Passive detection and ranging system
First Claim
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1. A PASSIVE DETECTION AND RANGING SYSTEM, COMPRISING:
- REFERENCE ANTENNA MEANS FOR SENSING DIRECT RADIATION PRODUCED BY AN EXTENAL NOISE MODULATED SOURCE AND GENERATING A REFERENCE OUTPUT SIGNAL;
SEARCH ANTENNA MEANS FOR SENSING REFLECTED RADIATION FROM A TARGET ILLUMINATED BY SAID EXTERNAL SOURCE RADIATION AND GENERATING A TARGET OUTPUT SIGNAL;
MEANS FOR RECEIVING AND AMPLIFYING SAID REFERENCE OUTPUT SIGNAL;
MEANS FOR RECEIVING AND AMPLIFYING SAID TARGET OUTPUT SIGNAL;
MEANS FOR PROVIDING A DIFFERENTIAL TIME DELAY BETWEEN SAID OUTPUT SIGNALS;
AND A CORRELATOR FOR CORRELATING SAID AMPLIFIED REFERENCE AND
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1 Claim
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1. A PASSIVE DETECTION AND RANGING SYSTEM, COMPRISING:
- REFERENCE ANTENNA MEANS FOR SENSING DIRECT RADIATION PRODUCED BY AN EXTENAL NOISE MODULATED SOURCE AND GENERATING A REFERENCE OUTPUT SIGNAL;
SEARCH ANTENNA MEANS FOR SENSING REFLECTED RADIATION FROM A TARGET ILLUMINATED BY SAID EXTERNAL SOURCE RADIATION AND GENERATING A TARGET OUTPUT SIGNAL;
MEANS FOR RECEIVING AND AMPLIFYING SAID REFERENCE OUTPUT SIGNAL;
MEANS FOR RECEIVING AND AMPLIFYING SAID TARGET OUTPUT SIGNAL;
MEANS FOR PROVIDING A DIFFERENTIAL TIME DELAY BETWEEN SAID OUTPUT SIGNALS;
AND A CORRELATOR FOR CORRELATING SAID AMPLIFIED REFERENCE AND
- REFERENCE ANTENNA MEANS FOR SENSING DIRECT RADIATION PRODUCED BY AN EXTENAL NOISE MODULATED SOURCE AND GENERATING A REFERENCE OUTPUT SIGNAL;
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Current AssigneeCarl A. Wiley
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Original AssigneeCarl A. Wiley
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InventorsWiley, Carl A.
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Application NumberUS04/103,019Time in Patent Office1,411 DaysField of SearchUS Class Current342/458CPC Class CodesG01S 11/02 using radio waves G01S19/00...G01S 13/003 Bistatic radar systems; Mul...G01S 13/46 Indirect determination of p...
