Headend (Headend) 头端。 是有线电视系统的中央控制地。在这里从卫星和其它节目源接收视频信号，将其转换成相应的电视频道，同时将本地制作的电视节目结合进去，然后再向当地的有线电视HFC网络发送出去。CMTS系统通常就放在头端这里。
The paper narrates theories of that, and details the technique on headend and resource security.
详细描述了头端和资源保护两个方面的研究。
The feasibility of removing graphite by fixed bed burning technology in the headend process of HTGR graphite ball-element reprocessing is discussed.
讨论了高温气冷堆元件球后处理首端过程用固定床燃烧法去除石墨的可行性。
The headend, consisting of content providers and equipment (such as the satellite receiver, encoders, and so on) needed to transmit and receive digital assets, onto the IP network.
数据转发器，包含内容提供者和用于在IP网络上传输和接收数字资产所需的设备(如卫星接收器、编码器等)。
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