Approximate Error Analysis of Acoustic Passive Directing with Cross Array Based on Piezoelectric Transducers
The four-element cross array is consisted of four piezoelectric transducers arranged in the form of cross. Passive directing with cross array is a very useful method for acoustic target detecting. This paper presented the algorithm of acoustic passive directing with cross array based on time delay e...
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| Format: | Article |
| Language: | English |
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IFSA Publishing, S.L.
2014-01-01
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| Series: | Sensors & Transducers |
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| Online Access: | http://www.sensorsportal.com/HTML/DIGEST/january_2014/Vol_162/P_1751.pdf |
| Summary: | The four-element cross array is consisted of four piezoelectric transducers arranged in the form of cross. Passive directing with cross array is a very useful method for acoustic target detecting. This paper presented the algorithm of acoustic passive directing with cross array based on time delay estimation, and accurate formula and approximate formula for calculating the target’s direction were proposed. The extent of application for approximate formula was suggested through analyzing the approximate error. The paper provided a basis for choosing the appropriate size of four- element cross array in practical engineering application.
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| ISSN: | 2306-8515 1726-5479 |