Method and system for producing images of an object

Details Method and system for producing images of an object Method and system for producing images of an object

1998-01-06

1999-09-07

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Synthetic aperture radar

342453, 34235701, G01S 1300

Patent

active

059493640

ABSTRACT:
A method and system are provided to produce images of an object. A receiving station is positioned in view of a range-coded signal emitting satellite and the object. The receiving station is sensitive to direct transmission of the range-coded signal and reflections of the range-coded signal from the object. Both range from the receiving station to the object and a Doppler frequency shift history between the receiving station and the object is determined using the direct transmission and reflections of the range-coded signal. An image is formed using the two-dimensional record provided by the range and the Doppler frequency shift history.

REFERENCES:
patent: H1181 (1993-05-01), Rihaczek
patent: 4828382 (1989-05-01), Vermilion
patent: 4990922 (1991-02-01), Young et al.
patent: 5438337 (1995-08-01), Aguado
patent: 5469167 (1995-11-01), Polge et al.

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