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Aldawi, Fouad, Longstaff, Andrew P., Fletcher, Simon, Mather, Peter and Myers, Alan (2007) A high accuracy ultrasound distance measurement system using binary frequency shift-keyed signal and phase detection. In: Proceedings of Computing and Engineering Annual Researchers' Conference 2007: CEARC’07. University of Huddersfield, Huddersfield, pp. 1-7.
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Abstract
A highly accurate binary frequency shift-keyed ultrasonic distance measurement system for use in air
is described. This paper presents an efficient algorithm which combines both the time-of-flight method
and the phase-shift method. The method used will allow a larger range measurement than the phaseshift
method and also result in higher accuracy compared with time-of-flight method. The simulation in
air uses BFSK with the frequencies of 40 and 40.7 KHz. The system will give a resolution of
0.0231mm/° at different temperature and humidity. The main advantages of this system are high
resolution, low cost narrow bandwidth requirement and ease of implementation.
| Item Type: | Book Chapter |
|---|---|
| Subjects: | T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
| Schools: | School of Computing and Engineering School of Computing and Engineering > Centre for Precision Technologies School of Computing and Engineering > Centre for Precision Technologies > Engineering Control and Machine Performance Research Group School of Computing and Engineering > Computing and Engineering Annual Researchers' Conference (CEARC) School of Computing and Engineering > Systems Engineering Research Group |
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| Depositing User: | Graham Stone |
| Date Deposited: | 03 Apr 2009 10:07 |
| Last Modified: | 16 Dec 2010 12:22 |
| URI: | http://eprints.hud.ac.uk/id/eprint/3789 |
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