Airborne Synthetic Aperture Radar: Systems, Processing, New Challenges and Opportunities
A special issue of Remote Sensing (ISSN 2072-4292). This special issue belongs to the section "Remote Sensing Image Processing".
Deadline for manuscript submissions: closed (30 December 2022) | Viewed by 9224
Special Issue Editors
Interests: synthetic aperture radar (SAR) remote sensing techniques and applications; SAR imaging algorithms; SAR signal processing; SAR tomography; SAR interferometry techniques and applications
Interests: microwave remote sensing and electromagnetics; signal processing; estimation of parameters from SAR data; SAR polarimetry; airborne SAR data processing; modeling of electromagnetic scattering from natural surfaces
Interests: airborne and satellite-borne SAR design; interferometry; ground based radars
Interests: SAR; airborne SAR data modeling and processing; modeling of electromagnetic scattering from natural surfaces; synthesis of antenna arrays, antenna measurements
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Special Issue Information
Dear Colleagues,
Synthetic aperture radar (SAR) systems mounted onboard aerial platforms, such as fixed-wing aircraft, helicopters, and unmanned aerial vehicles (UAV), are gaining increasing interest within the remote sensing community, since they offer complementary properties compared to spaceborne SAR systems, in terms of revisit time, operational flexibility, and observation capabilities. In addition, airborne SAR systems allow assessing the potentialities of novel technologies and/or measurement modalities before these are deployed operationally on spaceborne SAR missions.
These appealing features, along with the recent advancements in radar, navigation, and aeronautical technologies, are pushing the scientific community toward new challenges and opportunities in the field of airborne SAR. Emerging lightweight and compact SAR sensors can indeed be mounted onboard ever smaller, highly flexible, aerial platforms. This offers the opportunity to design new observation configurations based, for instance, on multifrequency, multiantenna or even multiplatform SAR systems.
Small aircraft are of key interest for new applications like high resolution, vegetation and subsurface tomography, with monostatic and bistatic SAR. Since the sensor trajectory of small aircraft can be strongly nonlinear, either due to turbulent tropospheric conditions, or even on purpose—e.g., to more closely follow a curvilinear feature of interest, or for circular and helicoidal SAR applications—SAR processing strategies need to be able to handle such flight paths. In addition, residual unknown platform motion beyond the accuracy provided by the navigation system may require adequate SAR-data-driven correction approaches.
The goal of this Special Issue is to gather recent scientific and technological advancements in the field of airborne SAR, in terms of system development, signal modeling, image formation, data processing, and resulting new applications.
Potential topics include but are not limited to:
- New airborne SAR systems;
- Navigation sensors and algorithms;
- Frequency-domain and/or time-domain approaches for airborne SAR focusing;
- Real-time SAR processing hardware and algorithms;
- Airborne monostatic and bistatic SAR imaging in nonconventional acquisition modes;
- Innovative data processing approaches;
- Airborne single-pass cross-track, along-track SAR interferometry;
- Airborne repeat-pass SAR interferometry and tomography;
- Cutting-edge airborne SAR applications;
- Experimental results based on airborne SAR data acquired in challenging operative scenarios;
- Curvilinear, circular and helicoidal SAR;
- Integration of multifrequency SAR data;
- Integration of spaceborne and airborne SAR data.
Dr. Antonio Natale
Dr. Joao Roberto Moreira Neto
Dr. Stefano Perna
Guest Editors
Manuscript Submission Information
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Keywords
- Synthetic aperture radar (SAR)
- Airborne SAR
- SAR processing
- Bistatic SAR
- SAR interferometry
- SAR tomography
- SAR applications
