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pro vyhledávání: '"Sang Ok Seon"'
Autor:
Jin Oh Kim, Sang Ok Seon
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 29:157-165
Autor:
Sang Ok Seon, Jin Oh Kim
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 28:664-669
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 28:490-500
This paper deals with acoustic directivity according to vibration displacement distribution of ultrasonic sensors for distance measurement. It is necessary to determine the vibration displacement distribution improving the directivity because the mea
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 27:713-720
This paper deals with the vibration characteristics of a multilayered piezoelectric transducer. The transducer consists of multiple piezoelectric layers for exciting, one piezoelectric layer for sensing and insulation layers. Theoretically, natural f