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circular fractalultra-wideband (UWB)multiple-input multiple-output (MIMO)defected ground structure (DGS)In this article, a dual-port aperture-coupled circular fractal antenna array is designed, developed and tested for its usage in 4G, WLAN, radar, satellite and ISS communication systems, covering ...
Asymmetric and Compact DGS Configuration for Circular Patch With Improved Radiationsdoi:10.1109/lawp.2019.2962569Chandrakanta KumarDebatosh GuhaIEEE
DGS with different shapes like circular and rectangular is used to obtain the comparative results. The comparative results explain that the proposed reshaped circular patch antenna has a better antenna gain and an even wider bandwidth as of the previous structure without the implementation of DGS. ...
In this case, the transmitter diameter was varied from 0.8 to 50.8 mm in order to cover the range of typical transducers used in PEUT. These also characterized the reflection from a circular flaw of various sizes for the backward path in PEUT. The construction methods of earlier DGS diagrams...