NDLI: A compact dual-polarized multibeam phased-array architecture for millimeter-wave radar

Content Provider	IEEE Xplore Digital Library
Author	Schulwitz, L. Mortazawi, A.
Copyright Year	1963
Abstract	A broad-band dual-polarized phased array is presented, which allows for independent beam control of the vertical and horizontal polarization with multibeam scanning in azimuth and elevation. The system is based upon a compact tray architecture with element spacing of 0.6/spl lambda/. Using stereolithography, a miniature dual-polarized waveguide front end was fabricated, which provides a low-loss transition to the microstrip phase-shifting circuitry. A p-i-n diode switch followed by a low-noise amplifier is implemented for each tray to allow for the electronically controlled beam scanning with a 49/spl deg/ field of view. The phased array demonstrates broad-band characteristics from 34 to 40 GHz with better than 20-dB cross-polarization signal discrimination.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	3588
Ending Page	3594
Page Count	7
File Size	1027037
File Format	PDF
ISSN	00189480
Volume Number	53
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Millimeter wave radar Phased arrays Switches Polarization Azimuth Stereolithography Waveguide transitions Microstrip Circuits P-i-n diodes waveguide arrays Antenna array feeds beam steering phased arrays polarimetric radar stereolithography
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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