Orbit Determination Before Detect: Orbital Parameter Matched Filtering for Uncued Detection
This paper presents a novel algorithm to incorporate orbital parameters into radar ambiguity function expressions by extending the standard ambiguity function to match Keplerian two-body orbits. A coherent orbital matched-filter will maximise a radar's sensitivity to objects in orbit, as well a...
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Zusammenfassung: | This paper presents a novel algorithm to incorporate orbital parameters into
radar ambiguity function expressions by extending the standard ambiguity
function to match Keplerian two-body orbits. A coherent orbital matched-filter
will maximise a radar's sensitivity to objects in orbit, as well as provide
rapid initial orbit determination from a single detection. This paper then
shows how uncued detection searches can be practically achieved by
incorporating radar parameters into the orbital search-space, especially for
circular orbits. Simulated results are compared to results obtained from
ephemeris data, showing that the orbital path determined by the proposed
method, and the associated radar parameters that would be observed, match those
derived from the ephemeris data. |
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DOI: | 10.48550/arxiv.2003.03947 |