中型前端机房设计指标的讨论

Discussion of the Design Indexes of Medium-sized HE Layout

随着有线电视前端功能的增强 ,视频设备不断增加 ,前端视频系统的结构发生了变化 ,这些变化势必对系统和图像产生影响 ,因此在设计中全面反映这些影响才能保证信号质量。

With the enhancive function of the CATV HE, there have been changes in the structure of the HE video system and constant increases in the number of video equipments as well. Those changes are bound to leave a deep influence on the whole system and its image. Analysed how to reflect these influences in the layout and how to design the machine room so as to guarantee the quality of the signal.