CN106706109B - 一种基于时域二维特性的振动源识别方法及系统 - Google Patents
一种基于时域二维特性的振动源识别方法及系统 Download PDFInfo
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- CN106706109B CN106706109B CN201611162927.0A CN201611162927A CN106706109B CN 106706109 B CN106706109 B CN 106706109B CN 201611162927 A CN201611162927 A CN 201611162927A CN 106706109 B CN106706109 B CN 106706109B
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- 238000001514 detection method Methods 0.000 claims abstract description 21
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
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CN106706109B true CN106706109B (zh) | 2019-10-01 |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108509864A (zh) * | 2018-03-09 | 2018-09-07 | 北方工业大学 | 一种确定光纤入侵事件类型的方法及装置 |
CN108717505A (zh) * | 2018-05-29 | 2018-10-30 | 广东工业大学 | 一种基于k-rvfl的固化热过程时空建模方法 |
CN110458219B (zh) * | 2019-08-01 | 2021-04-27 | 北京邮电大学 | 一种基于stft-cnn-rvfl的φ-otdr振动信号识别算法 |
CN110672196B (zh) * | 2019-08-22 | 2021-09-24 | 北京航天易联科技发展有限公司 | 一种基于图像算子的移动干扰振源过滤方法 |
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CN102997045B (zh) * | 2011-09-14 | 2014-08-06 | 中国石油天然气集团公司 | 一种光纤传感天然气管道泄漏事件识别方法和装置 |
CN102968868B (zh) * | 2012-10-31 | 2014-12-10 | 武汉理工光科股份有限公司 | 基于时域包络分析光纤光栅周界入侵行为识别方法及系统 |
CN103345808B (zh) * | 2013-06-26 | 2015-09-09 | 武汉理工光科股份有限公司 | 光纤光栅周界入侵模式识别方法及系统 |
CN104240455B (zh) * | 2014-08-07 | 2016-08-17 | 北京航天控制仪器研究所 | 一种分布式光纤管线安全预警系统中的扰动事件识别方法 |
US9417215B2 (en) * | 2014-09-30 | 2016-08-16 | General Electric Company | Vibration monitoring system and method |
CN104966076A (zh) * | 2015-07-21 | 2015-10-07 | 北方工业大学 | 基于支持向量机的光纤入侵信号分类识别方法 |
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Inventor after: Qu Hongquan Inventor after: Zhao Lu Inventor after: Fu Shuo Inventor after: Sheng Zhiyong Inventor after: Yang Dan Inventor before: Qu Hongquan Inventor before: Fu Shuo Inventor before: Sheng Zhiyong Inventor before: Yang Dan Inventor before: Zheng Tong |
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