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frequency-change signaling中文什么意思

發(fā)音:
  • 變頻發(fā)訊號
  • frequency:    n. 1.屢次,頻仍,頻繁。 2.(脈搏等的)次數(shù),出現(xiàn) ...
  • change:    vt. 1.改變,變更,變換,變革。 2.交換;兌換;把 ...
  • signal:    n. 1.信號,暗號;信號器。 2.動機,導(dǎo)火線 (fo ...
  • frequency change signaling:    換頻傳信
  • signaling frequency:    振鈴信號頻率
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百科釋義

    In telecommunication, frequency-change signaling is a telegraph signaling method in which one or more particular frequencies correspond to each desired signaling condition of a telegraph code. The transition from one set of frequencies to the other may be a continuous or a discontinuous change in the frequency or phase.
    詳細百科解釋

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