<Tr> <Td> </Td> <Td> This article provides insufficient context for those unfamiliar with the subject . Please help improve the article with a good introductory style . (October 2009) (Learn how and when to remove this template message) </Td> </Tr> <P> In estimation theory, estimation of signal parameters via rotational invariant techniques (ESPRIT) is a technique to determine parameters of a mixture of sinusoids in a background noise . </P>

Estimation of signal parameters via rotational invariance technique