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DIRECTED ENERGY SYSTEM POINTING THROUGH GEOSYNCRONOUS POSITIONING SATELLITE INTERFEROMETRY

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: N/A
Agency Tracking Number: 5409
Amount: $622,000.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1988
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
809 N Royal St
Alexandria, VA 22314
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 David Oberg
 (703) 684-2900
Business Contact
Phone: () -
Research Institution
N/A
Abstract

CURRENT STUDIES CONCENTRATE ON GLOBAL POSITIONING SYSTEM (GPS) AS A SPACECRAFT ATTITUDE DETERMINATION TOOL. TWO GPS ANTENNAS RECEIVING THE SAME SIGNAL CAN COMPARE THEIR RELATIVE PHASES TO DETERMINE THE ANGLE BETWEEN THE TWO ANTENNAS AND THE GPS SATELLITE. BY COMPUTING THE ANGLE TO THREE OR MORE SATELLITES, THE COMPLETE INERTIAL ORIENTATION MAY BE DETERMINED. APPLYING ADVANCES IN GPS INTERFEROMETRY TO PRECISION POINTING OF DIRECTED ENERGY SYSTEMS LOCATED IN SPACECRAFT IS BEING INVESTIGATED. BY MEASURING THE ORIENTATION OF THE LASER ITSELF, MANY ERROR SOURCES SUCH AS GYROS, STAR TRACKERS, HORIZON SENSORS, GIMBAL PICK-OFFS, DEPLOYMENT MISALIGNMENT, AND STRUCTURAL BENDING MAY BE ELIMINATED OR REDUCED. THE RESULTING IMPROVEMENT IN POINTING ACCURACY DIRECTLY IMPROVES THE CHANCES OF HITTING AND DESTROYING THE TARGET, AND THUS IMPROVES THE UTILITY OF SPACE-BASED BALLISTIC MISSILE DEFENSE SYSTEMS. THE STUDY INCLUDES CONCEPT DEVELOPMENT, ERROR BUDGETING, AND TRADE-OFF ANALYSIS.

* Information listed above is at the time of submission. *

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