Method for selecting signals of opportunity for passive coherent location
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United States of America Patent
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Apr 14, 2020
Grant Date -
Mar 7, 2019
app pub date -
Sep 6, 2017
filing date -
Sep 6, 2017
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In Force
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Abstract
A signal evaluation system is provided for evaluating a first EM signal and a second EM signal for use in a passive coherent location system. The signal evaluation system includes: a spectrum detecting component that detects the first EM signal and the second EM signal; a signal characterization component that generates a first characterization of the first EM signal and to generate a second characterization of the second EM signal; and a ranking component that ranks the EM signals for use in the passive coherent location system. The first characterization is based on an amplitude associated with the first EM signal and one of range resolution, Doppler resolution, and combinations thereof associated with the first EM signal. The second characterization is based on an amplitude associated with the second EM signal and one of range resolution, Doppler resolution, and combinations thereof associated with the second EM signal.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY | ONE LIBERTY CENTER 875 NORTH RANDOLPH STREET SUITE 1425 OFFICE OF NAVAL RESEARCH ARLINGTON VA 22203-1995 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Chergui, Mohammed | San Diego, US | 1 | 1 |
# of filed Patents : 1 Total Citations : 1 | |||
Johnson, Nicholas T | San Diego, US | 4 | 1 |
# of filed Patents : 4 Total Citations : 1 | |||
Rockway, John D | San Diego, US | 17 | 99 |
# of filed Patents : 17 Total Citations : 99 | |||
Sternberg, Oren | San Diego, US | 8 | 6 |
# of filed Patents : 8 Total Citations : 6 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 14, 2027 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 14, 2031 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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