A novel L/C-band dual-polarized half-perforated antenna element for SAR arrays

Author

Meng, C. -X ; Shen, W. -H ; Sun, Z. ; Zhong, S. -S ; Esselle, K.P.

Author_Institution

Sch. of Commun. & Inf. Eng., Shanghai Univ., Shanghai, China

fYear

2011

Firstpage

701

Lastpage

704

Abstract

A novel “half-perforated” structure is proposed to conceive a dual-band dual-polarized antenna element design, aiming to broaden the impedance bandwidth in the lower band while keeping the antenna profile low. According to the simulations conducted using Ansoft HFSS 11.0, the impedance bandwidth (|S₁₁|≤ -10dB) can be increased to 12.8% in the lower L-band, making it closer to that of the upper C-band (16.8%). Moreover, good radiation performance is maintained in both low and high-frequency bands. Hence the new concept is suitable for Synthetic Aperture Radar (SAR) antenna applications.

Keywords

antenna arrays; antenna radiation patterns; multifrequency antennas; radar antennas; synthetic aperture radar; Ansoft HFSS 11.0; L-band; L/C-band dual-polarized half-perforated antenna element; SAR antenna; SAR arrays; antenna profile; dual-band dual-polarized antenna element design; half-perforated structure; high-frequency band; impedance bandwidth; low-frequency band; lower band; radiation performance; synthetic aperture radar antenna; Antenna arrays; Bandwidth; Dual band; L-band; Microstrip; Microstrip antennas; SAR application; dual-band; dual-polarization; half-perforated; impedance bandwidth; microstrip antenna;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference Proceedings (APMC), 2011 Asia-Pacific

Conference_Location

Melbourne, VIC

Print_ISBN

978-1-4577-2034-5

Type

conf

Filename

6173847