of imaging applications such as vision, safety, health, environmental studies, security and non-destructive testing. Millimeter-wave imaging systems have been conventionally used for high end applications implementing sophisticated and expensive technolo-gies. Recent advancements in the silicon integrated

-fed transient element for a UWB antenna array operating in the mm-wave frequencies, to be realised in LTCC technology. Theoretical analysis of carried out prior to the final antenna design of three candidate antennas viz. Vivaldi, Stacked Patch and the Shielded butterfly antenna considered suitable to meet

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In spite of the great progress in performance achieved during the last few years, GaN high electron mobility transistors (HEMTs) still have several important issues to be solved for millimeter-wave (30 ~ 300 GHz) applications. One of the key challenges is to improve its high frequency

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for interpreting the development of cost and management accounting in Northeast coal mining during the British Industrial

accounting history of the British

techno-economic paradigms

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