SONAR SYSTEM, METHOD, AND PROGRAM

Title:

SONAR SYSTEM, METHOD, AND PROGRAM

Document Type and Number:

Japanese Patent JP2023141678

Kind Code:

A

Abstract:

To make it possible to avoid a decline in object searching ability in a sonar system that performs both object searching and communication.SOLUTION: A sonar system comprises a transmitting unit that includes: modulation means for generating a transmission waveform by switching at least one of the center frequency and sweep direction of LFM (Linear Frequency Modulation) or LPM (Linear Period Modulation) sweep in association with a bit code of a digital signal to be transmitted; and means for transmitting the transmission waveform as a sound wave.SELECTED DRAWING: Figure 1

Inventors:

NARUMI TATSUYA

Application Number:

JP2022048124A

Publication Date:

October 05, 2023

Filing Date:

March 24, 2022

Export Citation:

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Assignee:

NEC CORP

International Classes:

G01S15/32; H04B11/00

Attorney, Agent or Firm:

Asamichi Kato
Kiyoto Uchida

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