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有线电视系统设计中值得重视的一项指标洪健(浙江省象山县有线电视台315700)对于有线电视系统的设计,一般比较重视干线长度、传输的频道数、温度的变化及放大器的增益G、噪声系数F、二次互调IM;、三次复合差拍CTB等,而往往忽略了一项非常重要的指标:幅...
Cable TV system design an important indicator of Hong Jian (Zhejiang Xiangshan cable television station 315700) for cable television system design, the general emphasis on the length of the trunk, the transmission channel number, the temperature changes and amplifier gain G, noise Coefficient F, quadrature IM, three composite beat CTB, etc., but often overlooked a very important indicator: amplitude ...