Optimal Radiation Pattern of the Element for a Spherical Phased Array With Hemispherical Scan Capability
| Autor: | Chandrakanta Kumar, B. Pavan Kumar, V. V. Srinivasan, V. Senthil Kumar |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Physics
business.industry Phased array 020208 electrical & electronic engineering Bandwidth (signal processing) 020206 networking & telecommunications 02 engineering and technology Polarization (waves) Directivity Radiation properties Radiation pattern Optics 0202 electrical engineering electronic engineering information engineering Trigonometric functions Helical antenna Electrical and Electronic Engineering business |
| Zdroj: | IEEE Antennas and Wireless Propagation Letters. 16:2780-2782 |
| ISSN: | 1548-5757 1536-1225 |
| Popis: | In this letter, very interesting characteristics of the element used in a spherical phased array antenna are described. From the analysis, it is deduced that the optimum pattern of the element that results in maximum array directivity is a cosine squared function. This is verified in two different array configurations-one with 32 elements and the other with 64 elements. A compact quasi-tapered helix antenna is designed at X-band, and its radiation properties are compared with the required performance. Helix antenna is selected as it can give good bandwidth and good polarization purity. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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