With the evolution of metropolitan transmission network and the bandwidth requirement, DWDM technology will be entered into metropolitan network area from long haul backbone network.
随着城域传输网的演变和对带宽的需求，密集波分复用技术将由长途骨干网进入城域传输网。
Bandwidth of amplifier and relative aperture of optical system are optimized based on the requirement of temperature resolution.
基于系统温度分辨力的要求，对光学系统的相对孔径及选频放大器的带宽进行了优化设计。
DWDM (dense wavelength division multiplexing) technology has exploited the huge potential bandwidth of optical fibers to meet the bandwidth requirement.
密集波分复用(DWDM)技术能充分利用光纤巨大的传输容量，基本满足了对带宽的需求。
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