A Modified Vivaldi Antenna for Improved Angular-Dependent Fidelity Property
Joint Authors
Zeng, Zhi
Zhang, Qinyu
Xu, Ke
Song, Zhaohui
Source
International Journal of Antennas and Propagation
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-05-27
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
The analysis, design, and realization of a modified Vivaldi antenna optimized for time domain fidelity factor in the half-space located in the direction of the antenna main beam are presented.
The proposed antenna shows improved angular-dependent fidelity property, with respect to the signal transmitted in the main beam direction.
A substantial increase in the fidelity factor is achieved by utilizing spatial filter effect introduced by adding two dielectric slabs parallel to the antenna substrate.
By choosing optimal dimensions and location of the slabs, the signal waveforms in the mentioned half-space are equalized so as to improve the quality of the radiated signal waveform in the main beam direction.
As a result, the fidelity property in the half-space is improved greatly.
The simulated and measured fidelity factor in the angular operational region is studied and compared with experimental measurements.
The ranges with the fidelity factor better than the value of 0.9 are improved by 95% in H-plane and by 14% in E-plane, respectively.
American Psychological Association (APA)
Zeng, Zhi& Xu, Ke& Song, Zhaohui& Zhang, Qinyu. 2013. A Modified Vivaldi Antenna for Improved Angular-Dependent Fidelity Property. International Journal of Antennas and Propagation،Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-459147
Modern Language Association (MLA)
Zeng, Zhi…[et al.]. A Modified Vivaldi Antenna for Improved Angular-Dependent Fidelity Property. International Journal of Antennas and Propagation No. 2013 (2013), pp.1-7.
https://search.emarefa.net/detail/BIM-459147
American Medical Association (AMA)
Zeng, Zhi& Xu, Ke& Song, Zhaohui& Zhang, Qinyu. A Modified Vivaldi Antenna for Improved Angular-Dependent Fidelity Property. International Journal of Antennas and Propagation. 2013. Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-459147
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-459147