Phd Thesis On Uwb Antenna

Phd Thesis On Uwb Antenna-83
11, 1465-1479, 2006.doi:10.1163/156939306779274318 6. Huang, "Wideband properties off ractal bowtie dipoles," J.

11, 1465-1479, 2006.doi:10.1163/156939306779274318 6. Huang, "Wideband properties off ractal bowtie dipoles," J.

Multifunctional apertures, advanced radars, software-defined radios, electronic countermeasure systems, and radio telescopes all demand wideband beamforming front ends.

Tightly Coupled Arrays (TCAs) have emerged as a very attractive option for these wideband systems, as they provide large bandwidths in low profile implementations.

As balanced feeding is a major challenge in UWB arrays, a version of the SESLA with an integrated feed is also presented.

The design uses a stripline-based folded Marchand balun.

Sambell, "A simple broadband printed antenna," Progress In Electromagnetics Research, Vol.

Bhattacharya, "Two new ultrawideband dual polarized antenna-feeds using planar log periodic antenna and innovative frequency independent reflectors," J. Hsu, "CPW-fed notched monopole antenna for umts/imt-2000/WLAN applications," J. Liang, J., "Antenna study and design for ultra wideband communication applications," Ph. Tang, "Band-notched ultrawideband planar-monopole antenna," Microwave and Optical Tech. Gong, "A band-notched UWB antenna," Microwave and Optical Tech. 10, 1411-1420, 2007.doi:10.1163/156939307783239401 10. Choi, "A Compact bandselective filter and antenna for UWB application," PIERS Online, Vol. 7, 1053-1057, 2007.doi:10.2529/PIERS061006225850 11. A very simple equivalent circuit is presented which is used to co-optimize the loading and the superstrate.The SESLA approach is validated through measurements of a 4x4 prototype array.By adjusting the slot length, the notched frequency band within the antenna's operating bandwidth can be easily controlled. Also, the time-domain behaviours are discussed and the fidelity factor is calculated.

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