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EURASIP Journal on Advances in Signal Processing
Fig. 1 | EURASIP Journal on Advances in Signal Processing

Fig. 1

From: Biquaternion beamspace with its application to vector-sensor array direction findings and polarization estimations

Fig. 1

Direction finding with four sources in the presence of noncoherent noise: a direction finding using the LV-MUSIC estimator when γ=π/4,η=−π/2, b direction finding using the DOA-LV-MUSIC estimator, c direction finding using the DOA-P-BB-MUSIC estimator, d direction finding using the DOA-BB-MUSIC estimator when γ≠π/4,η≠−π/2, e direction finding using the DOA-BB-MUSIC estimator when γ=π/4,η=−π/2, f direction finding using the DOA- BB-MUSIC estimator when γ=π/4,η=−π/2, g the sum of the spectrums in d–f, and h direction finding using the QQ-MUSIC estimator

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