Publications

BIRD, TS 1985, 'ACCURATE ASYMPTOTIC SOLUTION FOR THE SURFACE FIELD DUE TO APERTURES IN A CONDUCTING CYLINDER', IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, vol. 33, no. 10, pp. 1108-1117.
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Braun, RM & Downing, B 1985, 'Injection-lock Bandwidth Extension By Control Modulation And Current Hump Slope Detection', Electronics Letters, vol. 21, no. 13, pp. 564-566.
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ZIOLKOWSKI, RW 1985, 'EXACT-SOLUTIONS OF THE WAVE-EQUATION WITH COMPLEX SOURCE LOCATIONS', JOURNAL OF MATHEMATICAL PHYSICS, vol. 26, no. 4, pp. 861-863.
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ZIOLKOWSKI, RW 1985, 'N-SERIES PROBLEMS AND THE COUPLING OF ELECTROMAGNETIC-WAVES TO APERTURES - A RIEMANN-HILBERT APPROACH', SIAM JOURNAL ON MATHEMATICAL ANALYSIS, vol. 16, no. 2, pp. 358-378.
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Bird, TS 1985, 'MUTUAL COUPLING IN WAVEGUIDE-FED PARALLEL PLATE LENSES.', IREECON International (Convention Digest) (Institution of Radio and Electronics Engineers Australi, pp. 936-939.
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An element-by-element analysis of mutual coupling in waveguide-fed parallel plate lenses is described which uses solutions for the surface field excited by a magnetic dipole on a concave cylindrical conductor. Coupling coefficients computed by this method are compared with measured results for a circular and a Rotman lens.

Bird, TS & Poulton, GT 1985, 'ENVELOPE-CONSTRAINED PATTERN SYNTHESIS FOR SATELLITE ANTENNAS.', IREECON International (Convention Digest) (Institution of Radio and Electronics Engineers Australi, pp. 567-570.
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Two techniques are compared for contoured beam design for on-board satellite antennas with constraints on both co-polar and cross-polar pattern envelopes. The techniques are based respectively on a penalty function approach and the method of successive projections and are applied to an array-fed single-offset reflector antenna producing a beam covering the south-east region of Australia.