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OPTIMUM SPATIAL PROCESSING IN A NOISY ENVIRONMENT FOR ARBITRARY ANTENNA ARRAYS SUBJECT TO RANDOM ERRORS,
SYRACUSE UNIV N Y DEPT OF ELECTRICAL ENGINEERING
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The report presents a procedure for the maximization of the expected signal-to-noise ratio improvement factor for arbitrary antenna arrays whose excitation amplitudes and phases as well as element positions are subject to random errors. The formation in its general form imposes no restrictions on either the probability distribution or the variance of the random errors. Correlations are allowed to exist between the random variations in array parameters, and the effect of system internal noise is considered. Computed results for a linear, endfire array in a typical noise environment are given which illustrate the dependence of the expected value and the standard deviation of the signal-to-noise ratio improvement factor on the system internal noise, the system bandwidth, the amplitude, phase and position errors, and the error correlation intervals. Typical expected power pattern functions are also plotted. Author
APPROVED FOR PUBLIC RELEASE