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You all might have used CTime or CTimeSpan to manipulate the system timer. Here is an article to show you how your system timer works. I will give you an idea of port communications behind the system clock manipulations. Those who are a little biased on hardware and software interfacing practices would find this article of great help.

基于GM 模型和Hilbert 空间填充曲线的图象压缩方法(Image Compression Method Based on GM and the Hilbert space filling curve)

海明码发送与接收程序 测试信道的可靠性 可单独设立监听端口(Hamming code to send and receive testing the reliability of channel can be set up to monitor a separate port)

matlab hann hamming window FFT DFT DTFT

实例10：阶梯图 实例11：枝干图 实例12：罗盘图 实例13：轮廓图 实例14：交互式图形 实例15：变换的傅立叶函数曲线(Example 10: Ladder Diagram Example 11: Example branches Figure 12: Compass Chart Example 13: The contour map instance 14: 15 Interactive graphic example: the Fourier transform function curve)

介绍有关H.248的内容 相当有用 价值比较高(H。248)

该接口主要描述了关于应用层与90820之间的收发数据控制(description of the main interface for the application layer and between the TX 90820 Data Control)

卫星测定轨教材《卫星轨道原理，模型和方法》的，随书光盘(Satellite orbit theory, model and method,CD ROM)

室内环境射线跟踪算法研究，室内反射点追踪的计算(Indoor environmental ray tracing algorithm to calculate the reflection point indoor track)

平差辅助函数，用于平差过程中需要使用的函数模型(Adjustment helper function for function model adjustment process requires the use of)