| Autor: |
Singhwal, Sumer Singh, Kanaujia, Binod Kumar, Singh, Ajit, Kishor, Jugul |
| Předmět: |
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| Zdroj: |
Microwave & Optical Technology Letters; Jul2019, Vol. 61 Issue 7, p1821-1827, 7p, 3 Color Photographs, 2 Diagrams, 2 Charts, 9 Graphs |
| Abstrakt: |
In this article, a novel, simple, and compact structure of dielectric resonator antenna is proposed, which provides wide bandwidth across proposed mm wave band for microwave image sensing with considerable gain using a lossy FR‐4 epoxy substrate and thick FR4 as DRA. A DR can be excited using four‐line feed using a circular loop type feed network. These line feeds maintain phase difference of 90° to produce CP. This antenna provides approximate constant gain of 8.6 dB on 25‐26 GHz band and 3 dB axial ratio bandwidth is almost 1 GHz from 25.2 to 26.2 GHz, Impedance bandwidth of the proposed antenna is 3 GHz (24‐27 GHz). This antenna can be used in microwave image sensing and wearable sensors applications, due to its compactness (30 × 30 mm2), in mm wave band. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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