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词汇
QAM
释义
QAM
正交幅度调制(=quadrature amplitude modulation)
一种调制数字信号的编码方式,它兼用振幅编码和相位编码。该方法既可以用於下行,也可以用於上行。该方法能充分利用带宽,并且抗噪声能力强。
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one and all
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one-eyed
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one-for-one
one-for-one translation
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