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INFORMATION 812

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  • 光纤_dB_衰减和测量介绍

    This document is a quick reference to some of the formulas and important information related to optical technologies. It focuses on decibels (dB), decibels per milliwatt (dBm), attenuation and measurements, and provides an introduction to optical fibers.

    /dl/36473.html

    标签: dB 光纤 衰减 测量

    上传时间: 2013-10-17

    上传用户:libenshu01

  • 快速跳频通信系统同步技术研究

    同步技术是跳频通信系统的关键技术之一,尤其是在快速跳频通信系统中,常规跳频通信通过同步字头携带相关码的方法来实现同步,但对于快跳频来说,由于是一跳或者多跳传输一个调制符号,难以携带相关码。对此引入双跳频图案方法,提出了一种适用于快速跳频通信系统的同步方案。采用短码携带同步信息,克服了快速跳频难以携带 ...

    /dl/36495.html

    标签: 快速跳频 同步技术 通信系统

    上传时间: 2013-11-23

    上传用户:mpquest

  • CF卡技术资料

    The information in this specification is subject to change without notice.Use of this specification for product design requires an executed license agreement from the CompactFlashAssociation.The CompactFlash Association shall not be liable for technical or editorial errors or omissions contained her ...

    /dl/36525.html

    标签: 技术资料

    上传时间: 2013-10-08

    上传用户:stewart·

  • 数字集成电路分析与设计_英文版

    This book contains information obtained from authentic and highly regarded sources. Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed. Reasonable efforts have been made to publish reliable data and information, but the author and the p ...

    /dl/36830.html

    标签: 数字集成 电路分析 英文

    上传时间: 2014-12-31

    上传用户:PresidentHuang

  • 飞思卡尔智能车的舵机测试程序

    飞思卡尔智能车的舵机测试程序 #include <hidef.h>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /* common defines and macros */#include <MC9S12XS128.h>&nbsp;&nbsp;&nbsp;&nbsp; /* derivative information */#pragma LINK_INFO DERIVATIVE "mc9s12xs128" void SetBusCLK_16M(void)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp ...

    /dl/37340.html

    标签: 飞思卡尔智能车 舵机 测试程序

    上传时间: 2013-11-04

    上传用户:狗日的日子

  • ibis模型理解说明

    IBIS 模型在做类似板级SI 仿真得到广泛应用。在做仿真的初级阶段,经常对于ibis 模型的描述有些疑问,只知道把模型拿来转换为软件所支持的格式或者直接使用,而对于IBIS 模型里面的数据描述什么都不算很明白,因此下面的一些描述是整理出来的一点对于ibis 的基本理解。在此引用很多presention来描述ibis 内容(有的照抄过来 ...

    /dl/37364.html

    标签: ibis 模型

    上传时间: 2013-10-16

    上传用户:zhouli

  • Employing a Single-Chip Transceiver in Femtocell Base-Station Applications

    Abstract: This application note discusses the development and deployment of 3G cellular femtocell base stations. The technicalchallenges for last-mile residential connectivity and adding system capacity in dense urban environments are discussed, with 3Gfemtocell base stations as a cost-effective s ...

    /dl/39952.html

    标签: Base-Station Applications Single-Chip Transceiver

    上传时间: 2013-11-05

    上传用户:超凡大师

  • XAPP503-针对Xilinx器件的SVF和XSVF文件格式

    This application note provides users with a general understanding of the SVF and XSVF fileformats as they apply to Xilinx devices. Some familiarity with IEEE STD 1149.1 (JTAG) isassumed. For information on using Serial Vector Format (SVF) and Xilinx Serial Vector Format(XSVF) files in embedded pro ...

    /dl/40051.html

    标签: Xilinx XAPP XSVF 503

    上传时间: 2015-01-02

    上传用户:时代将军

  • XAPP452-Spartan-3高级配置架构

    This application note provides a detailed description of the Spartan&trade;-3 configurationarchitecture. It explains the composition of the bitstream file and how this bitstream isinterpreted by the configuration logic to program the part. Additionally, a methodology ispresented that will guide th ...

    /dl/40052.html

    标签: Spartan XAPP 452 架构

    上传时间: 2013-11-16

    上传用户:qingdou

  • XAPP122 - Spartan-XL FPGA的Express配置

    Express Mode uses an 8-bit wide bus path for fast configuration of Xilinx FPGAs. Thisapplication note provides information on how to perform Express configuration specifically forthe Spartan&trade;-XL family. The Express mode signals and their associated timing are defined.The steps of Express con ...

    /dl/40057.html

    标签: Spartan-XL Express XAPP FPGA

    上传时间: 2015-01-02

    上传用户:nanxia