Active impulse magnetometer with bipolar magnetic impulse genera

Details Active impulse magnetometer with bipolar magnetic impulse genera Active impulse magnetometer with bipolar magnetic impulse genera

1995-03-17

1996-06-11

O'Shea, Sandra L.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

With radiant energy or nonconductive-type transmitter

324329, 324239, 361152, G01V 308, G01V 312

Patent

active

055259073

ABSTRACT:
An active impulse magnetometer includes a magnetic field transmitter which generates a low frequency magnetic impulse waveform. A separate magnetometer receiver responds to the transmitted waveform, and produces a receive waveform which is transformed by a Fast Fourier Transform device into the frequency domain. The transformed signal is processed to indicate the presence of any detected objects.

REFERENCES:
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patent: 4605898 (1986-08-01), Aittoniemi et al.
patent: 4697146 (1987-09-01), Extance et al.
patent: 4866424 (1989-09-01), Parks
patent: 4868504 (1989-09-01), Johnson
patent: 4920317 (1990-04-01), Lescourret
patent: 4924448 (1990-05-01), Gaer
patent: 5025218 (1991-06-01), Ramstedt

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