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Antennas & Propagation - Khoury College of Computer …

Antennas & Propagation - Khoury College of Computer …

www.ccs.neu.edu

Line-of-Sight Propagation Above 30 MHz neither ground nor sky wave propagation operates Transmitting and receiving antennas must be within line of sight oSatellite communication – signal above 30 MHz not reflected by ionosphere oGround communication – antennas within effective line of site due to refraction

  Propagation, Waves, Antenna, Wave propagation, Antennas amp propagation

Antennas & Propagation

Antennas & Propagation

www.ccs.neu.edu

Radiation pattern oGraphical representation of radiation properties of an antenna oDepicted as two-dimensional cross section Beam width (or half-power beam width) ... oLarger the diameter, the more tightly directional is the beam. Antenna Gain Antenna gain oPower output, in a particular direction,

  Propagation, Directional, Antenna, Patterns, Antennas amp propagation

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