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

quadrature amplitude modulation

noun [mass noun] Telecommunications

A modulation system used in microwave and satellite communication, involving phase and amplitude modulation of a carrier wave.A quadrature amplitude modulation trellis coded modulation decoder for decoding a stream of QAM TCM signals is disclosed....

An SCM modulator uses the digital component to create a low-order QAM (quadrature amplitude modulation) symbol.
Because Ultraband utilizes ITU-grade QAM (quadrature amplitude modulation), it requires lower plant noise floors.

单词	quadrature amplitude modulation
释义	quadrature amplitude modulation noun [mass noun] Telecommunications A modulation system used in microwave and satellite communication, involving phase and amplitude modulation of a carrier wave.A quadrature amplitude modulation trellis coded modulation decoder for decoding a stream of QAM TCM signals is disclosed.... An SCM modulator uses the digital component to create a low-order QAM (quadrature amplitude modulation) symbol. Because Ultraband utilizes ITU-grade QAM (quadrature amplitude modulation), it requires lower plant noise floors.
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