PROBING THE FEED LINE PARAMETERS IN VIVALDI NOTCH ANTENNAS
نویسندگان
چکیده
منابع مشابه
Wideband Vivaldi Arrays for Large Aperture Antennas
Singleand dual-polarized arrays of Vivaldi notch elements have been extensively analyzed by using efficient numerical analyses. From these analyses and from experimental studies, element designs and array configurations have been determined to provide more than two octaves of bandwidth while scanning to 45° from broadside in all directions. Parameter studies illustrating the effects of some key...
متن کاملWideband Balanced Antipodal Vivaldi Antenna with Enhanced Radiation Parameters
A novel balanced antipodal Vivaldi antenna (BAVA) with high gain and enhanced radiation parameters is proposed in this paper. The outer edges of the flare are modified by a binomial curve to broaden the impedance bandwidth. A modified metal director is adopted to improve the antenna gain and beam-tilting. The measured results show that the proposed BAVA achieves a bandwidth from 2 to more than ...
متن کاملMeander Line Antennas
SkyCross' state-of-the-art antennas are smaller and can be embedded directly within the handset. In addition, they feature better gain and improved efficiency, resulting in longer battery life than other handsets currently available on the market today. Furthermore, MLA technology allows engineers to design ultra broadband antennas capable of operating at multiple frequencies and in a variety o...
متن کاملGain Enhancement of the Vivaldi Antenna with Band Notch Characteristics Using Zero-index Metamaterial
In this letter, a tapered slot ultrawide band (UWB) Vivaldi antenna with enhanced gain having band notch characteristics in the WLAN/WiMAX band is presented. In this framework, a reference tapered slot Vivaldi antenna is first designed for UWB operation that is, 3.1–10.6 GHz using the standard procedure. The band-notch operation at 4.8 GHz is achieved with the help of especially designed comple...
متن کاملEvla Memo 69 Focal Plane Array Beam-forming and Spill-over Cancellation Using Vivaldi Antennas
Phased-array feeds are possibly the best option for the 240 to 1200 MHz band on VLA antennas due to their wide bandwidth and relatively small size. One of the greatest assets of these antennas is the ability to produce a shaped beam by appropriately phasing the elements allowing in some cases nearly uniform aperture illumination with minimal ground-directed spillover. The beam-forming propertie...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Progress In Electromagnetics Research B
سال: 2008
ISSN: 1937-6472
DOI: 10.2528/pierb07102702