Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Ildar R. Urazghildiiev"'
Publikováno v:
IEEE Journal of Oceanic Engineering. 46:1302-1312
Publikováno v:
IEEE Journal of Oceanic Engineering. 46:1057-1067
The problem of estimating bearings of impulsive wideband acoustic signals produced by vocalizing animals and received by a compact array of synchronized sensors is addressed. The accuracy provided by the maximum-likelihood (ML), the beamformer (BF),
Publikováno v:
The Journal of the Acoustical Society of America. 148:278-291
The problem of estimating spatial distribution and density of vocalizing marine animals is addressed. The proposed solution is based on using a fixed compact array of synchronized hydrophones and statistically optimal detection and estimation algorit
Publikováno v:
IEEE Journal of Oceanic Engineering. 45:1091-1098
The problem of passive acoustic estimating the position of a source using a network of synchronized underwater compact arrays is considered. Maximum-likelihood estimators using angle of arrival (AOA), time difference of arrival (TDOA), as well as a c
Publikováno v:
IEEE Journal of Oceanic Engineering. 43:1134-1142
Compact arrays of acoustic sensors can provide bearing measurements of detected sounds. An important application for compact arrays is estimating the motion parameters of sources. This work considers the problem of bearings-only estimating of the pos
Publikováno v:
The Journal of the Acoustical Society of America. 139:2532-2540
Northwest Atlantic cod (Gadus morhua) have been heavily overfished in recent years and have not yet recovered. Passive acoustic technology offers a new approach to identify the spatial location of spawning fish, as well as their seasonal and long ter
Publikováno v:
The Journal of the Acoustical Society of America. 143(5)
The problem of estimating the number of sound-producing sources detected using a compact array of hydrophones is addressed. Closed form expressions representing the techniques of automatic detection and estimation of the number of callers are given.
Autor:
Ildar R. Urazghildiiev
Publikováno v:
The Journal of the Acoustical Society of America. 136:2851-2860
Statistical characteristics of signal trains produced by North Atlantic right whales (NARW) during the winter and early spring in Cape Cod Bay, MA are described. Data analysis was based on four days of acoustic recordings that were obtained with sync
Publikováno v:
The Journal of the Acoustical Society of America. 141(4)
The problem of estimating the azimuth and elevation angle of a sound source using a compact array of hydrophones is addressed. The closed-form representations for several time-difference of arrival (TDOA) based estimators are given, and their accurac
Autor:
Renata S. Sousa-Lima, Ildar R. Urazghildiiev, Karina R. Groch, Paulo A. C. Flores, Susan E. Parks
Publikováno v:
The Effects of Noise on Aquatic Life II ISBN: 9781493929801
This study investigates the role of behavioral plasticity in the variation of sound production of southern right whales (Eubalaena australis) in response to changes in the ambient background noise conditions. Data were collected from southern right w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68a10f1c4f7621bcfa0a9488debf6bdb
https://doi.org/10.1007/978-1-4939-2981-8_99
https://doi.org/10.1007/978-1-4939-2981-8_99