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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
82-11Meteorological Measurement
e extinction coecient (k) is related to visual range (VR) by VR = 5/k (km). VR measurable by such a
system lie between about 0.3 and 60 km. Figure 82.5 shows the visibility sensor used in the ASOS net-
work
. A x
enon
ash
l
amp
s
ource
i
s
u
sed
w
ith
t
his
s
ystem
.
82
.2.7.2
T
ra
nsmissometers
ese
m
easure
t
he
a
ttenuation
o
f
a l
ight
b
eam
to d
etermine
v
isibility
.
82.2.8 Lidar Measurements
Lidar is optical radar in which a laser emits pulses of electromagnetic radiation. Scattered radiation that
returns to an optimally tuned detector at the laser site for observation is called echos. e time from emis-
sion
of th
e
pu
lse
to
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Publisher Resources

ISBN: 9781439848913