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unmodulated carrier การใช้

ประโยคมือถือ
  • The Indian transponder has an unmodulated carrier on 145.940 MHz.
  • Thanks to the FM capture effect, frequency modulated broadcasts may be jammed, unnoticed, by a simple unmodulated carrier.
  • The first-order sideband has increased in level until it is now at the same level as the formerly unmodulated carrier.
  • On March 16, 2006, the communication system malfunctioned so that it was transmitting unmodulated carrier wave and unable to communicate.
  • Modulation can be turned off on alternate scans to identify velocity using unmodulated carrier frequency shift . This allows range and velocity to be found with one radar set.
  • Some television stations also use the related phrases " in black " and " going to black " for transmitting an unmodulated carrier, meaning both a completely black image and a completely silent audio stream are sent; other stations limit the term " in black " to loss of video where audio continues normally, and " dead air " is used for sending an unmodulated carrier signal.
  • Some television stations also use the related phrases " in black " and " going to black " for transmitting an unmodulated carrier, meaning both a completely black image and a completely silent audio stream are sent; other stations limit the term " in black " to loss of video where audio continues normally, and " dead air " is used for sending an unmodulated carrier signal.