NDLI: Design of X° rotating-scanning circular antenna array for synthetic aperture radiometer

Content Provider	IEEE Xplore Digital Library
Author	Weiying Sun Hao Liu Cheng Zhang Ji Wu
Copyright Year	2014
Description	Author affiliation: Key Lab. of Microwave Remote Sensing, Nat. Space Sci. Center, Beijing, China (Weiying Sun; Hao Liu; Cheng Zhang; Ji Wu)
Abstract	In recent years, a new scanning type, called rotating scanning, is introduced to synthetic aperture radiometer. In the literatures, synthetic aperture radiometer obtained spatial frequency samplings usually by 360° rotating-scanning circular antenna array. As the rotating-scanning angle of the antenna array is not 360°, how to obtain the even sampling points on the spatial frequency domain and decrease the system complexity is very important. In this paper, we focus on design of x° rotating-scanning circular antenna array, where x is in the range of 0 to 180. Firstly, the background is introduced. Secondly, the design requirements are analyzed, and the design strategy is proposed subsequently. Thirdly, 180°, 90° and 45° rotating-scanning circle antenna array are designed as examples via numerical simulating. The simulation results prove the validity of the design strategy. The design method can be used to optimize other similar rotating-scanning circular antenna array that with different rotating-scanning angle.
Sponsorship	IEEE Geosci. Remote Sens. Soc.
Starting Page	1925
Ending Page	1928
File Size	684998
Page Count	4
File Format	PDF
ISBN	9781479957750
DOI	10.1109/IGARSS.2014.6946835
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Antenna arrays Microwave radiometry Frequency-domain analysis Algorithm design and analysis Apertures circular antenna array design synthetic aperture radiometer rotating-scanning
Content Type	Text
Resource Type	Article

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