结合沧州市网络的实际情况，主要分析HFC电缆分配系统双向传输改造的建设标准和实施方案。
Considering for local current situation of network in CangZhou city, mainly analyzed constructing standard and implementary scheme of HFC cable distribution system two-way transformation.
本文提供一种全数字化的单芯同轴电缆、高速、宽动态范围的双向数据传输系统，以代替传统的多芯电缆传输系统。
This high-speed and wide dynamic range system can replace the traditional one which contains a multiple-lead cable.
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