Effect of cascaded mushroom-like EBG structure on multual coupling of dual-band microstrip antenna

chen xi; liang changhong; liu songhua; liang le

Volume 22 Issue 10

Sep. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(10): 0-

zhou cheng, gao yan-xia, wang pei-ji. Analysis of second-harmonic conversion efficiency by type Ⅰ phase matching in uniaxial crystals[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

chen xi, liang changhong, liu songhua, et al. Effect of cascaded mushroom-like EBG structure on multual coupling of dual-band microstrip antenna[J]. High Power Laser and Particle Beams, 2010, 22.

zhou cheng, gao yan-xia, wang pei-ji. Analysis of second-harmonic conversion efficiency by type Ⅰ phase matching in uniaxial crystals[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

chen xi, liang changhong, liu songhua, et al. Effect of cascaded mushroom-like EBG structure on multual coupling of dual-band microstrip antenna[J]. High Power Laser and Particle Beams, 2010, 22.

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Effect of cascaded mushroom-like EBG structure on multual coupling of dual-band microstrip antenna

1.
National Key Laboratory of Antennas and Microwave Technology,Xidian University,Xi’an 710071,China

Publish Date: 2010-09-03

Abstract

Abstract

A uniform mushroom-like electromagnetic band-gap (EBG) structure can realize only one surface-wave suppression bandgap. Hence, two kinds of units with different parameters mushroom-like EBG structures are cascaded to realize the dual-band or broadband surface-wave suppression bandgap. This paper presents a dual-band EBG structure using cascaded mushroom-like structures with different patch sizes. Two kinds of uniform EBG structures are used to produce two suppression surface-wave bandgaps covering the two operating frequency respectively. The cascaded structure is integrated between slotted microstrip antennas. Simulation and experimental results show that the cascaded structure can suppress the surface-wave effectively and decrease the mutual coupling of the two operating frequencies at t
- microstrip antenna,
- dual-band,
- electromagnetic bandgap structure,
- surface-wave suppression bandgap,
- mutual coupling

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