Browsing by Subject "Variable mode decomposition"

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    Joint multi-emitter signal seperation and angle of arrival estimation via variational mode decomposition
    (IEEE, 2017) Soğanlı, Abdurrahim; Arıkan, Orhan
    In this work, we propose a framework which separates multi-emitter signals arriving to uniform linear antenna receiver system. Proposed model uses a combination of variational mode decomposition (VMD) and space alternating expectation maximization (SAGE) algorithms. Former one separates emitter signals and estimates their frequencies while in the second part channel parameters (relative phases, angle of arrivals) are estimated using SAGE algorithm. Experimental results have showed that the proposed model can simultaneously estimates angle of arrivals of the multi-emitter signals working at the same frequencies.