网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
衰减作用(attenuation)
参考答案
更多 “衰减作用(attenuation)” 相关考题
考题
在标准灯光(Standand Lights)的强度/颜色/衰减(Intensity/Color/Attenuation Rollout)卷展栏中,提供了多少种衰减类型?( )
A、2B、3C、4D、5
考题
下列关于声级计中计权网络的叙述正确的是( )。A.网络A对中、低频噪声有较大衰减作用B.网络B较A对低频噪声有更大衰减作用C.网络B对中频噪声也有衰减作用D.网络ABC对高频噪声无衰减作用
考题
Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connector Attenuation * of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()A. fiber lossB. OSNR levelC. post amplificationD. index of reflectionE. index of refractionF. power post amplification budget
考题
Whatisthephenomenoncalledwheredifferentwavelengthsoflighttravelatdifferentspeeds?()
A.OSNRB.dispersionC.lightskewD.attenuation
考题
What is the phenomenon called where different wavelengths of light travel at different speeds?()
A.OSNRB.dispersionC.light skewD.attenuation
考题
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
考题
What is the phenomenon called where different wavelengths of light travel at different speeds?()A、 OSNRB、 dispersionC、 light skewD、 attenuation
考题
标准灯光(Standand Lights)的强度/颜色/衰减(Intensity/Color/Attenuation Rollout)卷展栏中,提供了多少种衰减类型?()A、2B、3C、4D、5
考题
Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()A、 fiber lossB、 OSNR levelC、 post amplificationD、 index of reflectionE、 index of refractionF、 power post amplification budget
考题
单选题What approximates the signal attenuation of a plasterboard wall?()A
Crowd of peopleB
Office windowC
Metal doorD
Brick wall
考题
单选题What is the phenomenon called where different wavelengths of light travel at different speeds?()A
OSNRB
dispersionC
light skewD
attenuation
考题
单选题在标准灯光(Standand Lights)的强度/颜色/衰减(Intensity/Color/Attenuation Rollout)卷展栏中,提供了多少种衰减类型?()A
2B
3C
4D
5
考题
单选题Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()A
fiber lossB
OSNR levelC
post amplificationD
index of reflectionE
index of refractionF
power post amplification budget
考题
单选题Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()A
fiber lossB
OSNR levelC
post amplificationD
index of reflectionE
index of refractionF
power post amplification budget
热门标签
最新试卷