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1. (WO2015122240) TRANSMISSION UNIT AND SONAR

Pub. No.:    WO/2015/122240    International Application No.:    PCT/JP2015/051299
Publication Date: Fri Aug 21 01:59:59 CEST 2015 International Filing Date: Wed Jan 21 00:59:59 CET 2015
IPC: G01S 7/523
G01S 7/02
G01S 7/521
G01S 15/96
Applicants: FURUNO ELECTRIC CO., LTD.
古野電気株式会社
Inventors: YAMAGUCHI, Takeharu
山口 武治
Title: TRANSMISSION UNIT AND SONAR
Abstract:
The present invention minimizes increases in the quantity of transmission signal generation units and precisely controls the direction of each orientation of a transmission beam. A transmission unit (12) is provided with: a transmitter (10) that has a plurality of transmission elements (TDm1, TDm2, TDm3, etc.) that each transmit a transmitter pulse; a plurality of transmission signal generation units (S1, S3, S5, etc.) that each generate a transmission signal having an adjusted phase; and a circuit unit (15) that combines at least two of the transmission signals and outputs the result to at least one of first transmission elements (TDm2, TDm4, TDm6, etc.) included among the plurality of transmission elements (TDm1, TDm2, TDm3, etc.).