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2 109 307

(13)

(51)

IPC

(21) (22)

Application

96122673/09, 1996-11-21

(22)

Actual filing date

1996-11-21

(45)

Published

1998-04-20

(72)

Inventor

Sokolov A.G.Popov V.P.Martynenko M.A.Degtjarev G.M.Ignashov V.A.Pavlovskij Ju.N.Leonov N.V.

(73)

Holder

Nauchno-Issledovatel'Skij Tsentr Mo Rf

METHOD OF IDENTIFICATION OF SMALL-SIZE UNDERWATER OBJECTS BY TYPE OF MATERIAL Russian patent published in 1998 - IPC

Abstract RU 2109307 C1

FIELD: hydroacoustics. SUBSTANCE: resonant frequencies of amplitude-frequency characteristic of inherent component of object pulse characteristics invariant to irradiation foreshortening are measured. In addition, values of first differences of these characteristics associated with elastic properties of object material, namely with Poisson's ratio and Young's modulus are measured. EFFECT: improved identification. 2 dwg, 1 tbl

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RU 2 109 307 C1

Authors

Sokolov A.G.

Popov V.P.

Martynenko M.A.

Degtjarev G.M.

Ignashov V.A.

Pavlovskij Ju.N.

Leonov N.V.

Dates

1998-04-20—Published

1996-11-21—Filed