Time-spectrum analysis process method of ultrasonic testing material of coarse crystalline |
Title: |
Time-spectrum analysis process method of ultrasonic testing material of coarse crystalline |
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Application Number: |
200510011762 |
Application Date: |
2005/05/23 |
Announcement Date: |
2005/11/16 |
Pub. Date: |
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Publication Number: |
1696687 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
G01N 29/06, G06F 19/00 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Shi Keren, Zhang Xiufeng |
Key Words: |
Time-spectrum analysis process method, ultrasonic testing, coarse crystalline |
Abstract: |
A method for analyzing and processing time - frequency of coarse - grain material ultrasonic detection includes obtaining best quality of time - frequency image, picking up defect information of time -frequency image, displaying A form of defect information. The method has more powerful ability to discover small defects and has excellent intensifier effect of signal to noise ratio. |
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Relevancy information |
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Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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