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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 32 — Nov. 10, 2012
  • pp: 7810–7819

Modeling and validation of photometric characteristics of space targets oriented to space-based observation

Hongyuan Wang, Wei Zhang, and Aotuo Dong  »View Author Affiliations


Applied Optics, Vol. 51, Issue 32, pp. 7810-7819 (2012)
http://dx.doi.org/10.1364/AO.51.007810


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Abstract

A modeling and validation method of photometric characteristics of the space target was presented in order to track and identify different satellites effectively. The background radiation characteristics models of the target were built based on blackbody radiation theory. The geometry characteristics of the target were illustrated by the surface equations based on its body coordinate system. The material characteristics of the target surface were described by a bidirectional reflectance distribution function model, which considers the character of surface Gauss statistics and microscale self-shadow and is obtained by measurement and modeling in advance. The contributing surfaces of the target to observation system were determined by coordinate transformation according to the relative position of the space-based target, the background radiation sources, and the observation platform. Then a mathematical model on photometric characteristics of the space target was built by summing reflection components of all the surfaces. Photometric characteristics simulation of the space-based target was achieved according to its given geometrical dimensions, physical parameters, and orbital parameters. Experimental validation was made based on the scale model of the satellite. The calculated results fit well with the measured results, which indicates the modeling method of photometric characteristics of the space target is correct.

© 2012 Optical Society of America

OCIS Codes
(120.5700) Instrumentation, measurement, and metrology : Reflection
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(350.6090) Other areas of optics : Space optics
(290.1483) Scattering : BSDF, BRDF, and BTDF

ToC Category:
Materials

History
Original Manuscript: July 16, 2012
Revised Manuscript: September 28, 2012
Manuscript Accepted: October 2, 2012
Published: November 8, 2012

Citation
Hongyuan Wang, Wei Zhang, and Aotuo Dong, "Modeling and validation of photometric characteristics of space targets oriented to space-based observation," Appl. Opt. 51, 7810-7819 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-32-7810

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