发明名称 |
Determination of the distance to a soft sound object, whereby measurements are made at two or more different frequencies so that a material dependent phase correction can be made |
摘要 |
Method for distance measurement using ultrasound, whereby sound is reflected from or transmitted through soft sound objects. To determine a material dependent phase correction angle the ultrasound measurements are made at two or more different frequencies.
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申请公布号 |
DE10142364(A1) |
申请公布日期 |
2003.04.03 |
申请号 |
DE20011042364 |
申请日期 |
2001.08.30 |
申请人 |
ADVANCED ACOUSTIX GMBH |
发明人 |
JAHNY, JENS;SEIDEL, PETER |
分类号 |
G01S7/539;G01S15/36;(IPC1-7):G01S15/08;G01B17/02 |
主分类号 |
G01S7/539 |
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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