Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission
We propose a three-dimensional self-positioning method of the single microphone situated in the acoustic field containing the steered Bessel beams generated by a two-dimensional planar ultrasound phased array. The presented method is a modified version of the previously proposed one that suffered fr...
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| Format: | Article |
| Language: | English |
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Elsevier
2021-12-01
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| Series: | Measurement: Sensors |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2665917421002105 |
| _version_ | 1818736627218907136 |
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| author | Keisuke Hasegawa |
| author_facet | Keisuke Hasegawa |
| author_sort | Keisuke Hasegawa |
| collection | DOAJ |
| description | We propose a three-dimensional self-positioning method of the single microphone situated in the acoustic field containing the steered Bessel beams generated by a two-dimensional planar ultrasound phased array. The presented method is a modified version of the previously proposed one that suffered from considerable positioning errors. In this paper, we report that this error is caused from asymmetric emission of the phased array that results in distorted beam shape. To overcome this problem, we divided the array aperture in two sub-apertures that separately formed two scanning beams. As a result, the estimation error is tremendously reduced. We also demonstrate that this error can be even reduced to several millimeters by performing coarse-to-fine two stage estimation as a post processing. |
| first_indexed | 2024-12-18T00:40:09Z |
| format | Article |
| id | doaj.art-6d5a38e04b56409cbcf81b165fc0ad99 |
| institution | Directory Open Access Journal |
| issn | 2665-9174 |
| language | English |
| last_indexed | 2024-12-18T00:40:09Z |
| publishDate | 2021-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Measurement: Sensors |
| spelling | doaj.art-6d5a38e04b56409cbcf81b165fc0ad992022-12-21T21:26:54ZengElsevierMeasurement: Sensors2665-91742021-12-0118100247Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emissionKeisuke Hasegawa0Graduate School of Information Science and Technology, The University of Tokyo, Tokyo, JapanWe propose a three-dimensional self-positioning method of the single microphone situated in the acoustic field containing the steered Bessel beams generated by a two-dimensional planar ultrasound phased array. The presented method is a modified version of the previously proposed one that suffered from considerable positioning errors. In this paper, we report that this error is caused from asymmetric emission of the phased array that results in distorted beam shape. To overcome this problem, we divided the array aperture in two sub-apertures that separately formed two scanning beams. As a result, the estimation error is tremendously reduced. We also demonstrate that this error can be even reduced to several millimeters by performing coarse-to-fine two stage estimation as a post processing.http://www.sciencedirect.com/science/article/pii/S2665917421002105Acoustic positioningAcoustic phased arrayAcoustic bessel beamSingle receiver positioning |
| spellingShingle | Keisuke Hasegawa Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission Measurement: Sensors Acoustic positioning Acoustic phased array Acoustic bessel beam Single receiver positioning |
| title | Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission |
| title_full | Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission |
| title_fullStr | Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission |
| title_full_unstemmed | Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission |
| title_short | Single microphone positioning based on Angular scanning of acoustic Bessel beam from symmetric ultrasound emission |
| title_sort | single microphone positioning based on angular scanning of acoustic bessel beam from symmetric ultrasound emission |
| topic | Acoustic positioning Acoustic phased array Acoustic bessel beam Single receiver positioning |
| url | http://www.sciencedirect.com/science/article/pii/S2665917421002105 |
| work_keys_str_mv | AT keisukehasegawa singlemicrophonepositioningbasedonangularscanningofacousticbesselbeamfromsymmetricultrasoundemission |