摘要
文章详细介绍了有线电视网干线器材的选取、指标的计算、设计指标的验证、调试依据的计算、交流供电器的负载能力的计算施工和调试。
With advantages of wide bandwidth; large number of programs transmitted, less cost, high - quality pictures and business expanding, cable TV network is one of the modem hd＇onnafion transmitting media. This article has introduced in detail the choice of equilpment, index calculation, verification of designing index, calculation of test- run basis, the calculation construction and test- run of the load ability of AC power supplier for the main line of cable TV network.
出处
《山西科技》
2007年第1期69-71,共3页
Shanxi Science and Technology
关键词
有线电视
载噪比
输入电平
输出电平
集中供电
cable TV
earrier to noise ratio
input level
output level
central power supply
