THE BAND NOTCH SENSITIVITY OF VIVALDI ANTENNA TOWARDS CSRRS
Author(s) -
Xin Liu,
Zhenya Lei,
Rui Yang,
Jiawei Zhang,
Lei Chen,
Xianghui Kong
Publication year - 2013
Publication title -
progress in electromagnetics research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.245
H-Index - 33
ISSN - 1937-6480
DOI - 10.2528/pierl13080611
Subject(s) - vivaldi antenna , sensitivity (control systems) , antenna (radio) , engineering , telecommunications , electronic engineering , antenna measurement
Complementary split ring resonators (CSRRs) are applied on a UWB Vivaldi antenna to eliminate some unwanted narrow band services. Based on the sensitivity of band rejection, we successfully separate the whole radiating patch of a Vivaldi antenna into three subareas: The feeding area, where the Vivaldi antenna demonstrates a highly sensitive response to CSRRs with a narrow notching band; The transition-area, where CSRRs transfer a ultra wideband (UWB) Vivaldi into a narrow band antenna; and the rest area, where CSRRs are proved to have little efiects on the antenna bandwidth property. A band notch Vivaldi antenna with 4.8GHz to 5.4GHz rejection band is demonstrated to verify our study from both simulated and measured results.
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