Senthil Kumar, - and Priyesh, - and Singh, Hema and Jha, RM (2009) A study of Dolph-Chebyshev spherical phased antenna array for wave propagation and aerospace applications. Technical Report. National Aerospace Laboratories, Bangalore.
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The spherical antenna array is a preferred choice for the applications where wide angle scanning is desired. The Dolph-Chebyshev method for beampattern design provides a minimum null-to-null beamwidth fora given sidelobe level. This distribution has direct control over the main-lobe width and maximum sidelobe level. In this report, an attempt is made to generate radiation pattern of spherical antenna array using Dolph-Chebyshev's amplitude distribution. The amplitude excitations are obtained by exploiting the similarity of Legendre polynomials, used for beampattern of spherical array and Chebyshev polynomials, used for Dolph-Chebyshev pattern. This has wide application in wave propagation and aerospace engineering.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Spherical array;Dolph-Chebyshev beampattern;Chebyshev coefficient;Legendre coefficient;Radiation pattern |
| Subjects: | ENGINEERING > Electronics and Electrical Engineering |
| Division/Department: | Aerospace Electronics and Controls Division, Aerospace Electronics and Controls Division, Aerospace Electronics and Controls Division, Aerospace Electronics and Controls Division |
| Depositing User: | Mr. Guest NAL |
| Date Deposited: | 22 Jul 2010 09:10 |
| Last Modified: | 22 Jul 2010 09:10 |
| URI: | http://nal-ir.nal.res.in/id/eprint/8629 |
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