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有线电视系统中,即使前端系统的信号质量特别好,如果同轴电缆主干线放大器及其用户分配网络结构设置不合理,或者信号调试不够好,则到达用户端的信号也难达到满意的效果。
In CATV systems, even if the signal quality of the front-end system is particularly good, it is difficult to achieve satisfactory results if the coaxial cable trunk amplifier and its user-assigned network structure is set incorrectly or the signal debugging is not good enough.