The new BCSB idea combines the space division switching with the time division switching.

BCSB新颖的构思将空分交换和时分交换体制有机的结合在一起。

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A time optimal control method switched by time is put forward in the paper based on the concept of subspace of the initial state space. It doesn't need switching curve or switching surface.

基于初始状态空间下的子空间概念，提出一种按时间进行切换的最速控制方法，不需要求取开关线或开关面。

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Three different architectures (time, space and frequency-division) are used in high speed and real time switching systems.

在高速实时的光交换系统中有时分、空分和频分主三种交换方式。

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