Self-calibrating interferometric synthetic aperture radar...

Details Self-calibrating interferometric synthetic aperture radar... Self-calibrating interferometric synthetic aperture radar...

2007-05-15

2007-05-15

Tarcza, Thomas H. (Department: 3662)

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

Synthetic aperture radar

C342S02500R, C342S120000, C342S123000, C342S135000

Reexamination Certificate

active

10437836

ABSTRACT:
A synthetic aperture radar system uses RF bandwidth and Doppler beam sharpening principles to develop fine altitude and along-track resolutions. To achieve accurate cross-track position measurements the system and method exploit a combination of modes based on a novel antenna pattern combination. The unique arrangement of the antenna patterns allows the radar to process terrain elevation measurements in three independent modes, namely, time-delay response (TDR), amplitude monopulse (AM) and phase monopulse (PM). The additional modes address the interfering scatter problem and the calibration issues required for practical and cost effective operation. The approach also maximizes the number of terrain measurements made per look, thereby reducing the impact of errors and noise through averaging and “voting” (i.e., the comparison of measurements and discarding of “outliers”).

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Skolnik , Merril I. “Introduction to Radar systems” Third Edition, 2001, pp. 213-224.

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