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碩士 === 國立中央大學 === 光機電工程研究所 === 97 === This paper use dual frequency method to improve the accuracy for traditional ultrasonic measurement. We simulate the system to confirm the dual frequency method feasibility and the characteristic. If use optimization parameter to simulate, you can get the maximu...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2009
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| Online Access: | http://ndltd.ncl.edu.tw/handle/36733320959947621715 |