elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Contact | Deutsch
Fontsize: [-] Text [+]

Design of an Airborne SLAR Antenna in X-Band

Limbach, Markus (2007) Design of an Airborne SLAR Antenna in X-Band. Wave Propagation in Communication, Microwaves Systems and Navigation (WFMN), 2007-07-04 - 2007-07-05, Chemnitz, Deutschland.

[img]
Preview
PDF - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
1MB

Abstract

Considerable interest has been developed recently in pollution surveillance in ocean regions with microwave radar systems. SLAR- systems appears to be extremely useful for the wide range detection of oil pollution on sea surface. The paper describes first steps and results in the development of an airborne x-band antenna for a real aperture side looking radar systems. A slotted waveguide design is suitable to meet the requests of high power and high gain capability. For proper resolution the antenna azimuth beamwidth should be less than 0.6 degree because the maximum operational distance is 40km. Therefore the length of the real aperture has to be about 120 to 150 wavelengths long. Changes in mechanical structure due to temperature drift, wind load and vibrations could lead to distortions of the antenna’s directivity function. To prevent for these degradations the slotted waveguide antenna is designed as an array of small radiating elements with a standing wave configuration, feed by a waveguide, guiding a travelling wave. General design parameters are presented and the concept of the SLAR antenna is shown.

Document Type:Conference or Workshop Item (Speech)
Title:Design of an Airborne SLAR Antenna in X-Band
Authors:
AuthorsInstitution or Email of Authors
Limbach, MarkusUNSPECIFIED
Date:September 2007
Refereed publication:No
In ISI Web of Science:No
Status:Published
Keywords:SLAR, X-Band, Slotted Waveguide Antenna
Event Title:Wave Propagation in Communication, Microwaves Systems and Navigation (WFMN)
Event Location:Chemnitz, Deutschland
Event Type:international Conference
Event Dates:2007-07-04 - 2007-07-05
Organizer:VDE ITG Commission 7.5 "Wave Propagation"
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Microwaves and Radar Institute > SAR Technology
Deposited By: Markus Limbach
Deposited On:08 Feb 2008
Last Modified:12 Dec 2013 20:26

Repository Staff Only: item control page

Browse
Search
Help & Contact
Informationen
electronic library is running on EPrints 3.3.12
Copyright © 2008-2012 German Aerospace Center (DLR). All rights reserved.