Fundamental Consideration on Distance Estimation Using Acoustical Standing Wave

Noboru NAKASAKO  Tetsuji UEBO  Atsushi MORI  Norimitsu OHMATA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E91-A   No.4   pp.1218-1221
Publication Date: 2008/04/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.4.1218
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Engineering Acoustics
audible sound,  standing wave,  power spectrum,  range spectrum,  distance estimation,  

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In the research field of microwave radar, a range finding method based on standing wave is known to be effective for measuring short distances. In this paper, we focus our attention on audible sound and fundamentally examine the distance estimation method in which acoustical standing wave is used.