水中通信システム - Ocean Electronics Co., Ltd.

Title:

水中通信システム

Document Type and Number:

Japanese Patent JP7454834

Kind Code:

B2

Abstract:

To provide an underwater communication system that is also suitable for POC and can accurately calculate correlation.SOLUTION: An underwater acoustic communication system 10 according to the present invention includes: a reference signal generator 11 that generates a reference signal; a data transmission unit 12 that digitally modulates the reference signal generated by the reference signal generator 11 into an ultrasonic signal containing data and transmits the ultrasonic signal underwater; a data reception unit 13 that receives the ultrasonic signal transmitted by the data transmission unit 12; an equalizer unit 14 that corrects the reference signal; and a correlation calculator 15 that calculates correlation between the ultrasonic signal received by the data reception unit 13 and the reference signal corrected by the equalizer unit 14.SELECTED DRAWING: Figure 1

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Inventors:

Taichi Kawakami
Tohru Ohashi

Application Number:

JP2019239492A

Publication Date:

March 25, 2024

Filing Date:

December 27, 2019

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