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电缆电视现场直播应注意的几个问题□刘让林张里琪（陕西省宝鸡有线电视台７２３０００）利用电缆电视的Ｒ频段进行上行信号传输，结合下行线路可以在ＣＡＴＶ网内实现双向功能。它可用于覆盖区内的现场直播。对于ＨＦＣ网开展多功能应用，电缆反向传输段也是至关重要的。...
Cable Television live broadcast several issues to be noticed □ Liu Rulin Zhang Liqi (Shaanxi Province Baoji cable television station 723000) The use of cable TV R band uplink signal transmission, combined with the downlink line in the CATV network to achieve two-way function. It can be used to cover live broadcasts in the area. For HFC network to carry out multi-functional applications, reverse transmission section of the cable is also crucial. ...