Method and system for calibrating radar altimeters

Details Method and system for calibrating radar altimeters Method and system for calibrating radar altimeters

2007-01-16

2008-11-04

Sotomayor, John B (Department: 3662)

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

Determining distance

Altimeter

C342S121000, C342S173000, C342S174000

Reexamination Certificate

active

07446697

ABSTRACT:
A method for calibrating an altimeter is disclosed. The method comprises monitoring signal strength of one or more altitude measurements. Based on the signal strength, the method applies piecewise linear altitude correction to the one or more altitude measurements to generate altitude correction data. The method further determines a goodness-of-fit for the altitude correction data. The altitude correction data maintains a correct altitude measurement in the presence of variable signal strength.

REFERENCES:
patent: 3340529 (1967-09-01), Blitz
patent: 3341849 (1967-09-01), Cordry et al.
patent: 7239266 (2007-07-01), Vacanti
patent: 2006/0212257 (2006-09-01), Makela et al.
Honeywell International Inc., “The HG7808 Radar Altimeter Module”, Jun. 13, 2003, 2 pgs., Publisher: Honeywell International Inc.

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