A GENERALIZED NULL-SPECTRUM FOR DIRECTION-OF-ARRIVAL ESTIMATION

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A generalization of null-spectrum for the estimation of directions of arrival of signal sources is considered. The upper and lower bounds of a class of the generalized null-spectrum, the maximum and minimum null-spectra, are derived. The authors observe that the maximum null-spectrum has higher resolution capability than other null-spectra including the multiple signal classification and Min-Norm null-spectra. In addition, it is seen that the estimates of the direction of arrival obtained by using the maximum and multiple signal classification null-spectra have the same asymptotic distribution. Through computer simulation the probabilities of resolution of various null-spectra are obtained, from which they confirmed the resolution capability of the maximum null-spectrum.
Description
전기및전자공학과
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1994-02
Language
ENG
Article Type
Letter
Citation

IEEE TRANSACTIONS ON SIGNAL PROCESSING, v.42, no.2, pp.462-466

ISSN
1053-587X
URI
http://hdl.handle.net/10203/883
Appears in Collection
NE-Journal Papers(저널논문)
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