同时对双向HFC网存在的主要问题：上行通道噪声漏斗效应、各种噪声干扰控制策略、回波反射等进行了说明。
Finally, points out the main problems exists in the HFC network: noise funneling in the re-turn path; control tactics of noise; reflection in the cable.
同时对双向HFC网存在的主要问题：上行通道噪声漏斗效应、各种噪声干扰控制策略、回波反射等进行了说明。
Finally, points out the main problems exists in the HFC network: noise funneling in the re-turn path; control tactics of noise; reflection in the cable.
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