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10 November 2007Height corrected location algorithm analysis for emitter on Earth
When three satellites for passive location are used, if the height of terrain where the target locate changes greatly and the
height is assumed constant the height error will be increased. So the Least-square estimation method is presented, at the
same time in the process of algorithm iteration the target height can be inquired in the geography information system and
be corrected continuously, and the localization error is analyzed and simulated, the result indicates that the corrected
height error can improve the height precision, then improve the level precision, the improved the level precision will
improve the height precision, then the integral localization precision can be improved.
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Tingjun Li, Xinjv Cai, Shangao Li, Guowei Wang, Xiuli Zhao, "Height corrected location algorithm analysis for emitter on Earth," Proc. SPIE 6795, Second International Conference on Space Information Technology, 679535 (10 November 2007); https://doi.org/10.1117/12.774210