2021
DOI: 10.1155/2021/6627804
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Quantum Particle Swarm Optimization Extraction Algorithm Based on Quantum Chaos Encryption

Abstract: Considering the highly complex structure of quantum chaos and the nonstationary characteristics of speech signals, this paper proposes a quantum chaotic encryption and quantum particle swarm extraction method based on an underdetermined model. The proposed method first uses quantum chaos to encrypt the speech signal and then uses the local mean decomposition (LMD) method to construct a virtual receiving array and convert the underdetermined model to a positive definite model. Finally, the signal is extracted u… Show more

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Cited by 3 publications
(2 citation statements)
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“…According to the results of previous studies [ 1 , 3 , 23 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 ], the quality of speech blind source separation could be improved by swarm intelligence algorithms, but it is rare to find a study about multi-groups with random linear mixed signals. In their studies, the quality, convergence speed, and convergence accuracy of BSS were significantly improved by enhancing the swarm intelligence optimization algorithm.…”
Section: Discussionmentioning
confidence: 99%
“…According to the results of previous studies [ 1 , 3 , 23 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 ], the quality of speech blind source separation could be improved by swarm intelligence algorithms, but it is rare to find a study about multi-groups with random linear mixed signals. In their studies, the quality, convergence speed, and convergence accuracy of BSS were significantly improved by enhancing the swarm intelligence optimization algorithm.…”
Section: Discussionmentioning
confidence: 99%
“…Using the ant colony particle swarm optimization algorithm, the similarity of users is calculated based on the click frequency and resource category given by time to the preschool education resource category and the different weights of the 2 indicators on the click path, respectively. In this way, we can improve the efficiency of preschool education resource scheduling and provide core support for preschool education resource-sharing platforms [16][17].…”
Section: Shared Platform Resource Scheduling Schemementioning
confidence: 99%