Bidirectional HFC (hybridfibercoaxial) is one of most important network resources for digital multimedia communication.
双向光纤同轴电缆混合网(HFC)是今后宽带多媒体通信的重要基础网络之一。
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This paper introduces the basic components of the optical fiber system and the modulation of the optical signals and the HFC-optical fibercoaxialhybrid network.