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Wideband direction-of-arrival estimation using frequency-domain frequency-invariant beamformers: an analysis of performance

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3 Author(s)
Do-Hong, T. ; Inst. for High-Frequency Eng., Munich Univ. of Technol., Germany ; Demmel, Franz ; Russer, P.

This paper presents an extension of the wideband direction-of-arrival estimation method using frequency-domain frequency-invariant beamformers (Do-Hong et al., 2003) with an analysis of performance. An asymptotic expression for the root-mean-square error and a resolution threshold of signal-to-noise-ratio for resolving directions of sources are shown. A comparison of analysis and simulation as well as numerical results are also presented.

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Microwave and Wireless Components Letters, IEEE  (Volume:14 ,  Issue: 8 )