On Reducing the Field Strength in the Fresnel Zone of an Antenna.
ROME AIR DEVELOPMENT CENTER GRIFFISS AFB N Y
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This report has studied the possibility of reducing the mean squared field strength over some region in the Fresnel zone of an antenna without significantly distorting its radiation pattern. For a high-gain antenna it has been found that there is significant radiation pattern distortion if attempts to reduce the mean squared Fresnel field, over a region several or more wavelengths in extent, by more than about a factor of 2.
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