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书籍 Transmission+Systems+Design+Handbooks

Public telephone operators and new independent wireless operators through- out the world are deploying wireless access in an effort to drastically reduce delivery costs in the most expensive part of the network?the local loop. Available radio technology enables both existing and new entrants to acce ...
https://www.eeworm.com/dl/522168.html
下载: 1
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书籍 Wavelength Division Multiplexing

Wavelength division multiplexing (WDM) refers to a multiplexing and transmission scheme in optical telecommunications fibers where different wavelengths, typically emitted by several lasers, are modulated independently (i.e., they carry independent information from the transmitters to the receivers) ...
https://www.eeworm.com/dl/522192.html
下载: 1
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书籍 Wi-Fi(TM), Bluetooth(TM), Zigbee(TM) and WiMax(TM)

Today wireless is becoming the leader in communication choices among users. It is not anymore a backup solution for nomadic travellers but really a newmoodnaturallyusedeverywhereevenwhenthewiredcommunicationsare possible. Many technologies evolve then continuously, changing the telecom- munication w ...
https://www.eeworm.com/dl/522195.html
下载: 1
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书籍 WiFi,+WiMAX+and+LTE+Multi-hop+Mesh+Networks

Notwithstanding its infancy, wireless mesh networking (WMN) is a hot and growing field. Wireless mesh networks began in the military, but have since become of great interest for commercial use in the last decade, both in local area networks and metropolitan area networks. The attractiveness of mesh ...
https://www.eeworm.com/dl/522196.html
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书籍 Wireless Communications & Networking

During the past three decades, the world has seen signifi cant changes in the telecom- munications industry. There has been rapid growth in wireless communications, as seen by large expansion in mobile systems. Wireless communications have moved from fi rst-generation (1G) systems primarily focused ...
https://www.eeworm.com/dl/522200.html
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书籍 Wireless+Networking+Complete

This chapter provides extensive coverage of existing mobile wireless technologies. Much of the emphasis is on the highly anticipated 3G cellular networks and widely deployed wireless local area networks (LANs), as the next-generation smart phones are likely to offer at least these two types of conne ...
https://www.eeworm.com/dl/522213.html
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书籍 WLANs+WPANs+towards+4G+Wireless

This book paves the path toward fourth generation (4G) mobile communica- tion by introducing mobility in heterogeneous IP networks with both third generation (3G) and wireless local area networks (WLANs), which is seen as one of the central issues in the becoming 4G of telecommunications networks an ...
https://www.eeworm.com/dl/522217.html
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书籍 Multiscale+Simulation+Approach

Battery systems for energy storage are among the most relevant technologies of the 21 st century. They – in particular modern lithium-ion batteries (LIB) – are enablers for the market success of electric vehicles (EV) as well as for stationary energy storage solutions for balancing fluctuations in ...
https://www.eeworm.com/dl/522331.html
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技术资料 IEC 62368_2014--安規

THIS PUBLICATION IS COPYRIGHT PROTECTEDCopyright © 2014 IEC, Geneva, SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any formor by any means, electronic or mechanical, including photocopying and microfilm, without permission i ...
https://www.eeworm.com/dl/744462.html
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技术资料 MCU+LAN9254 EtherCAT从站硬件设计

LAN9254 + SAME54 MCU 从站设计•1.支持2/3个port口的EtherCat Slave控制器，并内置有8个FMMU 和8个SyncManagers;       并有8KB的更大的DPRAM存储资源；•2. 8/16bit总线，支持和大多数8/16bit以及32bit的host MCU通讯； •3. 内部集成了支持HP Auto-MDIX的以太网PHY芯片； •4. 支持Wake o ...
https://www.eeworm.com/dl/745462.html
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