2023
DOI: 10.3390/s23084027
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An Improved Time Delay Measurement Method for the Long-Distance Underwater Environment

Abstract: With the development of underwater navigation and underwater communication, it remains difficult to obtain time delay measurements after propagating long distance. This paper proposes an improved high-accuracy time delay measuring method for long distance underwater channel propagation. First, by sending an encoded signal, the signal acquisition is carried out at the receiving end. Then, to improve signal to noise ratio (SNR), bandpass filtering is carried out on the receiving end. Next, considering the random… Show more

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Cited by 3 publications
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