Evaluation of the Determinantal Polynomial of a Matrix of Polynomial Elements and an Application to AMTI Radar

by M. I. Liechenstein

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Presentation of a computational algorithm that provides a scheme for expanding the determinant of a matrix whose elements are polynomials of a common variable. The procedure, applicable to a variety of system analysis and optimizations where the requirement to resolve the coefficients of a determinantal polynomial is encountered, is specifically applied to this problem as it relates to the design equations for processors of signals in airborne moving target indicator (AMTI) pulse doppler radars. The relevance of the algorithm to the construction of AMTI systems with characteristics enhancing detection of objects over land is clarified by a discussion of a generalized delay-line canceler signal processing scheme.

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