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Title: P2F-8 multipath interference between plane and corner reflection for ultrasonic ranging systems
Authors: Cheng, CH 
Chong, PF
Kwok, KL
Chan, MW
Fung, TY
Chao, C
Leung, W 
Keywords: Corner reflection
Multipath interference
Ultrasonic ranging
Issue Date: 2007
Source: Proceedings - IEEE Ultrasonics Symposium, 2007, 4409984, p. 1633-1636 How to cite?
Abstract: In this paper, we study the multipath interference between the plane and corner reflections for 40kHz ultrasonic transducers with 55° beam angle moving along or transverse to the transmitting/receiving directions. Discrete spots of low echo signal were found for either transducer moving directions. The interference pattern is similar to the diffraction pattern of a wave passing through an aperture that disrupts the wave. When a destructive or constructive interference happens, there is integer number of half wave length difference between the plane and corner reflection path distances.
Description: 2007 IEEE Ultrasonics Symposium, IUS, New York, NY, 28-31 October 2007
ISBN: 1424413834
ISSN: 1051-0117
DOI: 10.1109/ULTSYM.2007.411
Appears in Collections:Conference Paper

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