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A rotational high-resolution SAR on a tower at multi-frequencies
- Authors
- Hwang, J.-H.; Kwon, S.-G.; Oh, Y.
- Issue Date
- 2012
- Publisher
- IEEE
- Keywords
- FDTD; HPS tower platform; Rotational SAR (RotSAR); RotSAR image resolutions
- Citation
- International Geoscience and Remote Sensing Symposium (IGARSS), pp.6891 - 6894
- Journal Title
- International Geoscience and Remote Sensing Symposium (IGARSS)
- Start Page
- 6891
- End Page
- 6894
- ISSN
- 0000-0000
- Abstract
- A rotational SAR system with the HPS (Hongik Polarimetric Scatterometer) tower platform for multi-frequency bands is presented in this paper. It was designed to obtain high-resolution SAR images using the existing tower platform of HPS and, in additional, 1.6m sub-arm for rotational synthetic aperture. Rotational SAR system was compared to the conventional SAR system using FDTD (finite-difference time-domain) simulations. Performances were measured at L-, C-, and X-bands by analysis of the reconstructed SAR images. Measured resolutions which are extracted from IRF (impulse response function) of targets in the rotational SAR images are (14.8cm, 9.2°) (7.2cm, 4°) and (5.1cm, 2.1°) in range- and cross-range directions at L-, C-, and X-bands, respectively. © 2012 IEEE.
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