1 December 1991 Multifrequency beamspace Root-MUSIC: an experimental evaluation
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The performance of both single frequency and multifrequency Beamspace Root-MUSIC incorporating coherent signal subspace processing is assessed employing data from an experimental array referred to as the Multi-Parameter Adaptive Radar System (MARS). Beamspace Root-MUSIC is a recently developed computationally efficient beamspace implementation of MUSIC. The experiment that yielded the data to which Beamspace Root- MUSIC is applied emulated a low-angle radar tracking scenario with two coherent signals arriving within a beamwidth of each other at broadside. Accurate estimates are obtained with the incorporation of the multipath geometry as a-priori information in the form of the bisector angle.
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Michael D. Zoltowski, Michael D. Zoltowski, Gregory M. Kautz, Gregory M. Kautz, Seth D. Silverstein, Seth D. Silverstein, } "Multifrequency beamspace Root-MUSIC: an experimental evaluation", Proc. SPIE 1566, Advanced Signal Processing Algorithms, Architectures, and Implementations II, (1 December 1991); doi: 10.1117/12.49844; https://doi.org/10.1117/12.49844

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