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Application of autocorrelation principles for evaluating the performance of radiating structures comprised of line source radiators

The performance of line source radiators is evaluated using autocorrelation principles. The radiated power, beamwidth variance, and gain-beamwidth product are defined in terms of autocorrelation functions, which eliminates the need to have a priori knowledge of the radiated pattern. Additionally, scanning radiating structures are evaluated using similar principles. Specifically, line sources with linearly varying phase and lineal arrays of elements with non-constant phase are considered.