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- W2360702785 abstract "An algorithm of broadband minimum variance distortionless response(MVDR) based on the frequency energy normalization was proposed.It is the algorithm flow that every narrowband frequency component of the broadband signal is normalized by the total narrowband energy of all array elements,the narrowband output power is calculated by MVDR,final spatial energy spectrum can be obtained by averaging or summing all results of every narrowband frequency bin.Any prior-information about the noise or the signal is unnecessary for the proposed algorithm.The processing gain of the proposed algorithm compared to the conventional broadband MVDR can be obtained as long as the amplitude fluctuation of the array noise frequency spectrum is severer than that of the target signal.Based on the optimal signal detection theory,the validity of the proposed algorithm was validated in theory.Simulation and real data are used to validate the effectiveness of the algorithm.The analysis results show that the processing gain can be improved by 4 dB with the proposed algorithm compared with the conventional one." @default.
- W2360702785 created "2016-06-24" @default.
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- W2360702785 date "2008-01-01" @default.
- W2360702785 modified "2023-09-23" @default.
- W2360702785 title "Adaptive Beamformer Based on the Frequency Energy Normalization" @default.
- W2360702785 hasPublicationYear "2008" @default.
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