Positioning of airborne stereo SAR images with POS data and one GCP

Hongmin Zhang; Guowang Jin; Qing Xu; Zechao Bai

doi:10.1117/12.2245061

29 August 2016 Positioning of airborne stereo SAR images with POS data and one GCP

Hongmin Zhang, Guowang Jin, Qing Xu, Zechao Bai

Proceedings Volume 10033, Eighth International Conference on Digital Image Processing (ICDIP 2016); 100333P (2016) https://doi.org/10.1117/12.2245061
Event: Eighth International Conference on Digital Image Processing (ICDIP 2016), 2016, Chengu, China

Abstract

SAR can be used in topographic mapping at any time with all weather situations. In order to realize accurate surveying and mapping with SAR, a positioning scheme of airborne stereo SAR images with POS and one GCP (Ground Control Point) is proposed. In this scheme, the instantaneous position and velocity of antenna are obtained from the POS data, the close range and the Doppler center frequency are calibrated with only one GCP so as to realize accurate positioning of airborne stereo SAR images. The stereo SAR images obtained by Chinese airborne SAR system were utilized in positioning experiments. The errors of positioning were calculated and analyzed. The results demonstrated that the proposed scheme is valid.

Citation Download Citation

Hongmin Zhang, Guowang Jin, Qing Xu, and Zechao Bai "Positioning of airborne stereo SAR images with POS data and one GCP", Proc. SPIE 10033, Eighth International Conference on Digital Image Processing (ICDIP 2016), 100333P (29 August 2016); https://doi.org/10.1117/12.2245061

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KEYWORDS

Synthetic aperture radar

Doppler effect

Antennas

Calibration

Data centers

Control systems

Error analysis

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