p1.Electromagnetic_wave

p1.Electromagnetic_wave - is 3x10 8 /(2.4x10 9 ) = 0.125 m...

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bxyics 1 Electromagnetic Wave 4050-403 Concepts of Wireless Data Networks Water Waves bxyics 2 Sound Waves bxyics 3
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bxyics 2 Electromagnetic Waves bxyics 4 EM Behaviors ± Gain ± Loss ± Reflection bxyics 5 ± Refraction ± Diffraction ± Scattering ± Absorption ± Multi-path Distortion ± Doppler Fading Wave ) 2 sin( ) ( ϕ π+ = ft A t v bxyics 6 ± A : amplitude or peak value ± f : frequency ± φ : phase ± T : period (1/ )
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bxyics 3 Wave length ± v = the speed of light 3x10 8 m/s ± f = 1/T λ vT bxyics 7 ± = vT ± Example: ± For 2.4GHz signal,
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Unformatted text preview: is 3x10 8 /(2.4x10 9 ) = 0.125 m Spectrums bxyics 8 bxyics 9 bxyics 4 Exercises The iNet wireless device mounted on our wireless carts generates 900 MHz electromagnetic wave. What are the bxyics 10 period and wave length? 802.11a wireless devices use frequencies starting at 5.15GHz. What are the period and wave length of the electromagnetic wave at this frequency?...
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This note was uploaded on 04/21/2008 for the course VNSA 403 taught by Professor Yuan during the Winter '07 term at RIT.

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p1.Electromagnetic_wave - is 3x10 8 /(2.4x10 9 ) = 0.125 m...

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