04-TransmissionMedia课件.ppt

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2017-08-19 发布于河南
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04-TransmissionMedia课件.ppt

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04-TransmissionMedia课件

Chapter 4Transmission Media;Overview;Design Factors;Electromagnetic Spectrum;Guided Transmission Media;Transmission Characteristics of Guided Media ;Twisted Pair;Twisted Pair - Applications;Twisted Pair - Pros and Cons;Twisted Pair - Transmission Characteristics;Near End Crosstalk;Unshielded and Shielded TP;UTP Categories;Comparison of Shielded and Unshielded Twisted Pair;Twisted Pair Categories and Classes ;Coaxial Cable;Coaxial Cable Applications;Coaxial Cable - Transmission Characteristics;Optical Fiber;Optical Fiber - Benefits;Optical Fiber - Applications;Optical Fiber - Transmission Characteristics;Optical Fiber Transmission Modes;Frequency Utilization for Fiber Applications ;Attenuation in Guided Media;Wireless Transmission Frequencies;Antennas;Radiation Pattern;Parabolic Reflective Antenna;Parabolic Reflective Antenna;Antenna Gain;Terrestrial Microwave;Satellite Microwave;Satellite Point to Point Link;Satellite Broadcast Link;Broadcast Radio;Infrared;Wireless Propagation;Ground Wave Propagation ;Sky Wave Propagation;Line of Sight Propagation;Refraction;Optical and Radio Horizons;Line of Sight Transmission;FreeSpaceLoss;Multipath Interference