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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.)

一个使用DAO的例子(An example of the use of DAO)

菜单栏与工具栏相结合，一些简单的vc功能、(something sbout vc++)

绘制不规则图形 如 圆和弧线的绘制 利用GDI函数(Draw irregular shapes such as circles and arcs drawn using GDI functions)

使用VC平台和SQL server实现一二一个基本的gis程序，使用对象编程思想，实现了一个小型gis系统。能操作图像数据，实现放大缩小复位功能(VC platform and SQL server to use to achieve 121 basic gis programs that use object programming ideas to achieve a small gis system. Can operate the image data to achieve zoom reset)

Windows Socket Server

一个简单的xp和2k3系统下加载驱动和卸载驱动的源码(Under a simple xp and 2k3 system load and unload the driver source drive)

VFP的相关代码demo，很好的东西,VFP的相关代码demo，很好的东西(very good demo code,very good demo code)

SCTP实验，实现客户端和服务器端传输数据(SCTP experiment, to achieve the client and server side data transfer)

日本ricoh相机demo，包含include文件件和lib文件夹。( Japan ricoh camera demo, containing pieces include files and lib folders.)