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每次传输新数据时，都会进行逻辑信道优先级划分。
The Logical Channel Prioritization procedure is applied when a new transmission is performed.
求出多相滤波器频率响应后，用多个基于相同原型滤波器的数字滤波器将其划分为多个信道输出以达到降低信道输出速率的目的。
After polyphase filter frequency response was done, the channel out rate was fallen, and it was divided into multi-channel by the several digital filters based on the same archetype filter.
论文作者查阅了大量文献，分析了HFC网络的频谱划分、拓扑结构、信道特点。
Having referred to a lot of documents, the author analyzed the HFC network's frequency spectrum, topology and channel features.
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