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列主元消去法解方程组编程 -Out PCA solution of equations elimination Programming

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用于测试串口的小程序..用在上位机上-Serial port for testing a small program ..

我的项目是用opencv来识别运动检测，在这个项目中，我们使用opencv标准函数来记录图像的运动历史，并计算图像的梯度，我在运动发生的地方画一个圆并显示方向

本文首先概述了OFDM 的原理、特征和关键技术，介绍了系统需要的几种同步。然后就同步误差对系统性能的影响进行了简单的分析，表明定时偏差和采样频率偏差将会引入码间干扰，载波频率偏差导致载波间干扰的发生。因此，在OFDM系统接收机中定时的确定、载波频率偏差和采样频率偏差的纠正是信号恢复的关键。之后对OFDM系统同步的几种实现方法进行了介绍，分析了各同步方法的性能。-The paper first outlines the principles of OFDM, features and key technologies, the system needs to introduce several synchronization. Synchronization error and then the impact on system performance for a simple analysis, show that the timing deviation and the sampling frequency deviation will introduce inter-symbol interference, the carrier frequency deviation led to the occurrence of ICI. Therefore, in OFDM system receiver to determine the timing, carrier frequency offset and sampling frequency offset correction signal to restore the key. After the OFDM system to achieve synchronization of several methods of introduction, an analysis of the performance of the synchronization method.

资源描述CleanFlight是在BaseFlight的基础上改造、优化、提升而成的32位飞控软件

Fingerprint Image Enhancement and Minutiae Extraction

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DisSharp.zip 修改dll文件

Windows网络编程(完成端口及网络编程)详细介绍(转载一)-Windows network programming (the completion of port and network programming) a detailed introduction (1 reprint)