document: Separation and tracking of multiple broadband sources with one electromagnetic vector sensor A structure for adaptively separating , enhancing and tracking uncorrelated sources with an electromagnetic vector sensor -LRB- EMVS -RRB- is presented . The structure consists of a set of parallel spatial processors , one for each individual source . Two stages of processing are involved in each spatial processor . The first preprocessing stage rejects all other sources except the one of interest , while the second stage is an adaptive one for maximizing the signal-to-noise ratio -LRB- SNR -RRB- and tracking the desired source . The preprocessings are designed using the latest source parameter estimates obtained from the source trackers , and a redesign is activated periodically or whenever any source has been detected by the source trackers to have made significant movement . Compared with conventional adaptive beamforming , the algorithm has the advantage that no a priori information on any desired signal location is needed , the sources are separated at maximum SNR , and their locations are available . The structure is also well suited for parallel implementation . Numerical examples are included to illustrate the capability and performance of the algorithm
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