Estimation of signal parameters via rotational invariance techniques
Signal processing method / From Wikipedia, the free encyclopedia
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Estimation theory, or estimation of signal parameters via rotational invariant techniques (ESPRIT), is a technique to determine the parameters of a mixture of sinusoids in background noise. This technique was first proposed for frequency estimation.[1] However, with the introduction of phased-array systems in everyday technology, it is also used for angle of arrival estimations.[2]
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