发明名称 |
Method and apparatus for measuring LSAW propagation characteristics |
摘要 |
The temperature distribution in water is measured by two thermocouples to obtain a temperature compensating parameter. Under measurement conditions where the temperature distribution in water varies, a measured V(z) curve is used to monitor a change in the wave number of a longitudinal wave in an ultrasonic wave propagation region in water to thereby detect variations in the water temperature and the longitudinal wave velocity with high accuracy.
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申请公布号 |
US6668653(B2) |
申请公布日期 |
2003.12.30 |
申请号 |
US20010039705 |
申请日期 |
2001.10.19 |
申请人 |
KUSHIBIKI JUN-ICHI |
发明人 |
KUSHIBIKI JUN-ICHI;ONO YUU |
分类号 |
G01N29/00;G01H3/00;G01H5/00;G01N29/04;G01N29/24;G01N29/28;G01N29/32;G10K11/30;(IPC1-7):G01N29/04 |
主分类号 |
G01N29/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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