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Campo-Valera, María; Ardid, Miguel; Tortosa, Dídac D; Felis, Ivan; Martínez-Mora, Juan A; Llorens, Carlos D; Cervantes, Pablo
Sensors (Basel, Switzerland), 07/2018, Letnik: 18, Številka: 7Journal Article
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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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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