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This paper proposes a new method for feature extraction and recognition, namely, the fuzzy bidirectional maximum margin criterion (FBMMC) based on the maximum margin criterion and fuzzy set theory. In FBMMC, a membership grade matrix is calculated by the FKNN algorithm, and then the membership grades are incorporated into the formulation of the scatter matrices to formulate the row and column directional...
Many of the DOA methods such as MUSIC, ESPRIT and ML are applicable only to narrowband signal sources. However, in many case, using information from multiple frequency bins in a wideband methods is necessary to achieve the processing gain needed to obtain good estimates. A beam-space genetic algorithm (BGA) is introduced for direction of arrival (DOA) estimation of wideband signals in this paper....
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