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- W2133404884 abstract "Spatial time-frequency distributions (STFDs) have been introduced as the natural means to deal with source signals that are localizable in the time-frequency domain. It has been shown that improved estimates of the signal and noise subspaces are achieved by constructing the subspaces from the time-frequency signatures of the signal arrivals rather than from the data covariance matrices, which are commonly used in conventional subspace estimation methods. This paper discusses the application of STFD to high-resolution direction finding. We focus on both the role and the effect of crossterms in angle estimation when multiple time-frequency points are incorporated. Simulation examples are presented to compare the performance of joint block-diagonalization and time-frequency averaging techniques for incorporating multiple autoterm and crossterm points in subspace estimation." @default.
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- W2133404884 date "2002-11-08" @default.
- W2133404884 modified "2023-09-27" @default.
- W2133404884 title "Effects of crossterms on the performance of time-frequency MUSIC" @default.
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- W2133404884 doi "https://doi.org/10.1109/sam.2000.878055" @default.
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