| 燃气管道小泄漏检测与定位研究 |
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| 引用本文： | 张丽娟,李帆,奉毅.燃气管道小泄漏检测与定位研究[J].上海煤气,2006(6):13-15,37. |
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| 作者姓名： | 张丽娟 李帆 奉毅 |
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| 作者单位： | 1. 华中科技大学环境科学与工程学院
2. 中国市政工程西南设计研究院 |
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| 摘 要： | 文章介绍了基于负压波的燃气管道小泄漏检测与定位技术。根据噪声与有用信号突变点在多尺度连续小波变换下的极值具有截然不同的表现，利用连续小波变换，获取信号的突变点，实现小泄漏的检测与定位。
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| 关 键 词： | 奇异性 小波 负压波 泄漏定位 燃气管道 |
| 收稿时间： | 2006-04-28 |
| 修稿时间： | 2006-04-28 |
Research on Gas Pipeline Small Leakage Test & Orientation |
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| Zhang Lijuan,Li Fan,Feng Yi.Research on Gas Pipeline Small Leakage Test & Orientation[J].Shanghai Gas,2006(6):13-15,37. |
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| Authors: | Zhang Lijuan Li Fan Feng Yi |
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| Affiliation: | Huazhong University of Science &Technology Zhang Lijuan Li Fan South-west Municipal Engineering Design and Research Institute of China Feng Yi |
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| Abstract: | Small leakage test and orientation technology based on negative pressure wave is introduced .According to legulation of completely different performance of extremum between niose and useful signal break point under continuously little wave transform, we can use continuously little wave transform to get the break point of signal, then to realize the test and orientation.. |
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| Keywords: | singularity small wave negative pressure wave leakage orientation gas pipeline |
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