Back Minimumpeilung German Escaneo cónico Spanish Radar à balayage conique French סריקה קונית HE Lobrotation Swedish
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Conical scanning is a system used in early radar units to improve their accuracy, as well as making it easier to steer the antenna properly to point at a target. Conical scanning is similar in concept to the earlier lobe switching concept used on some of the earliest radars, and many examples of lobe switching sets were modified in the field to conical scanning during World War II, notably the German Würzburg radar. Antenna guidance can be made entirely automatic, as in the American SCR-584. Potential failure modes and susceptibility to deception jamming led to the replacement of conical scan systems with monopulse radar sets. They are still used by the Deep Space Network for maintaining communications links to space probes.[1] The spin-stabilized Pioneer 10 and Pioneer 11 probes used onboard conical scanning maneuvers to track Earth in its orbit.[2]
- ^ Gawronski, Wodek; Craparo, Emily (December 2002), "Antenna Scanning Techniques for Estimation of Spacecraft Position" (PDF), IEEE Antennas and Propagation Magazine, 44 (6): 38–45, Bibcode:2002IAPM...44...38G, doi:10.1109/map.2002.1167263, ISSN 1045-9243
- ^ "Weebau Spaceflight Encyclopedia". 9 November 2010. Retrieved 11 January 2012.