发明名称 |
Tilt sensor for resolving left-right ambiguity in underwater acoustic detection systems |
摘要 |
A sensor for resolving the left-right ambiguity encountered in horizontal line hydrophone arrays consists of an orthogonal pair of dipole hydrophones, a monopole hydrophone, and a tilt sensor, the tilt sensor connecting the dipole hydrophones so as to provide a single dipole hydrophone which is always oriented horizontally. The tilt sensor consists of two variable capacitors made from hollow cylinders of high permittivity dielectric material, partially filled with a quantity of liquid mercury which forms the variable inner electrodes of the capacitors. The outer electrodes of the capacitors, on the outside of the cylinders, having a sinusoidally-shaped perimeter and being oriented at right angles to each other, are connected to the crossed dipoles in order to provide the required horizontal dipole hydrophone.
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申请公布号 |
US4800542(A) |
申请公布日期 |
1989.01.24 |
申请号 |
US19870120126 |
申请日期 |
1987.11.13 |
申请人 |
HER MAJESTY THE QUEEN IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE OF HER MAJESTY'S CANADIAN GOVERNMENT |
发明人 |
FRANKLIN, J. BARRIE;MCMAHON, GARFIELD W. |
分类号 |
G01C9/06;G01C9/20;(IPC1-7):G01V1/38;G01F23/26;H04R1/02 |
主分类号 |
G01C9/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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