Antenna Monopulse Measurement Modeling and Calibration for Improved Tracking

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$600,000.00
Award Year:
1996
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
28722
Agency Tracking Number:
28722
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
75 Aero Camino, Suite A, Goleta, CA, 93117
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr. Arthur C. Ludwig
(805) 968-6787
Business Contact:
() -
Research Institute:
n/a
Abstract
In an effort to more cost-effectively utilize existing assets to perform more functions, there has been a growing interest in using conventional mechanical scanned monopulse radars (normally used only for tracking single targets) to simultaneously track multiple targets. In order to maintain acceptable track accuracy, the radar's monopulse traverse-elevation response must be carefully calibrated. The ALTAIR radar at Kwajalein Missile Range does not presently correct for off-boresight errors. Since the typical 15-minute pre-mission checkout is not adequate for full calibration, there is a need for a model that can be updated using limited pre-mission checkout data. A program is described for identifying, analyzing, and evaluationg candidate monopulse models and associated calibration procedures to permit accurate off-axis tracking of depolarizing targets. The proposed program addresses our approach for (1) making the necessary calibration measurements during pre-mission checkout, (2) updating candidate parameterized polarization models using the calibration measurements, and (3) extracting the depolarization corrections from the model using a simple algorithm.

* information listed above is at the time of submission.

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