mm

说明：  IEC 60870-5-101 通信规约英文版规范(IEC 60870-5-101-2003 Telecontrol equipment and systems Part 5-101 Transmission protocols)

针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK)，对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析，提出了一种联合特征参数的信号调制识别方法．(Aiming at seven communication signal modulation modes commonly used in digital satellite (QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 16APSK and 32APSK), four characteristic parameters of zero-center normalized instantaneous amplitude spectral density, quadratic spectrum, amplitude and high-order cumulant are analyzed, and a signal modulation recognition method of joint characteristic parameters is proposed. Method.)

收集了华为五轮面试的经验，还有中兴通信的面试宝典，非常不错的资料 (Huawei five interviews to collect experience, and ZTE interview book, very good information)

说明：  主要介绍了8255接口的基础知识及其实例的应用，并借助几个小例子，介绍如何设计和使用8255(It mainly describes 8255 which is a paralel port)

希捷指令集，里边详细的介绍了希捷12代的指令等。(Seagate instruction set inside a detailed introduction of 12 generations of Seagate directives.)

this folder contains VIs related to USRP.

fpga时钟，是入门的基础；希望对大家有帮助！(fpga clock, is the entry of the base want to help you!)

Photovoltaic systems, solar thermal systems based on knowledge training(PVSystem)

14所编写的精密跟踪雷达图书，内容包括概论，雷达跟踪测量基础，单脉冲技术，跟踪雷达测量精度分析，跟踪雷达测量天线技术，接收机技术，距离跟踪技术，角跟踪伺服系统，多普勒测速技术等(The book of precision tracking radar written by 14 institute)

包含twincat2串行通讯等必要的库文件,(Beckhoff PLC communication program in the no- protocol on the platform of TwinCAT)