Volume 6 Issue 6
Dec.  2013
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SUN Hui. Target localization and error analysis of airborne electro-optical platform[J]. Chinese Optics, 2013, 6(6): 912-918. doi: 10.3788/CO.20130606.912
Citation: SUN Hui. Target localization and error analysis of airborne electro-optical platform[J]. Chinese Optics, 2013, 6(6): 912-918. doi: 10.3788/CO.20130606.912

Target localization and error analysis of airborne electro-optical platform

doi: 10.3788/CO.20130606.912
  • Received Date: 16 Sep 2013
  • Rev Recd Date: 17 Nov 2013
  • Publish Date: 10 Dec 2013
  • On the basis of the characteristics of an airborne electro-optical platform, six coordinate systems were established and eight linear coordinate transformations were performed. A coordinate transformation model from a camera sensor plane to geodetic coordinate systems was established by using linear coordinate transformation, and the computation formula of geodetic coordinate of the target was derived based on the transformation of different coordinates. The influence of target localization due to various error factors was discussed, and the localization error was analyzed with Mont Carlo method. The experimental results show that the target location is affected by aircraft position errors, aircraft attitude errors and EO platform pose errors, among which the aircraft position errors are transferred directly into the target location, and the aircraft attitude errors and EO platform pose errors are tranferred scaling with the range of 10-4~10-2 to the target location. This method is efficient and useful to the localization of targets for airborne EO platforms.

     

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