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- W2373130181 abstract "The design of a ultrasonic transducer army for audio beam loudspeaker requires high direc- tivity and no sidelobe.Based on the theoretical analysis of the linear array and rectangular array,com- pared with linear array, crossed array and interleaving rectangular array,a novel crossed hexagon array is proposed. It has been proved by theoretical analysis and experiment that this array can completely satisfy the requirement of designing the ultrasonic transducer array for audio beam loudspeaker with the 3dB beamwidth less than 5 degree and the ratio of mainlobe to sidelobe of 8.3. Meanwhile the effect of transducers' phase on the ultrasonic transducer array is considered for the convenience of selecing trans- ducers to form the array." @default.
- W2373130181 created "2016-06-24" @default.
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- W2373130181 date "2008-01-01" @default.
- W2373130181 modified "2023-09-25" @default.
- W2373130181 title "Design and research of an ultrasonic transducer array applied in audio beam loudspeaker" @default.
- W2373130181 hasPublicationYear "2008" @default.
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