Estimation of Signal Source Direction-Finding and Position Error Using Combined Hydroacoustic Receivers
https://doi.org/10.17285/0869-7035.0017
Abstract
The paper considers the possibility of direction finding and determining the coordinates of a source of acoustic signal emitted by a surface or underwater moving object in the infrasonic frequency range. For this purpose, combined hydroacoustic receivers are used. In the first experiment, the estimates of the systematic component of the bearing error were obtained for a source emitting a tonal or polyharmonic signal, and the procedure of averaging the direction finding results over a set of frequencies was carried out. The obtained results were used in the second experiment to estimate the error of coordinates determined for a polyharmonic emitter consisting of three combined receivers which form a navigation base distributed in the horizontal plane.
About the Authors
B. A. Kasatkin
Institute of Marine Technology Problems, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
Russian Federation
Russian Federation
N. V. Zlobina
Institute of Marine Technology Problems, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
Russian Federation
Russian Federation
S. B. Kasatkin
Institute of Marine Technology Problems, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
Russian Federation
Russian Federation
D. V. Zlobin
Institute of Marine Technology Problems, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
Russian Federation
Russian Federation
G. V. Kosarev
Institute of Marine Technology Problems, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok
Russian Federation
Russian Federation
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Review
For citations:
Kasatkin B.A., Zlobina N.V., Kasatkin S.B., Zlobin D.V., Kosarev G.V. Estimation of Signal Source Direction-Finding and Position Error Using Combined Hydroacoustic Receivers. Giroskopiya i Navigatsiya. 2019;27(4):117-129. (In Russ.) https://doi.org/10.17285/0869-7035.0017
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