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Հարց 328

Which of the following methods is used to locate sources of noise interference or jamming?

  1. Echolocation
  2. Doppler radar
  3. Radio direction findingՃիշտ պատասխան
  4. Phase locking

Բացատրություն

Radio direction finding takes bearings on a signal from several places and crosses them to locate the transmitter, which works whether the source is a jammer, a noise source or a lost transmitter. Echolocation and Doppler radar use reflected signals of one's own, not the interfering transmission.

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Հարց 328: Which of the following methods is used to locate sources of… · FCC Technician Class (Element 2) · Questena