Acoustic Parametric Signal Generation for Underwater Communication

This paper presents a study of different types of parametric signals with application to underwater acoustic communications. In all the signals, the carrier frequency is 200 kHz, which corresponds to the resonance frequency of the transducer under study and different modulations are presented and co...

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Detalles Bibliográficos
Autores principales: Campo-Valera, María, Ardid, Miguel, Tortosa, Dídac D., Felis, Ivan, Martínez-Mora, Juan A., Llorens, Carlos D., Cervantes, Pablo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2018
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068948/
https://www.ncbi.nlm.nih.gov/pubmed/29973519
http://dx.doi.org/10.3390/s18072149
Descripción
Sumario:This paper presents a study of different types of parametric signals with application to underwater acoustic communications. In all the signals, the carrier frequency is 200 kHz, which corresponds to the resonance frequency of the transducer under study and different modulations are presented and compared. In this sense, we study modulations with parametric sine sweeps (4 to 40 kHz) that represent binary codes (zeros and ones), getting closer to the application in acoustic communications. The different properties of the transmitting signals in terms of bit rate reconstruction, directivity, efficiency, and power needed are discussed as well.

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