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Microwave Radar Signature Acquisition of Urban Structures

Kempf, Timo and Peichl, Markus and Dill, Stephan and Süß, Helmut (2007) Microwave Radar Signature Acquisition of Urban Structures. In: ITG WFMN07 - Wave Propagation in Communication, Microwave Systems and Navigation. ITG WFMN07 - Wave Propagation in Communication, Microwave Systems and Navigation, 2007-07-04 - 2007-07-05, Chemnitz.

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Global and reliable reconnaissance using remote sensing techniques requires a weather and time independent detection, recognition, and identification capability for objects of interest. A space-borne high resolution SAR system in a spotlight mode can be an appropriate instrument. In the design phase of such a mission the availability of representative radar data from ground measurements is important for the analysis, the understanding simulation of complex target signatures, and for reference signatures used in automatic target recognition (ATR). Inverse SAR (ISAR) imaging allows the collection of very precise two-dimensional high-resolution radar signatures from objects. For a space-borne radar system, the imaging geometry is similar and differs only by a geometrical transformation. With ISAR high resolution images in the decimetre range are accomplished by rotating an object on a turntable with respect to a spatially fixed broadband radar system, and by recording a sequence of corresponding radar range returns within a specific azimuth angle area. Especially target recognition by radar in urban environment is challenging due to several image confusing effects like multi-path reflections, overlay, and shadowing. In order to support SAR simulation tools with measured data of urban elements, tower-turntable ISAR experiments have been performed on walls of miscellaneous building materials. Following an introduction of the measurement setup and the image processing, this paper shows some first results.

Item URL in elib:https://elib.dlr.de/50011/
Document Type:Conference or Workshop Item (Speech)
Title:Microwave Radar Signature Acquisition of Urban Structures
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:ITG WFMN07 - Wave Propagation in Communication, Microwave Systems and Navigation
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iDORCID Put Code
Keywords:ISAR imaging, urban structures
Event Title:ITG WFMN07 - Wave Propagation in Communication, Microwave Systems and Navigation
Event Location:Chemnitz
Event Type:international Conference
Event Dates:2007-07-04 - 2007-07-05
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Projekt sicherheitsrelevante Erdbeobachtung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Kempf, Timo
Deposited On:19 Jul 2007
Last Modified:06 May 2011 09:22

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