Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Min-Ku Chae"'
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cced89f038176f3f4e9880ac65275631
https://doi.org/10.5050/ksnve.2018.28.4.490
https://doi.org/10.5050/ksnve.2018.28.4.490
Publikováno v:
Japanese Journal of Applied Physics. 42:3091-3092
Using a bimorph-type bending actuator, we propose a new method for controlling the focal length of a transducer by electric DC voltage. We designed two focal length controllable ultrasonic transducers with actuators, a line-focus and a point-focus tr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::839c158ca4b30548d1894d254924a118
https://doi.org/10.1143/jjap.42.3091
https://doi.org/10.1143/jjap.42.3091