A high gain aperture match parabolic horn antenna with stable phase center and higher FBR in S‐band

This paper presents an aperture matched parabolic pyramid horn antenna (APPHA) having flaring in the E‐ and H‐ plane. The proposed structure is designed and manufactured for S‐band (2.2–3.3 GHz) with a semicircular aperture matched section in both planes. The APPHA gives half power beam width (HPBW)...

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Vydáno v:Microwave and optical technology letters Ročník 63; číslo 8; s. 2179 - 2185
Hlavní autoři: Baghel, Amit Kumar, Kulkarni, Shashank Satish, Nayak, Sisir Kumar
Médium: Journal Article
Jazyk:angličtina
Vydáno: Hoboken, USA John Wiley & Sons, Inc 01.08.2021
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Témata:
Apertures
Batteries
front to back lobe ratio
gain improvement
half power beam‐width
High gain
Horn antennas
Impedance matching
phase Centre variation
Wireless power transmission
ISSN:0895-2477, 1098-2760
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Shrnutí:This paper presents an aperture matched parabolic pyramid horn antenna (APPHA) having flaring in the E‐ and H‐ plane. The proposed structure is designed and manufactured for S‐band (2.2–3.3 GHz) with a semicircular aperture matched section in both planes. The APPHA gives half power beam width (HPBW) less than 17° and 15° in the E‐ and H‐ planes, respectively due to the parabolic profile and aperture match section. An average improvement in front to back ratio and gain is 18.53 dB and 1.45 dBi, respectively compared to the conventional pyramidal horn antenna. The maximum variation in the phase center is also 2.8 cm. The measured return loss and cross‐polarization of less than 12 and 20 dB, respectively, is seen throughout the band, thus providing a good impedance matching. The proposed antenna having higher gain and lower HPBW can be used for wireless power transfer applications due to point directive beam to charge the batteries of quad‐copter, sensors as well as being a good candidate for parabolic dish reflector feed.
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ISSN:0895-2477
1098-2760
DOI:10.1002/mop.32869