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词汇
frequency-division multiplexing
释义
frequency-division multiplexing
分频多工(=FDM)
一种通信方式,将单一传输设施分成若干个传输通道。采用的方法是将有限宽度的传输频带分割成若干较窄的频带,每个窄频带构成一个个不同的通道。
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更新时间:2026/8/19 14:23:10