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Introduction to BeiDou navigation satellite system

本篇文章叙述了锁相环原理，是学习锁相技术不可多得一篇好文章(This article describes the principle of phase-locked loop, phase-locking technology is invaluable to learn a good article)

AMTI和GMTI雷达的空时自适应处理 林肯实验室关于STAP的演讲ppt,关于机载空时自适应处理方面的珍贵资料(《Space-Time Adaptive Processing for AMTI and GMTI Radar》 by Lincoln Laboratory. It is valuable article for airborne radar in STAP)

手机的防静电设计，普通芯片的内部防静电只有2000V，如果得到更高的防静电效果，8000V，15000Ｖ等。(Cell phone anti-static design, the general chip' s internal anti-static only 2000V, if the effect of higher anti-static, 8000V, 15000V, etc..)

国家标准GBT21436-2008,为车载雷达的测试、试验，研发人员提供依据及参考。(National standard GBT21436-2008, for the vehicle radar testing, testing, R & D personnel to provide basis and reference.)

Git中文版介绍，新手必备，老手参考。 目前所知的最好的中文Git介绍。(Git Chinese version of introduction, novice, veteran reference. Currently the best known Chinese Git introduction.)

通过本书，读者不仅能掌握使用R及相关算法包来快速解决实际问题的方法，而且能从实际问题分析入手，到利用R进行求解，以及对挖掘结果进行分析的全面训练(Through this book, readers can not only master the method of using R and relevant algorithm packages to quickly solve practical problems, but also start from the analysis of practical problems to the comprehensive training of using R to solve problems and analyzing mining results)

说明：  直流电动机驱动控制集成电路L293D简介，希望对大家有帮助(DC motor driver IC L293D control profiles, we hope to help)

对于学习信息论的各位朋友们帮助很大，精炼易懂(It is very helpful for those who study information theory,it is Refining and easy to understand. )

基于加窗插值FFT算法的智能电站谐波检测(Abstract : The paper introduces the harmonics analysis of intelligent power station and researched the mathematic model of the harmonic analysis of intelligent power station based on interpolating windowed FFT algorithm. It also shows the FFT algorithm in pointing DSP. The simulated data in MATLAB has been compared with the result which verified the accuracy and speed of the algorithm)