2024
DOI: 10.1049/cmu2.12782
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A composite spread spectrum sequence for underwater acoustic signal acquisition

Chenyu Zhang,
Huabing Wu

Abstract: Spread spectrum technology has been widely employed for positioning and communicating with autonomous underwater vehicles (AUVs), but conventional spread spectrum sequences lack confidentiality and reliability in UWA channel. Considering the limitations of conventional sequences and the characteristics of underwater acoustic (UWA) channel, a composite chaotic orthogonal sequence (CCOS) based on the UWA channel is proposed. The confidentiality of the CCOS is superior to that of the m‐sequence, while the autocor… Show more

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