有线数字电视网络测量指标分析

The Analysis of Measurement Index of Digital Cable Television Network

分析有线数字电视网络的各项指标对网络质量的影响,以及在幅度噪声、相位噪声、相位误差、带内干扰等情况下星座图的表现形式。

This article presents the various index of digital cable television network and the network quality under the influence of these index. Meanwhile, it also analyzes the different condition of the constellation picture when it is subject to influence from the range noise, phase noise, phase error and belt-within interference etc.