An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?()
第1题:
A. low optical power
B. high optical power
C. few optical channels
D. many optical channels
E. low chromatic dispersion
F. high chromatic dispersion
G. too much power differential in the optical channels
第2题:
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?()
第3题:
Embryonic disc
第4题:
OWM的英文全称是()
第5题:
【GSM协议与标准】挂机之后A接口资源清除的顺序为(拆线-DISC,清除BSS资源-CLEAR,释放-REL):()
第6题:
Which device creates an OEO conversion? ()
第7题:
SONET全称为()
第8题:
the signal to noise of the current optical amplifier
the signal to noise of the previous amplifier or source
the signal to noise introduced by the optical multiplexer
the accumulated noise to signal ratio of the optical channel
第9题:
water
oil
scale
ridge
第10题:
DISC-REL-CLEAR
REL-DISC-CLEAR
CLEAR-REL-DISC
CLEAR-DISC-REL
第11题:
DVD-RW
CD-RW
BD-ROM
BD-RW
第12题:
amplifier
attenuator
regenerator
light emitter
optical switch
optical receiver
fiber-optic cable
第13题:
在通信专业中,PON的英文全称是“( )”,“衰减”英文通常翻译为“( ) ”。
A.Private Optical Network B.Passive Optical Network C.Private Optical Node D.Protected Optical Node A.attenuation B.loss C.fading D.decline
第14题:
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? ()(Choose three.)
第15题:
display interface pos命令输出信息Rx Optical Power、Tx Optical Power表示()。
第16题:
无源光网络由哪些部分构成?()
第17题:
What two descriptions best define DWDM? ()
第18题:
DVD光盘的最大容量是()
第19题:
第20题:
gravity
diameter
circumference
cylinder
第21题:
low optical powe
high optical power
few optical channels
many optical channels
low chromatic dispersion
high chromatic dispersion
too much power differential in the optical channels
第22题:
a WDM system that is compatible with EDFA technology
an optical technology for transmitting up to 16 channels over multiple fiber strands
an optical technology for transmitting up to 32 channels over multiple fiber strands
a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM
a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
第23题:
low optical power
high optical power
few optical channels
many optical channels
low chromatic dispersion
high chromatic dispersion
too much power differential in the optical channels