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Author : John Durkin
Publisher : Unknown
Page : 40 pages
File Size : 51,6 Mb
Release : 1982
Category : Electromagnetic fields
ISBN : UOM:39015078490359
Author : Harry Dobroski,Clete R. Stephan,Ronald S. Conti
Publisher : Unknown
Page : 66 pages
File Size : 46,9 Mb
Release : 1996
Category : Coal mine accidents
ISBN : PSU:000050955848
Author : Anonim
Publisher : Unknown
Page : 914 pages
File Size : 44,7 Mb
Release : 2024-06-18
Category : Government publications
ISBN : WISC:89117116848
Author : Anonim
Publisher : Unknown
Page : 1050 pages
File Size : 50,8 Mb
Release : 1983
Category : Government publications
ISBN : UIUC:30112063912254
Author : L. K. Bandyopadhyay,S. K. Chaulya,P. K. Mishra
Publisher : Springer Science & Business Media
Page : 500 pages
File Size : 43,6 Mb
Release : 2009-08-29
Category : Technology & Engineering
ISBN : 9780387981659
Wireless communication has emerged as an independent discipline in the past decades. Everything from cellular voice telephony to wireless data transmission using wireless sensor networks has profoundly impacted the safety, production, and productivity of industries and our lifestyle as well. After a decade of exponential growth, the wireless industry is one of the largest industries in the world. Therefore, it would be an injustice if the wireless communication is not explored for mining industry. Underground mines, which are characterized by their tough working conditions and hazardous environments, require fool-proof mine-wide communication systems for smooth functioning of mine workings and ensuring better safety. Proper and re- able communication systems not only save the machine breakdown time but also help in immediate passing of messages from the vicinity of underground working area to the surface for day-to-day normal mining operations as well as for speedy rescue operations in case of disaster. Therefore, a reliable and effective commu- cation system is an essential requisite for safe working, and maintaining requisite production and productivity of underground mines. Most of the existing systems generally available in underground mines are based on line (wired) communication principle, hence these are unable to withstand in the disaster conditions and dif?cult to deploy in inaccessible places. Therefore, wireless communication is an indispe- able, reliable, and convenient system and essential in case of day-to-day normal duty or disaster situations.
Author : Anonim
Publisher : Unknown
Page : 542 pages
File Size : 44,5 Mb
Release : 1982
Category : Mineral industries
ISBN : NYPL:33433059668776
Author : Fred Leighton
Publisher : Unknown
Page : 484 pages
File Size : 53,9 Mb
Release : 1982
Category : Mineral industries
ISBN : OSU:32435025834920
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 412 pages
File Size : 50,9 Mb
Release : 1990
Category : Mineral industries
ISBN : IND:30000065660650
Author : United States. Bureau of Mines. Branch of Editorial Services
Publisher : Unknown
Page : 160 pages
File Size : 52,8 Mb
Release : 1982
Category : Mineral industries
ISBN : UOM:39015047379063
Author : United States. Bureau of Mines
Publisher : Unknown
Page : 148 pages
File Size : 51,8 Mb
Release : 1986
Category : Fuel
ISBN : UOM:39015095154137
Author : Simona Mirela Riurean,Monica Leba,Andreea Cristina Ionica
Publisher : Springer Nature
Page : 244 pages
File Size : 41,7 Mb
Release : 2021-02-02
Category : Technology & Engineering
ISBN : 9783030614089
This book provides a chronological literature review of optical wireless communication, followed by a detailed blueprint of a visible light communication (VLC) setup with the key characteristics of LEDs and photodetectors. Next, the optical channel impulse response and its description for different possible topologies is presented together with a description of the optical and electrical setup for both optical transmitters (oTx) and optical receivers (oRx). Different single carrier and multi-carrier modulations particularly applied in visible light communication setups are also presented. Both the optical and electrical modules of oTx and oRx are simulated and then prototyped and tested as embedded devices in an underground positioning and monitoring system for a continuous real time identification of the personnel on the main underground galleries where the illumination network is already installed. Presents a comprehensive look at visible light communication technology, both in description and application; Shows where and how VLC has been launched on the market as an alternative or partner technology to the existing wireless communication technologies based on radio frequency; Includes special focus on underground positioning and monitoring with embedded VLC.
Author : H. Kenneth Sacks
Publisher : Unknown
Page : 24 pages
File Size : 47,9 Mb
Release : 1978
Category : Boring
ISBN : UOM:39015078483479
Author : Library of Congress
Publisher : Unknown
Page : 1032 pages
File Size : 49,5 Mb
Release : 2024-06-18
Category : Electronic
ISBN : WISC:89126008994
Author : Anonim
Publisher : Unknown
Page : 940 pages
File Size : 44,6 Mb
Release : 1983
Category : Science
ISBN : UIUC:30112075615945
Author : United States. Mine Safety and Health Administration
Publisher : Unknown
Page : 498 pages
File Size : 46,8 Mb
Release : 2024-06-18
Category : Mine safety
ISBN : STANFORD:36105061578782
