Title :
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
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;
Conference_Titel :
Microwave Conference Proceedings (APMC), 2011 Asia-Pacific
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-1-4577-2034-5
