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1 October 1990 Object track closed form solution in angle-space
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Conventional practice in single-sensor passive track is to fit azimuth-elevation object observations with polynomials in the early stages of track initialization. At least three and usually more observations are fitted to quadratic polynomials before they are accepted for testing with a six dimensional model. This paper develops an alternative to these polynomials based on closed-form solutions of the trajectories in angle-space. This paper is applicable when both the sensor and target are in free fall. The approach relies on a flat-earth assumption to achieve the solutions. Experimental comparisons are made with the polynomial fit method.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Thomas R. Blackburn "Object track closed form solution in angle-space", Proc. SPIE 1305, Signal and Data Processing of Small Targets 1990, (1 October 1990);

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