Estimates of the error caused by atmospheric turbulence in determining an object's motion speed using a digital camera

M. T. Valley; V. V. Dudorov; V. V. Kolosov; G. A. Filimonov

doi:10.1117/12.723058

1 November 2006 Estimates of the error caused by atmospheric turbulence in determining object's motion speed using a digital camera

M. T. Valley, V. V. Dudorov, V. V. Kolosov, G. A. Filimonov

Author Affiliations +

Proceedings Volume 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics; 65220P (2006) https://doi.org/10.1117/12.723058
Event: Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 2006, Tomsk, Russian Federation

Abstract

The paper considers the error caused by atmospheric turbulence, in determining the motion speed of an object by using its successive images recorded on a matrix of a digital camera. Numerical modeling of the image of a moving object in successive time moments is performed. Fluctuation variance of the image mass centre affecting the measurement error is calculated. Error dependences on the distance to the object and path slope angle are obtained for different turbulence models. Considered are the situations, when the angular displacement of the object between two immediate shots of the digital camera is greater than the isoplanatism angle as well as the situations when the angular displacement is smaller than this angle.

Citation Download Citation

M. T. Valley, V. V. Dudorov, V. V. Kolosov, and G. A. Filimonov "Estimates of the error caused by atmospheric turbulence in determining object's motion speed using a digital camera", Proc. SPIE 6522, Thirteenth Joint International Symposium on Atmospheric and Ocean Optics/ Atmospheric Physics, 65220P (1 November 2006); https://doi.org/10.1117/12.723058

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