If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？ （）A、 0 ps/nmB、 340 ps/nmC、 200 ps/nmD、 3400 ps/nmE、 More information is needed.
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？ （）
- A、 0 ps/nm
- B、 340 ps/nm
- C、 200 ps/nm
- D、 3400 ps/nm
- E、 More information is needed.
相关考题：
在波分系统中,G.652光纤的衰减系数在实际工程中一般用( )来计算,而在工作窗口的色散系数可以按照( )来计算,如下正确的是( ) A.0.20dB/km、17ps/nm.kmB.0.40dB/km、20ps/nm.kmC.0.275dB/km、20ps/nm.kmD.0.40dB/km、17ps/nm.km
对于10G速率业务单板的色散容限,NRZ编码的色散容限是(),ERZ编码的色散容限是() A.800ps/nm，400ps/nmB.1000ps/nm，500ps/nmC.400ps/nm，800ps/nmD.500ps/nm，1000ps/nm
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）A. noneB. -600 ps/nmC. -200 ps/nmD. +200 ps/nmE. +600 ps/nm
If the dispersion of a given fiber is 17ps／nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?() A.0 ps/nmB.340 ps/nmC.200 ps/nmD.3400 ps/nmE.More information is needed.
A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）A.noneB.oneC.twoD.threeE.four
Ifthedispersionofagivenfiberis17ps／nm*kmat1550nmandzeroat1310nm,thenwhatistheaccumulateddispersionofanITUwavelengthafterittravels200km?() A.0ps/nmB.340ps/nmC.200ps/nmD.3400ps/nmE.Moreinformationisneeded.
Thedispersionofanon-zerodispersionshiftedfiberis6ps/nm*kmat1550nmand10ps/nm*kmat1610nm.WhatistheminimumdispersioncompensationrequiredifanL-BandDWDMsignaltravelsthrough200kmoffiberandhasadispersiontoleranceof1800ps/nm？（）A.noneB.-600ps/nmC.-200ps/nmD.+200ps/nmE.+600ps/nm
G652光纤的衰耗及色散指标可选（）A、1310nm窗口衰耗为0.33dB/km、色散为零，1550nm窗口衰耗为0.19dB/km、色散为17ps/（nm•km）B、1310nm窗口衰耗为0.19dB/km、色散为17ps/（nm•km），1550nm窗口衰耗为0.19dB/km、色散为零C、1310nm窗口衰耗为0.33dB/km、色散为零，1550nm窗口衰耗为0.33dB/km、色散为17ps/（nm•km）D、1310nm窗口衰耗为0.19dB/km、色散为17ps/（nm•km），1550nm窗口衰耗为0.33dB/km、色散为17ps/（nm•km）
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）A、noneB、-600 ps/nmC、-200 ps/nmD、+200 ps/nmE、+600 ps/nm
A 2.5 Gb/s (OC-48 or STM-16) optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km?（）A、noneB、oneC、twoD、threeE、four
单选题The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）AnoneB-600 ps/nmC-200 ps/nmD+200 ps/nmE+600 ps/nm
单选题单模光纤在信号波长处的材料色散和波导色散分别为20ps/（nm.km）和-15ps/（nm.km），则光纤总色散为（）A35ps/（nm.km）B25ps/（nm.km）C5ps/（nm.km）D0ps/（nm.km）
单选题A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）A noneB oneC twoD threeE four
单选题If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km?（）A0 ps/nmB340 ps/nmC200 ps/nmD3400 ps/nmEMore information is needed.
单选题If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm， then what is the accumulated dispersion of an ITU wavelength after it travels 200 km？ （）A 0 ps/nmB 340 ps/nmC 200 ps/nmD 3400 ps/nmE More information is needed.
单选题对于10G速率业务单板的色散容限，NRZ编码的色散容限是（），ERZ编码的色散容限是（）A800ps/nm，400ps/nmB1000ps/nm，500ps/nmC400ps/nm，800ps/nmD500ps/nm，1000ps/nm