Abstract

The mapping of extended, cultural ground targets by an airborne radar is examined, using communication theory techniques including the concepts of the antenna transfer function and the target spatial frequency spectrum. The targets are specified directly in terms of their spatial frequency spectra, and the transfer functions are those which correspond to the Taylor one-parameter line sources. The results indicate that resolution for a particular class of ground targets can be better than is predicted by the Rayleigh two-point resolution criterion and that the shape of the antenna images can be quite independent of the choice of radiation pattern.

© 1965 Optical Society of America

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