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dc.contributor.authorJiang, Chao
dc.description.abstractElectromagnetic band-gap (EBG) structure [4] is formed by artificial periodic material or sometimes in non-periodic form, inspired from photonic crystal, that control/prohibit the propagation of electromagnetic waves in a specified band of frequency. These periodic materials are generically known as photonic band-gap (PBG) materials or photonic crystals. Although photonic refers to light, the principle of band-gap applies to electromagnetic waves of all wavelengths. Consequently, there is a controversy in the microwave community about the use of the term of photonic, and the name electromagnetic band-gap (EBG) material [5] or electromagnetic crystal is being proposed, Ground plane EBG structure is one of special EBG structure in which patterns are etched in the ground plane. These etched patterns disturb the current density distribution in the ground plane and also change electric field distribution. This kind of structure shows the ability to control/prohibit the electromagnetic wave propagation. Ground plane EBG structure can be categorized into three groups based on working principle and development progress. First category is called as dielectric PBG structure. The circle shape ground plane PBG filter was first discovered in periodic form and satisfied with Bragg condition. After this discovery, many different shapes of lattice EBG structures are published. At the same time overlapped/multiple period form of ground plane EBG structures were developed. To further improve the pass-band performance, tapering based ground plane filter are developed. It shows a good ability to reduce the ripple level in pass-banden_US
dc.format.extent79 p.en_US
dc.titleStudy on ground plane electromagnetic band-gap (EBG) structureen_US
dc.contributor.supervisorLee Yee Huien_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.degreeMaster of Science (Communications Engineering)en_US
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