发明名称 |
MAGNETIC CROSSED-LOOP ANTENNA |
摘要 |
A novel magnetic crossed loop antenna system is provided for use with radio navigation signals, such as provided by two or more Loran-C transmitters, and in which each loop antenna is rapidly switched between the receiving channel and that of the other loop-antenna to enable the selection of one channel with the strongest signals from both transmitters, and through tuning the antenna to the Loran-C frequency and providing rate compensation and feedback to the antenna, optimum signal-to-noise ratio, sufficiently wide bandwidth to ensure time delay stability and attenuated amplifier noise are achieved, enabling greatly improved location and tracking.
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申请公布号 |
WO9818017(A1) |
申请公布日期 |
1998.04.30 |
申请号 |
WO1997IB01263 |
申请日期 |
1997.10.13 |
申请人 |
MEGAPULSE INC.;JOHANNESSEN, PAUL, R.;GREBNEV, ANDRE V. |
发明人 |
JOHANNESSEN, PAUL, R.;GREBNEV, ANDRE V. |
分类号 |
G01S1/24;G01S3/04;H01Q7/00;H01Q7/08;H04B7/08;(IPC1-7):G01S3/04 |
主分类号 |
G01S1/24 |
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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