A pure-Cartesian formulation for tracking filters |
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| Authors: | Gray RL |
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| Institution: | US Naval Surface Warfare Center, Dahlgren, VA; |
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| Abstract: | A pure-Cartesian formulation is presented for angle-only and angle-plus-range tracking filters. Unlike conventional angle-only filters, which use target elevation and bearing as measurements, the filter expresses the sensor measurements in Cartesian coordinates. Consequently, the filter performs equally well for any line-of-sight (LOS) geometry, even when target elevation approaches or is equal to ±90° |
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