1–20 von 164 Ergebnissen
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    On-board Processing Architecture of DLR's DBFSAR / V-SAR System

    Freier Zugriff
    Schlemon, Maron / Scheiber, Rolf / Baumgartner, Stefan V. et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2022
    For real-time Synthetic Aperture Radar applications, data must be processed and sent to the ground station efficiently. This paper ...
    Schlagwörter: Real-time SAR , SIMD for SAR , On-board SAR Processing

    F-SAR – DLR’s advanced airborne SAR system onboard DO228

    Freier Zugriff
    Horn, Ralf / Nottensteiner, Anton / Scheiber, Rolf | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2008
    The Microwaves and Radar Institute of the German Aerospace Center (DLR) is known for its consistent work on the field of airborne synthetic ...
    Schlagwörter: airborne SAR , F-SAR

    Experimental Performance Analysis of Digital Beam Forming on Synthetic Aperture Radar

    Freier Zugriff
    Kim, Junghyo / Younis, Marwan / Becker, Denis et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2008
    In this paper, we present the experimental results of a DBF performance to achieve High-Resolution Wide-Swath (HRWS) SAR concept. The ...
    Schlagwörter: SAR

    Efficient Fourier-Based Evaluation of SAR Focusing Kernels

    Freier Zugriff
    Prats-Iraola, Pau / Rodriguez-Cassola, Marc / De Zan, Francesco et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2014
    This contribution addresses the efficient evaluation of Fourier-based kernels for synthetic aperture radar (SAR) image formation. The goal ...
    Schlagwörter: SAR simulation , Synthetic Aperture Radar , SAR processing

    Recent Developments and Applications of Multi-Pass Airborne Interferometric SAR using the E-SAR System

    Freier Zugriff
    Scheiber, Rolf / Hajnsek, Irena / Horn, Ralf et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2008
    techniques and for the development of new applications based on the acquired multi parameter data sets. Spaceborne SAR system concepts and mission ...
    Schlagwörter: SAR

    Development of circularly polarized synthetic aperture radar onboard UAV for earth diagnosis

    Josaphat Tetuko Sri Sumantyo / Koo Voon Chet | Tema Archiv | 2012
    Circularly Polarized Synthetic Aperture Radar onboard Unmanned Aerial Vehicle (CP-SAR UAV) that is developed to retrieve the physical information of ...
    Schlagwörter: synthetisches Aperturradar , Radar mit synthetischer Apertur , SAR system

    Synthetic aperture radar for all weather penetrating UAV application (SARAPE) - project presentation

    Caris, Michael / Stanko, Stephan / Essen, Helmut et al. | Tema Archiv | 2012
    requirement for state-of-the-art synthetic aperture radar (SAR). Therefore, systems have to be of small size and low weight to fit in small aircrafts ...
    Schlagwörter: synthetisches Aperturradar , Radar , Radar mit synthetischer Apertur , European countries

    New Aspects of Very High-Resolution Spaceborne SAR Image Formation

    Freier Zugriff
    Prats-Iraola, Pau / Scheiber, Rolf / Rodriguez-Cassola, Marc et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2014
    This contribution addresses several important aspects that need to be considered for the processing of spaceborne SAR data with a ...
    Schlagwörter: Synthetic Aperture Radar

    SUMATRA - A UAV based miniaturized SAR system

    Stanko, Stephan / Johannes, Winfried / Sommer, Rainer et al. | Tema Archiv | 2012
    more important, especially on small scale. Modern synthetic aperture radar (SAR) systems are capable to provide high resolution images under ...
    Schlagwörter: synthetisches Aperturradar , Radar , Radar mit synthetischer Apertur , experimental radar

    AIS Assisted Identification and Refocussing of Ships in Airborne SAR Images

    Scheiber, Rolf / Kempen, Michel van | VDE-Verlag | 2018
    and AIS signal integrity. For this purpose DLR’s F-SAR system collected data at the North Sea coast. The AIS data at the time of overflight ...

    Foliage penetration effect on polarimetric SAR interferometry observation of forest

    Freier Zugriff
    Marino, Armando / Horn, Ralf / Viergever, Karin M. et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2008
    The capability of electromagnetic waves to penetrate trough foliage (FOLPEN), combined with the potentialities of the polarimetric SAR ...

    Wavelet-Based Compressed Sensing for SAR Tomography of Forested Areas

    Freier Zugriff
    Aguilera, Esteban / Nannini, Matteo / Reigber, Andreas | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2012
    by the E-SAR sensor of DLR. ...
    Schlagwörter: SAR tomography

    Relativistic Effects in Bistatic SAR Processing and System Synchronization

    Freier Zugriff
    Krieger, Gerhard / De Zan, Francesco | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2012
    This paper addresses relativistic effects in bistatic and multistatic SAR systems and missions. It is shown that the use of different ...

    3D subsurface SAR for humanitarian demining

    Sato, Motoyuki / Feng, Xuan / Takahashi, Kazunori | Tema Archiv | 2008
    system and sophisticated signal processing, ALIS can image buried landmine under strong clutter conditions. SAR (synthetic aperture radar) signal ...
    Schlagwörter: Clutter (Radar) , SAR-Radar , GPR (ground penetrating radar) , SAR-Signalverarbeitung

    MirrorSAR: A Fractionated Space Transponder Concept for the Implementation of Low-Cost Multistatic SAR Missions

    Freier Zugriff
    Krieger, Gerhard / Zonno, Mariantonietta / Mittermayer, Josef et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2018
    SAR missions. The key idea is based on a radical simplification of the receiver satellites by limiting their main functionality to a kind of ...
    Schlagwörter: fractionated SAR , NewSpace SAR , MIMO SAR. , bistatic SAR , multistatic SAR , distributed SAR

    Digital Beamforming and MIMO SAR: Review and New Concepts

    Freier Zugriff
    Krieger, Gerhard / Younis, Marwan / Huber, Sigurd et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2012
    Spaceborne Synthetic Aperture Radar (SAR) is a unique tool for large scale Earth observation, but the current generation of SAR sensors ...
    Schlagwörter: MIMO-SAR

    Non-nominal Experimental Bistatic SAR Acquisitions with TanDEM-X

    Freier Zugriff
    Rodriguez-Cassola, Marc / Prats, Pau / Schulze, Daniel et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2012
    elevation model (DEM) of the Earth surface by means of single-pass X-band SAR interferometry. Despite its usual quasi-monostatic configuration ...
    Schlagwörter: SAR

    Imaging of targets beneath foliage with SAR tomography

    Freier Zugriff
    Nannini, Matteo / Scheiber, Rolf / Horn, Ralf | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2008
    on a stack of coregistered SAR images. Retrieval of volume structure information (e.g. for forest classication) and the solution of the ...
    Schlagwörter: SAR

    Validation of ship monitoring techniques by present generation SAR systems

    Renga, Alfredo / Graziano, Maria Daniela / D'Errico, Marco et al. | Tema Archiv | 2012
    SAR products aided by AIS information. A validation of Wackrman's algorithm is also reported based on images of the Gulf of Naples gathered by ...
    Schlagwörter: Radar mit synthetischer Apertur

    Detection of Traffic Congestion in SAR Imagery

    Palubinskas, Gintautas / Runge, Hartmut | VDE-Verlag | 2008
    difficult accessible areas. Synthetic aperture radar (SAR) systems seem to be very promising due to their all-weather capability. We approach the ...