Transmission media

Tài liệu Chapter 4 Transmission Media pdf

Tài liệu Chapter 4 Transmission Media pdf

... Stallings Data and Computer Communications Chapter 4 Transmission Media Optical Fiber Transmission Modes Wireless Transmission ❚ Unguided media ❚ Transmission and reception via antenna ❚ Directional ❙ Focused ... rate ❚ Transmission impairments ❙ Attenuation ❚ Interference ❚ Number of receivers ❙ In guided media ❙ More receivers (multi-point) introduce more attenuation...

Ngày tải lên: 16/02/2014, 08:20

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Tài liệu Chapter 7 Transmission Media ppt

Tài liệu Chapter 7 Transmission Media ppt

... Optical fiber performance 7.22 7-2 UNGUIDED MEDIA: WIRELESS 7-2 UNGUIDED MEDIA: WIRELESS Unguided media transport electromagnetic waves Unguided media transport electromagnetic waves without ... modes 7.17 Figure 7.13 Modes 7.18 Table 7.3 Fiber types 7.19 Figure 7.14 Fiber construction 7.1 Chapter 7 Transmission Media Copyright © The McGraw-Hill Companies, Inc. Permission required...

Ngày tải lên: 16/02/2014, 20:20

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Chapter 3 Transmission Basics and Networking Media pdf

Chapter 3 Transmission Basics and Networking Media pdf

... connected network segments • Transmission methods assigned maximum segment lengths 15 Common Media Characteristics: Throughput • Probably most significant factor in choosing transmission method • Limited ... in given transmission method • Transmission methods using fiber-optic cables achieve faster throughput than those using copper or wireless connections • Noise and devices c...

Ngày tải lên: 30/03/2014, 07:20

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Các thủ thuật trong mediafire

Các thủ thuật trong mediafire

... 1 CÁC THỦ THUẬT TRONG MEDIAFIRE.COM BÀI 15 NGÀY 18.3.2009 UTBINH SOẠN I.COM CHIA SẺ FOLDERS TRONG MEDIAFIRE : 1. Vô : http://www.mediafire.com > Log In tài khoản của bạn ... LINK URL BẰNG TÊN BẠN CHỌN : 3 1. Đây là Link URL của 1 Folder trong Mediafire mà utbinh muốn chia sẻ : http://www.mediafire.com/?sharekey=5e3259dd66b6b0c74012e8015643d9c8 5a0c64c7e5037400 ... của Folder...

Ngày tải lên: 06/09/2012, 14:11

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MOB TME Subject 1 – Signal Transmission

MOB TME Subject 1 – Signal Transmission

... Mobile InternetBaey, Fladenmuller – Subject 11/13MOB TME Subject 1 – Signal TransmissionSIGNAL AND WAVES PROPAGATIONData transmission on a physical support is the result of the propagation of a ... wave, with different delays andattenuations compared to each other. This is called multi-path transmission. The combination of Master of Computer Science 1 - MOB Mobile InternetBaey, Fladenmulle...

Ngày tải lên: 17/09/2012, 09:13

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MOB Subject 3 Transmission Techniques

MOB Subject 3 Transmission Techniques

... Mobile Internet and Surrounding1/18MOB Subject 3Transmission Techniques1. Signal transmission techniques - PracticalThe local radio-electric networks use radio ... infrared in order to transmit data. Thetechnique used with the origin for the radio transmissions is called narrow band transmission. Itconsists in sharing the frequency band in relatively low sub-bandwidth ... passed on these...

Ngày tải lên: 17/09/2012, 09:13

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MOB sujet 4 Transmission techniques - DS CDMA

MOB sujet 4 Transmission techniques - DS CDMA

... Mobile Internet and Surrounding1/10 Subject 4MOB sujet 4Transmission techniques - DS CDMA1. CDMA ExercisesThe principle of the spread spectrum modulation ... To transmit a bit to “0”, the stationsends the opposite of its sequence chip. The duration Tc of transmission of a chip is m timelower than the duration Tb of a bit.Example: let us suppose that ... a bit to "0", the statio...

Ngày tải lên: 17/09/2012, 09:13

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Mo Media Toefl Secrets

Mo Media Toefl Secrets

... organization. Read the general success strategies first, and then proceed to iiCopyright © 2002 by MO Media. You have been licensed one copy of this document for personal use only. Any other reproduction ... and we wish you continued success- Sincerely, The TOEFL Secrets Team iiiCopyright © 2002 by MO Media. You have been licensed one copy of this document for personal use only. Any other r...

Ngày tải lên: 05/10/2012, 09:53

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