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optical 相关的电子技术资料,包括技术文档、应用笔记、电路设计、代码示例等,共 100 篇文章,持续更新中。

Generalized loop-back recovery in optical mesh networks

Generalized loop-back recovery in optical mesh networks

It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electrom

It was proposed that perfect invisibility cloaks can be constructed for hiding objects from electromagnetic illumination (Pendry et al., Science 312, p. 1780). The cylindrical cloaks experimentally

vc,optical passive component auto test software.

vc,optical passive component auto test software.

The Applications of Optical System by Wavelet Transformation Method

The Applications of Optical System by Wavelet Transformation Method

Carrier-phase synchronization can be approached in a general manner by estimating the multiplicativ

Carrier-phase synchronization can be approached in a general manner by estimating the multiplicative distortion (MD) to which a baseband received signal in an RF or coherent optical transmission sy

Unicode Optical Character Recognition

Unicode Optical Character Recognition

DN436微型全桥压电马达驱动器

<p> &nbsp;</p> <div> Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso requir

基于PIC单片机的光电感烟探测器设计

<P>介绍了点型光电感烟探测器的工作原理,阐述了PIC16F676单片机的特殊功能,同时给出了该功能在探测器设计中的应用方法,最后给出了基于PIC16F676单片机设计的探测器的硬件构成和软件程序。 </P> <P><IMG src="http://adm.elecfans.com/soft/UploadPic/2010-12/201012115445188295.jpg" border=0></

tcp ip协议详解 中文版PDF

<p> 很多不同的厂家生产各种型号的计算机,它们运行完全不同的操作系统,但TCP.IP协议族允许它们互相进行通信。这一点很让人感到吃惊,因为它的作用已远远超出了起初的设想。T C P / I P起源于6 0年代末美国政府资助的一个分组交换网络研究项目,到9 0年代已发展成为计算机之间最常应用的组网形式。它是一个真正的开放系统,因为协议族的定义及其多种实现可以不用花钱或花很少的钱就可以公开地得到。

EPON系统OAM模块的软件实现

EPON主要由三个部分构成,包括光线路终端(OLlj Optical Line Terminal)、光分配网络(ODN,Optical Distribution Network)和光网络单元(ONU,Optical Network Unit .<br /> <img alt="" src="http://dl.eeworm.com/ele/img/177094-120316154ZE32.jpg"

光纤激光器的电流源分析

<p> &nbsp;</p> <div> A large group of fiber optic lasers are powered by DCcurrent. Laser drive is supplied by a current source withmodulation added further along the signal path. Thecurrent source,

DN384 精确的电源排序,防止系统损坏

<p> &nbsp;</p> <div> Many complex systems&mdash;such as telecom equipment,memory modules, optical systems, networking equipment,servers and base stations&mdash;use FPGAs and otherdigital ICs that re

光纤与光接入网知识汇总

第一讲 光纤的分类<BR>  一, 光纤的分类<BR>  光纤是光导纤维(OF:Optical Fiber)的简称。但光通信系统中常常将 Opti<BR>cal Fibe(光纤)又简化为 Fiber,例如:光纤放大器(Fiber Amplifier)或光<BR>纤干线(Fiber Backbone)等等。有人忽略了Fiber虽有纤维的含义,但在光系统<BR>中却是指光纤而言的。因此,有些光产品的说

光电转换电路设计

<P>OPTOELECTRONICS CIRCUIT COLLECTION</P> <P>AVALANCHE PHOTODIODE BIAS SUPPLY 1<BR>Provides an output voltage of 0V to +80V for reverse biasing<BR>an avalanche photodiode to control its gain. This cir

A Single-Chip Pulsoximeter Des

This application report discusses the design of non-invasive optical plethysmography<BR>also called as pulsoximeter using the MSP430FG437 Microcontroller (MCU). The<BR>pulsoximeter consists of a perip

雪崩光电二极管的偏置电压和电流检测电路

<p> &nbsp;</p> <div> Avalanche photodiodes (APDs) are widely utilized in laserbased fiberoptic systems to convert optical data intoelectrical form. The APD is usually packaged with a signalcondition

应用于Fttx中的核心光模块技术

<P>FTTx network architecture<BR><BR>The core technology of optical chips in the FTTx transceivers<BR><BR>The core technology of optical transceiver in FTTx<BR><BR>The trend of Next-generation optical

光纤_dB_衰减和测量介绍

<p> 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 me

板级光互连协议研究与FPGA实现

随着集成电路频率的提高和多核时代的到来,传统的高速电互连技术面临着越来越严重的瓶颈问题,而高速下的光互连具有电互连无法比拟的优势,成为未来电互连的理想替代者,也成为科学研究的热点问题。目前,由OIF(Optical Intemetworking Forum,光网络论坛)论坛提出的甚短距离光互连协议,主要面向主干网,其延迟、功耗、兼容性等都不能满足板间、芯片间光互连的需要,因此,研究定制一种适用于板

LOBS边缘节点突发包组装和光板FPGA实现

近年来提出的光突发交换OBS(Optical.Burst Switching)技术,结合了光路交换(OCS)与光分组交换(OPS)的优点,有效支持高突发、高速率的多种业务,成为目前研究的热点和前沿。 本论文围绕国家“863”计划资助课题“光突发交换关键技术和试验系统”,主要涉及两个方面:LOBS边缘节点核心板和光板FPGA的实现方案,重点关注于边缘节点核心板突发包组装算法。 本文第一章首先介绍LO