分布式光纤拉曼散射测温技术的进展.pdf
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(Distributed Optical Fiber Raman
Temperature Sensor, DOFRTS)
(
)
(Optical Time Domain Reflection, OTDR)
1. (OTDR)
t
C
2L 2L=V ·t V V=
n
C n t L
2.
3
1
3.
30km 2
3
(1)
(2) 13 (BDC)(
)
(3)(APD)
3
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