NDLI: Parabolic profile pyramidal horn antenna with lower phase centre variation and 3 dB beamwidth in S-band

Content Provider	IET Digital Library
Author	Baghel, Amit Kumar Kulkarni, Shashank Nayak, Sisir Kumar
Abstract	A parabolic profile pyramidal horn antenna with flaring in both the E- and H-plane is presented in this study. The proposed structure having aperture dimensions of 518.10 × 408.36 mm2 is designed and fabricated for S-band (2.2–3.3 GHz). Due to increase in the flaring by 3.35 ° in the E-plane and 3.18 ° in the H- plane compared to the optimal typical pyramidal horn antenna (TPHA), a half-power beamwidth (HPBW) of less than 16.20 ° in both the planes with higher gain is achieved in the proposed antenna. The maximum phase centre (PC) variation, phase and amplitude variation of the electric field across the aperture in the proposed design are half compared to TPHA throughout the band, thus having good PC stability and lower phase error. The cross-polarisation level and the measured return loss of <25 and 15 dB, respectively, is achieved throughout the band, thus providing a good impedance matching and single dominant mode of propagation, i.e. TE10. With the lower HPBW and higher gain, the proposed antenna can be used in applications where point directive beam is required such as wireless power transfer to charge sensors and batteries of quad-copter and so on.
Starting Page	1626
Ending Page	1636
Page Count	11
ISSN	17518725
Volume Number	13
e-ISSN	17518733
Issue Number	Issue 10, Aug (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/13/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2018.5824
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2019-05-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplitude Variation Electromagnetic Wave Polarisation Frequency 2.2 GHz to 3.3 GHz Half-power Beamwidth Horn Antenna Impedance Matching Loss 15 DB Optimal Typical Pyramidal Horn Antenna Parabolic Profile Pyramidal Horn Antenna Phase Centre Variation Phase Error S Band Single Antenna
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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