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Detector assembly for use in environments containing background magnetic noise and method thereof

Patent image
ARL

A method and system for detecting a signal source at a specified frequency in the presence of background noise includes a processor; a first sensor mounted at a first location operatively connected to the processor; a second sensor mounted at a second location operatively connected to the processor; the processor operating to compute the amplitudes of the first and second Fourier transforms of the outputs of the first and second sensors, respectively, the difference in the amplitudes of the first and second Fourier transforms being determinative of the existence of a signal being generated at the predetermined frequency.

Inventors: 
Edelstein, Alan S.
Patent Number: 
Technical domain: 
Sensors and Measurement
FIle Date: 
2010-07-02
Grant Date: 
2012-08-21
Grant time: 
781 days
Grant time percentile rank: 
14
Claim count percentile rank: 
6
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY