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- W1625117550 abstract "The shaping of 2-D dual-reflector antenna systems to generate a prescribed distribution with uniform phase at the aperture of the second reflector is examined. This method is based on the geometrical nature of Cassegrain and Gregorian dual-reflector antennas. The method of syntheses satisfies the principles of geometrical optics which are the foundations of dual-reflector designs. Instead of setting up differential equations or heuristically designing the subreflector, a set of algebraic equations is formulated and solved numerically to obtain the desired surfaces. The caustics of the reflected rays from the subreflector can be obtained and examined. Several examples of 2-D dual-reflector shaping are shown to validate the study. Geometrical optics and physical optics are used to calculate the scattered fields from the reflectors." @default.
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- W1625117550 date "1987-12-01" @default.
- W1625117550 modified "2023-09-24" @default.
- W1625117550 title "A new approach for shaping of dual-reflector antennas" @default.
- W1625117550 hasPublicationYear "1987" @default.
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