Communications: directive radio wave systems and devices (e.g. – Transmission through media other than air or free space
Patent
1997-05-23
1999-06-15
Sotomayor, John B.
Communications: directive radio wave systems and devices (e.g.,
Transmission through media other than air or free space
342 27, 342176, G01V 312, G01S 1388
Patent
active
059126396
ABSTRACT:
In a ground penetrating radar system, A-scan images of subsurface targets lying along the antenna boresight axis can be substantially improved and generated in real-time by employing a synthetic aperture, end-fire array, despite the inhomogeneous nature of the subsurface volume. The synthetic aperture, end-fire array is achieved by generating electromagnetic (EM) ultra-wideband impulses at a number of precise locations along the antenna boresight access, shifting the returned EM signals in the time domain according to the corresponding antenna boresight location, and then integrating the shifted, returned EM signals.
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Power Spectra, Inc.
Sotomayor John B.
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