Comparative study of tracking performance in an airborne tracking radar simulator using global positioning system versus monopulse radar techniques

Joseph H. Nguyen; William D. Holley; Garry Gagnon

doi:10.1117/12.156611

1 October 1993 Comparative study of tracking performance in an airborne tracking radar simulator using global positioning system versus monopulse radar techniques

Joseph H. Nguyen, William D. Holley, Garry Gagnon

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Proceedings Volume 1950, Acquisition, Tracking, and Pointing VII; (1993) https://doi.org/10.1117/12.156611
Event: Optical Engineering and Photonics in Aerospace Sensing, 1993, Orlando, FL, United States

Abstract

This paper attempts to address the tracking accuracy between the two systems under test. A monopulse radar model was developed to theoretically calculate the would-be measured angle and angle variances. Essentially, measurements of the target's angle, angle variances, range and range rate from the monopulse radar receiver of an aircraft are assessed against the tracking performance of an airborne simulator which uses the time, space, position information (TSPI) delivered from a global positioning system (GPS) system. The accuracy of measurements from a monopulse radar primarily depends on the signal-to-noise ratio (SNR), distance from target in this case, but information received from the GPS Space Vehicle would be virtually jamfree, and independent of distance. Tracking using GPS data however requires good data link between airborne participants. The simulation fidelity becomes an issue when the target is in close range track. The monopulse random slope error and target glint become significant, while the resolution from GPS data links remains the same.

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Joseph H. Nguyen, William D. Holley, and Garry Gagnon "Comparative study of tracking performance in an airborne tracking radar simulator using global positioning system versus monopulse radar techniques", Proc. SPIE 1950, Acquisition, Tracking, and Pointing VII, (1 October 1993); https://doi.org/10.1117/12.156611

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KEYWORDS

Global Positioning System

Radar

Receivers

Signal to noise ratio

Signal processing

Antennas

Satellites

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