IEEE Antennas and Propagation Magazine

Issue 6 • Dec. 1992

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Displaying Results 1 - 6 of 6
  • Circular polarization for remote sensing of precipitation: polarization diversity work at the National Research Council of Canada

    Publication Year: 1992, Page(s):7 - 16
    Cited by:  Papers (8)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1125 KB)

    The precipitation radar work carried out at Ottawa, Ontario, by the National Research Council of Canada (NRC), using dual-channel circularly-polarized radars, is described. This work, and concurrent work by NRC on weather clutter suppression for centimeter-wavelength military radars, included both theory and equipment developments. The discussion covers the early years (1956-66), the NRC Ku-band p... View full abstract»

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  • Japanese radar development prior to 1945

    Publication Year: 1992, Page(s):17 - 22
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1133 KB)

    Early work on magnetrons and on radar for the Japanese Navy is summarized. The development, during World War II, of microwave radars for various warships and for land-based use, is discussed. Research on super-high-power-output magnetrons for shooting down aircraft is described. Radar for the Japanese army is also described.<> View full abstract»

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  • Self-complementary antennas

    Publication Year: 1992, Page(s):23 - 29
    Cited by:  Papers (126)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (609 KB)

    A series of studies of self-complementary antennas are summarized, emphasizing work performed by the author. Expressions for the electromagnetic fields of a pair of dual structures are given, and input impedances for complementary structures are obtained. Self-complementary structures and their constant-impedance properties are discussed. Multiterminal self-complementary planar antennas, three-dim... View full abstract»

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  • MUfs and MOFs and LUFs and LOFs

    Publication Year: 1992, Page(s):68 - 73
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (879 KB)

    One purpose of this column, "Stand on Standards," is to discuss antenna and propagation terms of controversy, with a goal of soliciting comments for the Subcommittees on Definitions, which are working toward standardized definitions. As noted in my column on fading (in the August, 1992, issue of the Magazine), this can be rather dry and tedious work which is not of great general interest. While th... View full abstract»

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  • Antenna designer's notebook-nomograms speed EMC calculations

    Publication Year: 1992, Page(s):40 - 42
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (260 KB)

    Electromagnetic compatibility calculations are addressed with particular reference to test requirements of Directive 89/336/EEC on Electromagnetic Compatibility. The author explains why a simplified procedure is desirable and provides such a procedure, using nomograms. The first nomogram calculates the relationship among the diameter of an assumed circular antenna, the frequency of operation, and ... View full abstract»

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  • EM programmer's notebook-benchmark plate radar targets for the validation of computational electromagnetics programs

    Publication Year: 1992, Page(s):52 - 56
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (452 KB)

    In February, 1989, a Computational Electromagnetics (CEM) validation measurement program was initiated by the Electromagnetic Code Consortium (EMCC), to fabricate and test several small radar cross-section (RCS) range models, in order to generate RCS reference data for validating existing and future codes. As part of the validation effort, the EMCG defined various sets of three- and two-dimensiona... View full abstract»

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