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Although there are studies in literature using different number of seeds with different arrangements, especially line and rectangular, it is seen that there is no detailed study handling the levitation force together with trapped field properties of triangular arrangement of seed in YBCO. Therefore, to further investigate the magnetic properties of seeded YBCO superconductors, we have fabricated cylindrical...
Nonnegative matrix factorization (NMF)-based speech enhancement algorithm has been proven to provide satisfactory performance when the prior information about speaker and noise types are given. In most real-world scenarios, however, such prior information may not always be accessible. Therefore, an adaptation technique is favorable to adapt the NMF matrices to match the testing condition for a better...
This paper proposes to employ the technique of nonnegative matrix factorization (NMF) to enhance the temporal modulation components of speech signals for reducing the noisy effect. As for any arbitrary acoustic frequency, the NMF-wise bases for the temporal modulations of both the clean speech and noise are first extracted and then applied to the decomposition of the temporal modulation of the noise-corrupted...
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