, detailed source notes inside.)

socket头文件，VC++6.0头文件库中不存在，下载后即可方便使用。(socket header files, VC++6.0 library header file does not exist, you can download easy to use.)

1.局域网内设备IP搜索 2.发送广播包出去，同时启动侦听接收 3.支持局域网内跨网断搜索(1.IP search in local network 2.send broadcast packet, and receive request 3.support different gateway.)