Radar systems, Other Engineering

Radar Systems
  • Radar is an acronym for RAdio Detection And Ranging. 
  • A radar uses an antenna to transmit a series of electromagnetic waves or pulses, and an antenna (usually the same one) to detect electromagnetic signals that have been reflected off objects of interest.
  • The time delay between transmission and receiving the reflected signal gives information about the range of the reflector, and the 
  • frequencies and polarisations present in the received signal gives more information about the position and the structure of the reflector. 
  • Radar system operate in a wide variety of wavebands from wavelengths of 10s of metres to wavelengths of the order of 1 mm.
  • The details of radar operation are not importan for this course, but some appreciation of radar accuracies and their limitations is useful.
Posted Date: 8/27/2012 9:22:44 AM | Location : United States

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