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Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
book

Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition

by John G. Webster, Halit Eren
February 2014
Intermediate to advanced content levelIntermediate to advanced
1921 pages
82h 13m
English
CRC Press
Content preview from Measurement, Instrumentation, and Sensors Handbook, Second Edition, 2nd Edition
53-16 Optical
of network components as illustrated, whereas the power reection peak at 40 km signies the Fresnel
re
ections
at th
e
b
er–air
in
terface
. A
er
th
e
b
er
en
d
no ba
ckscattering
is de
tected
an
d
th
e
tr
ace
dr
ops
to the receiver noise, which is usually dominated by the thermal noise of the electronic circuit.
Generally, the OTDR trace can be used to extract information about link faults, including ber mis-
alignment,
b
er
mi
smatch,
an
gular
fa
ults,
di
rt
on co
nnectors,
ma
crobends,
an
d/or
br
eaks
. e
se
fa
ults
are usually referred to as events on the OTDR trace. An OTDR device is a distributed ber sensing
instrument and can be eectively emplo ...
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Publisher Resources

ISBN: 9781439848913