Axial-Symmetric Diffraction Radiation Antenna with a Very Narrow Funnel-Shaped Directional Diagram
| Autor: | Nursaule Burambayeva, Merey Sautbekova, Assel Begimova, Nataliya P. Yashina, Yuriy K. Sirenko, Seil Sautbekov |
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| Rok vydání: | 2021 |
| Předmět: |
Diffraction
Technology axially symmetric radiators QH301-705.5 very narrow throat funnel-shaped radiation pattern QC1-999 Physics::Optics Radiation pattern Optics General Materials Science Biology (General) QD1-999 Instrumentation Fluid Flow and Transfer Processes Physics wave analog of Smith–Purcell radiation concentric grating business.industry Process Chemistry and Technology Attenuation General Engineering rigorous electrodynamic modeling radial dielectric waveguide Engineering (General). Civil engineering (General) Symmetry (physics) Computer Science Applications Chemistry Surface wave Harmonic TA1-2040 Antenna (radio) Axial symmetry business |
| Zdroj: | Applied Sciences, Vol 11, Iss 10381, p 10381 (2021) Applied Sciences Volume 11 Issue 21 |
| ISSN: | 2076-3417 |
| DOI: | 10.3390/app112110381 |
| Popis: | The paper is focused on reliable modeling and analysis of axially symmetric radiators with a very narrow (throat) funnel-shaped radiation pattern. When such a diagram is formed, a wave analogue of Smith–Purcell coherent radiation is realized—the surface wave of a radial dielectric waveguide ‘sweeps out’ with its exponentially decaying part a concentric periodic grating, the fundamental spatial harmonic of which, propagating without attenuation in a direction close to the symmetry axis of the structure, generates a radiation field with the required characteristics. |
| Databáze: | OpenAIRE |
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