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公开(公告)号：US3622960A
公开(公告)日：1971-11-23
申请号：US3622960D
申请日：1969-06-13
Applicant: LEAR SIEGLER INC
Inventor： BARRON BENJAMIN , WEISS ERNEST
CPC classification number: G01S7/523 , B06B1/0253 , B06B2201/74
Abstract: A transmitter arrangement for a sonar active transmit-receive system in which the transducer is controlled to provide a wave front which is more coherent in phase and power by the use of a feedback control signal from the transducers. The transducers are also made to have a constant output impedance which is of a relatively low value.
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