add-drop multiplexerの例文
- Technical requirements for stm - 64 add - drop multiplexer
- Optical add - drop multiplexer ( oadm ) is nodal point of wave division multiplexer ( wdm ) . performance of wdm relies on the performance of oadm device
- In chapter 4 , the spectral characteristics and its application in optical add - drop multiplexer ( oadm ) and in multi - channel dispersion compensator of linearly chirped moir fiber grating are studied . according to the coupled - mode theory and considering the construction features , we derive the couple - mode equations that describe the mode interaction in this kind of grating
- We study the cost of metro wdm in two aspects in chapter 2 . for the aspect of components , a bidirectional optical add - drop multiplexer ( boadm ) using fiber gratings and circulators is designed , and is cheaper , simple and appropriate compenent for single - fiber bidirectional ring networks ( sfbrn ) . for the aspect of network , after study the traffic - grooming problem and the cost of wdm ring networks , a layered network with a multi - hubs is presented to reduce the total number of the network ports
