多項選擇題The WDM components making up a WDM system should meet the following requirements .()

A.插入損耗低 Low insertion loss
B.具有良好的帶通特性 Excellent bandpass property
C.溫度穩(wěn)定性好 Performance stability in spite of temperature change
D.復(fù)用通路數(shù)多A number of multiplexing channels
E.具有較高的分辨率 High resolution
F.幾何尺寸小 Small size


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1.多項選擇題ZXMP M800 can be applied to a()channel system.

A.8
B.16
C.40
D.80

2.多項選擇題A ZXWM M900 system provides several wavelength stabilizing methods, including ().

A.內(nèi)置波長反饋方式 Built-in wavelength feedback
B.外置波長反饋方式 External wavelength feedback
C.自動功率控制反饋方式 Automatic power control feedback
D.溫度控制反饋方式 Temperature control feedback

4.多項選擇題Select boards allowing optical protection from the following options. ()

A.OP
B.OPCS
C.OPMS
D.SWE
E.OPM
F.OMCP

5.單項選擇題下面那種技術(shù)可改善接收機(jī)誤判率()

A.FEC編碼
B.ERZ調(diào)制技術(shù)
C.DRA
D.自適應(yīng)接收電平調(diào)制