OPTIMIZATION OF THE GEOMETRY OF DISTRIBUTED APERTURE RECEIVERS.
TEXAS UNIV AUSTIN ELECTRONICS RESEARCH CENTER
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This research analytically develops an optimal spatial distribution of aperture for enhancing array reception. The optimization is carried out for three types of noise fields and for both spatially constrained and spatially unconstrained array element geometry. The noise fields considered are those due to 1 noise sources uniformly distributed in a volume around the array isotropic noise, 2 noise sources uniformly distributed on an unbounded plane, and, 3 directive noise fields such as due to a point source. The optimality criterion employed is minimization of the detection error probability for the array situation. For a phased array this is equivalent to maximization of the array detectability gain function which has the effect of maximizing the predetection signal-to-noise ratio. Situations under which such a criterion is valid are discussed and the associated time-optimal receiver structures for these situations are given. Author
- Electrical and Electronic Equipment