“pulse-frequency modulation”的概念、定义、翻译、参考文献-科学参考

单词	pulse-frequency modulation
释义	pulse-frequency modulation [`pǝls ¦frē·kwǝn·sē ´mäj·ǝ´lā·shǝn] ^{COMMUNICATIONS} A form of pulse-time modulation in which the pulse repetition rate is the characteristic varied. Abbreviated PFM.
随便看	Ewald method Ewald sphere E wave ewe Ewing's hysteresis tester Ewing's sarcoma Ewing theory of ferromagnetism exa- exact differential equation exact differential form exact division exact divisor exact sequence EXAFS exalate exalbuminous exalted-carrier receiver exanthema exanthem subitum exarch exasperate exaspidean excavation excavator excelsior

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