This paper presents an investigation on scalloping correction in the TOPS imaging mode for SAR systems with electronically steered phased array antennas. A theoretical simulation of the scalloping is performed and two correction methods are introduced. The simulation is based on a general cardinal sine (sinc) antenna model as well as on the TerraSAR-X antenna model. Real TerraSAR-X data acquired over rainforest are used for demonstration and verification of the scalloping simulation and correction. Furthermore a calibration approach taking into account the special TOPS imaging mode properties is introduced.
Scalloping Correction in TOPS Imaging Mode SAR Data
IEEE Geoscience and Remote Sensing Letters ; 9 , 4 ; 614-618
2012-07-01
Article (Journal)
Electronic Resource
German
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