Basic Antenna Theory - Wireless

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Basic Antenna TheoryRyszard StruzakNote: These are preliminary notes, intended only for distribution among the participants. Beware of misprints! ICTP-ITU-URSI School on Wireless Networking for DevelopmentThe Abdus Salam International Centre for Theoretical Physics ICTP, Trieste (Italy), 5 to 24 February 2007R Struzak 2Purpose to refresh Basic physical conceptsneeded to understand better the operation and design of microwave antennasR Struzak 3Outline Introduction Review of Basic Antenna types Radiation pattern, gain, polarization Equivalent circuit & radiation efficiency Smart antennas Some Theory SummaryR Struzak 4QuizTransmitting antennas used to radiate RF energy, whereasreceiving antennas designed to capture RF energy Somebody told that receiving antennas,radiate radio waves during the reception Is it a true fact or a slip of th

Basic Antenna Theory Ryszard Struzak Note: These are preliminary notes, intended only for ... R Struzak 12 Outline • Introduction • Review of basic antenna types • Radiation pattern, gain, polarization ... Reflector antennas • Reflectors are used to concentrate …

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