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Vollelektronisches Abbildungsverfahren für die Mikrowellenradiometrie durch Frequenzvariation und Apertursynthese

Schreiber, Eric (2014) Vollelektronisches Abbildungsverfahren für die Mikrowellenradiometrie durch Frequenzvariation und Apertursynthese. Dissertation, Karlsruher Instituts für Technologie.

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The development of mechanical and electronic microwave imaging systems with high frame rates will now be pursued for over 15 years, and there exist several different technically challenging imaging techniques with impressive frame rates. However, imaging microwave radiometer systems do not have the use like infrared cameras. This is not related to the information content of the radiometric images, but only on the compactness of the device, coupled with the frame rate, the spatial resolution, the field of view and of course the cost. In this work it is shown that a new fully electronic microwave imaging system can be realized with a combination of the method of aperture synthesis and the directional beam steering by frequency shift, based on a slotted-waveguide antenna. This makes it possible to implement a cost-effective imaging system, which has a high frame rate, high angular resolution, a wide field of view and a compact system structure at once.

Item URL in elib:https://elib.dlr.de/90021/
Document Type:Thesis (Dissertation)
Title:Vollelektronisches Abbildungsverfahren für die Mikrowellenradiometrie durch Frequenzvariation und Apertursynthese
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:June 2014
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:234
Keywords:Radiometry, aperture synthesis, correlation, visibility-function, frequency dependent scanning, imaging system, slotted-waveguide antenna, fully-electronic, broadband
Institution:Karlsruher Instituts für Technologie
Department:Fakultät für Elektrotechnik und Informationstechnik
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Security-relevant Earth Observation
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Schreiber, Eric
Deposited On:06 Nov 2014 10:35
Last Modified:06 Nov 2014 10:56

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