Being based on the theory of band-pass crossover network, this paper brings for-ward the design and analysis of two usually confusable crossover network which are in common use.
根据带通式分频网络的原理，提出了常用的两种容易混淆的分频网络的设计与分析方法。
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Finally, analyzed the net to pass the wide band metropolitan area network, proposed the IPTV load bearing network transformation and the construction plan.