| 基于双阈值法的超声辊型在线检测的研究 |
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| 引用本文： | 胡春海.基于双阈值法的超声辊型在线检测的研究[J].自动化仪表,2000,21(1):15-16. |
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| 作者姓名： | 胡春海 |
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| 作者单位： | 燕山大学,河北秦皇岛,066004 |
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| 摘 要： | To eliminate the error
of distance measurement caused by amplitude change from signal attenuation， the method based on dual
thresholds is introduced． Thus the precise ultrasonic measurement is accomplished． Combining wiht the mechanical scanning the on-line
detection of roller shape is implemented．
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| 关 键 词： | 超声测距 辊型检测 阈值法 |
| 修稿时间： | 1999-09-28 |
The Study on On-line Ultrasonic Roller Shape Detection Based on Dual Threshold Method |
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| Hu Chunhai.The Study on On-line Ultrasonic Roller Shape Detection Based on Dual Threshold Method[J].Process Automation Instrumentation,2000,21(1):15-16. |
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| Authors: | Hu Chunhai |
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| Abstract: | To eliminate the error of distance measurement caused by amplitude change from signal attenuation, the method based on dual thresholds is introduced. Thus the precise ultrasonic measurement is accomplished. Combining wiht the mechanical scanning the on-line detection of roller shape is implemented. |
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| Keywords: | Ultrasonic distance measurement Detection of roller shape Threshold method |
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