Performance of the parametric receiving array : effects of misalignment
Citable URI
https://hdl.handle.net/1912/5651As published
https://doi.org/10.1121/1.395168DOI
10.1121/1.395168Keyword
Performance; Acoustic transducers; Arrays; Sound fields; Alignment; HydrophonesAbstract
The difference frequency sound field from two concentric but misaligned, axisymmetric, planar transducers in a nondissipative and nondispersive medium is developed as a special case of the general theory [Garrett et al., J. Acoust. Soc. Am. 75, 769–779 (1984)]. Effects of misalignment of pump, source, and hydrophone on the performance of the parametric receiving array are quantified in numerical examples. These include the effect of interaction in the nearfields of both pump and source transducers. The results show that the best performance is obtained for good alignment, high pump frequency, and placement of the hydrophone within or not far from the source nearfield.
Description
Author Posting. © Acoustical Society of America, 1987. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 82 (1987): 1753-1757, doi:10.1121/1.395168.
Collections
Suggested Citation
Journal of the Acoustical Society of America 82 (1987): 1753-1757Related items
Showing items related by title, author, creator and subject.
-
Observed limiting cases of horizontal field coherence and array performance in a time-varying internal wavefield
(Acoustical Society of America, 2008-08-28)Using a moored source and horizontal/vertical line array combination, horizontal coherence properties of high signal to noise ratio (>=20 dB) 100–1600 Hz signals have been measured. Internal waves in the area of the ... -
Performance analysis of adaptive equalization for coherent acoustic communications in the time-varying ocean environment
(Acoustical Society of America, 2005-07)Equations are derived for analyzing the performance of channel estimate based equalizers. The performance is characterized in terms of the mean squared soft decision error of each equalizer. This error is decomposed into ... -
Modeling acoustic propagation of airgun array pulses recorded on tagged sperm whales (Physeter macrocephalus)
(Acoustical Society of America, 2006-12)In 2002 and 2003, tagged sperm whales (Physeter macrocephalus) were experimentally exposed to airgun pulses in the Gulf of Mexico, with the tags providing acoustic recordings at measured ranges and depths. Ray trace and ...
