Passive positioning of sound target based on HBT interference
Source abstract
Abstract
This paper proposes a method for the passive positioning of sound target based on the Hanbury and Brown-Twiss (HBT) interference that is commonly used in ultra-sensitive optical measurements. The method based on HBT interference is first theoretically analyzed to determine the relation between the coherence of the signal and the position of the target. A model of target positioning based on HBT interference in the sound field is then formulated to simulate the position of the target at different frequencies and positions, and the positioning performance of the proposed method is analyzed. Experiments were carried out to verify the feasibility and accuracy of the proposed method based on HBT interference, and the results were in good agreement with those of the simulation and positioning errors were smaller than 0.1 m. The proposed method based on HBT interference positioning is thus reliable and viable for passive positioning of the source of sound.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Advanced Fiber Optic Sensors · Flow Measurement and Analysis · Advanced MEMS and NEMS Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Hubei Key Laboratory of Modern Manufacturing Quantity Engineering, School of Mechanical Engineering, Hubei University of Technology , Wuhan, Hubei 430068, P.R. China
Funding
State Key Laboratory of Precision Measuring Technology and Instruments · National Natural Science Foundation of China
References (24)
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