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Radiation Patterns
January/February 1990 (vol. 10 no. 1)
pp. 41-49

An efficient computer graphics tool for investigating the radiation patterns of antennas as functions of their design parameters is presented. Radiation patterns (or the magnitudes of field distributions) of antennas are treated as three-dimensional surfaces, since the magnitudes of the far-field distributions are functions of polar and azimuthal angles. Two-dimensional GKS (Graphics Kernel Systems) routines and a shading scheme based on the full-wave solution of light scattering from rough surfaces are used to provide a realistic view on the computer screen. Different types of radiation patterns and their characteristics are discussed. A review of antenna fundamentals is included.

1. C.A. Balanis,Antenna Theory: Analysis and Design, Harper and Row, New York, 1983, Chaps. 6, 11, 12.
2. E. Bahar and S. Chakrabarti "Full-Wave Theory Applied to Computer-Aided Graphics of 3D Objects,"CG&A, Vol. 7, No. 7, July 1987, pp. 46-60.
3. J.G. Fiafconaro, "Two-Dimensional Non-Recursive Filters," inPicture Processing and Digital Filtering, T.S. Huang, ed., Springer-Verlag, New York, 1985, Chap. 3.

Citation:
Swapan Chakrabarti, J.C. Wong, Sivapasad Gogineni, Sungho Cho, "Radiation Patterns," IEEE Computer Graphics and Applications, vol. 10, no. 1, pp. 41-49, Jan.-Feb. 1990, doi:10.1109/38.45809
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