Airborne SAR: Data Processing, Calibration and Applications

Dear Colleagues,

Over the last two decades, synthetic aperture radar (SAR) became an indispensable source of information in Earth observation. New spaceborne SAR sensors, providing new innovative imaging modes and much enhanced image quality and resolution are becoming more and more available. A major driver for this development has been and still is the airborne SAR technology. Airborne SAR is commonly ahead of the abilities of spaceborne sensors by several years, in order to provide a test-bed for new imaging techniques and data processing approaches, as well as for implementing and validating new remote sensing applications. Additionally, airborne SAR is a valuable tool of itself, used in various scientific studies and with its own particular fields of application.

Processing and calibration of airborne SAR data is a challenge. This is due to the unstable motion of the sensor platform, but also due to experimental cutting-edge hardware, new imaging techniques opening new questions, as well as particular conditions during flight campaign execution. Various new applications of airborne SAR have been established in the last years, often requiring precise data calibration and sophisticated data post-processing.

This Special Issue aims to highlight the recent advances in processing and calibration of airborne SAR data, as well as to point out new fields of application of airborne SAR. Topics include, but are not limited to:

• New airborne SAR sensor technology
• New imaging modes of airborne SAR
• Airborne SAR data calibration
• Processing and post-processing of airborne SAR
• Applications of airborne SAR and their validation

Prof. Dr. Andreas Reigber
Ms. Yunling Lou
Dr. Hélène Oriot
Guest Editors

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