This article introduces two generations optical network, mainly deals with the WDM and OTDM network multiplexing technologies.

介绍了两代光子网络，着重讨论了WDM网络与OTDM复用技术。

youdao

Arrayed waveguide grating (AWG) is of great importance to the future dense wavelength division multiplexing (DWDM) all optical network (AON).

阵列波导光栅型波分复用器对于实现未来密集波分复用全光网具有重要的意义。

youdao

A theory model, based on the inclusion-exclusion principle from combinatorics, was built to analyze the multicast blocking probability in WDM (wavelength division multiplexing) network.

通过建立一个基于组合数学中容斥原理的理论模型，分析了波分复用网络中组播的阻塞率。

youdao

Crosswave uses synchronous optical network (sonet) and wavelength division multiplexing (dwdm) technologies, which enable it to transmit data at high speeds over long distances with a high degree of reliability.

FORBES: 20 FOR 2000

But old style phone regulations often require network operators to maintain and expand obsolete copper wires and TDM (time division multiplexing) switching technologies.

FORBES: "Phone" Is Just an App; Why Regulate It?