“pulse modulation”的概念、定义、翻译、参考文献-科学参考

单词	pulse modulation
释义	pulse modulation [`pǝls ´mäj·ǝ´lā·shǝn] ^{COMMUNICATIONS} A system of modulation in which the amplitude, duration, position, or mere presence of discrete pulses may be so controlled as to represent the message to be communicated.
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