Other
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1111...35g&link_type=abstract
IN: Acquisition, tracking, and pointing III; Proceedings of the Meeting, Orlando, FL, Mar. 27-29, 1989 (A90-39001 17-17). Bellin
Other
Boresights, Charge Coupled Devices, Modal Response, Optical Measuring Instruments, Coordinate Transformations, Data Acquisition, Pointing Control Systems, Tracking (Position)
Scientific paper
Boresighting involves precisely transferring angular coordinates from one point to another, as in correlating directional information between optical telescopes or high-gain microwave antennas that are physically separated by a truss or support. Generally, the separating truss is not rigid to the accuracies required for precise alignment because of thermal, aerodynamic, and vibrational distortions typical of many practical environments. This paper presents a relatively simple concept for optically boresighting between any two points, in three degrees of angular freedom, and independent of the rigid body. Analyses and laboratory investigations indicate that submicroradian accuracies, data rates exceeding 100 Hz, and dynamic ranges of approximately + or - 5 milliradians, are feasible between points separated by over 10 m.
Ames Lawrence L.
Buholz Neal E.
Gillard Calvin W.
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