Optical sensing and photodetectors
分布式声学传感
Distributed Acoustic SensingA technology that uses optical fibers to detect acoustic waves along their length, enabling the measurement of vibrations and sound over long distances. / 一种利用光纤沿其长度检测声波的技术，能够测量长距离内的振动和声音。
- Knowledge type
- 实际应用
- First proposed or discovered
- Proposer
- Turkey Farm member
- Creator
- 农场主
- Last updated
- 2026-11-02 18:06:47
Sub-knowledge points
Rayleigh Scattering / 自然理论Finite-aperture spatial filteringHelical-fiber geometryPhase-response framework
Higher-order knowledge points
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Main parameters and performance indicators
Spatial resolution: determined by laser pulse width and fiber lengthSensing range: determined by laser power and fiber attenuationFrequency response: determined by the phase response framework
Open problems
No unresolved problem recorded yet
Related literature
ranked by community starsFinite-aperture spatial filtering and helical-fiber geometry in distributed acoustic sensing: A unified phase-response frameworkOpen source
Related products and links
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Creation and modification trail
1 recordsRecord title: Distributed Acoustic Sensing.
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