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

单词	double modulation
释义	double modulation [¦dǝb·ǝl ´mäj·ǝ`lā·shǝn] ^{COMMUNICATIONS} A method of modulation in which a subcarrier is first modulated with the desired intelligence, and the modulated subcarrier is then used to modulate a second carrier having a higher frequency.
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