英语词汇“pulse-frequency modulation”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pulse-frequency modulation
释义	pulse-frequency modulation pulse-frequency modulation [′pəls ¦frē·kwən·sē ‚mäj·ə‚lā·shən] (communications) A form of pulse-time modulation in which the pulse repetition rate is the characteristic varied. Abbreviated PFM. pulse-frequency modulation A signal is translated into a succession of constant-amplitude pulses transmitted at a frequency proportional to the amplitude of the original signal. See pulse modulation.
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