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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5608–5616

Moment-matching method for extracting beam jitter and boresight in experiments with satellites of small physical cross section

Venkata S. Rao Gudimetla and Jim F. Riker  »View Author Affiliations


Applied Optics, Vol. 46, Issue 23, pp. 5608-5616 (2007)
http://dx.doi.org/10.1364/AO.46.005608


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Abstract

The boresight and atmospheric jitter errors in a satellite tracking experiment are currently estimated by matching the probability density function (PDF) of the received signal counts with a set of PDFs of the signal for several combinations of jitter and boresight errors and then the best choice of jitter and boresight error is accepted via the χ-square test. Here a technique that can estimate atmospheric beam jitter and boresight error directly in a satellite active tracking experiment using the moments of the returns off the satellites is proposed. That is, we use the theoretical PDF for the signal return from a small target and compute the corresponding theoretical PDF moments. We can then form a few equations from these moments with only two unknowns, namely, the jitter and boresight. Solving for the unknowns is then unambiguous and very rapid. The method is valid for small physical cross-section targets and has been verified by using simulation and experimental data. Extending the case to asymmetric jitter and asymmetric boresight is possible.

© 2007 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.5630) Instrumentation, measurement, and metrology : Radiometry
(130.6750) Integrated optics : Systems

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: January 10, 2007
Revised Manuscript: May 7, 2007
Manuscript Accepted: May 11, 2007
Published: August 8, 2007

Citation
Venkata S. Rao Gudimetla and Jim F. Riker, "Moment-matching method for extracting beam jitter and boresight in experiments with satellites of small physical cross section," Appl. Opt. 46, 5608-5616 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-23-5608


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