专利名称：AZIMUTH ADAPTIVE TYPE PHASED ARRAY SONAR
发明人：TAKEUCHI YASUTO
申请号：JP16010483
申请日：19830831
公开号：JPS646707B2
公开日：
19890206
专利内容由知识产权出版社提供
摘要：PURPOSE:To improve the quality of pictures by devising setting of a controller part and tap distribution of a delay circuit with taps to eliminate bad influences of the loss, which is caused by a delay time, and multiple reflection and dispersion which are generated in a delay circuit. CONSTITUTION:A trigger which has the timing controlled by a controller 7 and is generated from a trigger generator 1 is given to a delay map circuit 2a for transmission. In the delay map circuit 2a, delay lines whose number is equal to the number of transducers 4, and the delay quantity of each delay line is controlled by the controller 7, and a delay time distribution is so determined that the deflection angle of a transmitting and receiving beam is a prescribed value. Each of delay map circuits 2a and 2b consists of a delay circuit 11 with taps, a terminal impedance 13, and a cross point switch 12, and terminals in the row direction of the cross point switch 12 are connected to array transducers 4 through a pulser 3 or a receiving amplifier 5, and terminals in the column direction are connected to taps of the delay circuit 11 with taps.
申请人：YOKOKAWA MEDEIKARU SHISUTEMU KK
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