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- Using the character that wavelet transform can detect the signal singularity, the Hermitian wavelet transform is applied to get the featured inflection point of negative pressure wave. 利用小波变换检测信号奇异性的特性，将Hermitian小波变换应用到获取泄漏压力波信号序列的对应特征点。
- Research on filtering technique for negative pressure wave signals 负压波信号的滤波技术研究
- Leak hunting of oil pipeline by negative pressure wave 输油管道负压波法测漏原理及实现
- Field Test of Leakage Light Hydrocarbon Pipeline Monitoring Technique Based on Negative Pressure Wave 轻烃管道负压波泄漏防盗监测技术现场试验
- Application of the negative pressure wave theory in the leak-detecting system of trans-porting-oil pipe 负压波定位理论在输油管道泄漏监测系统中应用
- Inspection and Orientation of Pipeline Leakage with Negative Pressure Wave Technique 负压波管道泄漏检测与定位技术
- Correlation Analysis in Developing Accuracy of Pipe Leakage Detection System of Negative Pressure Wave 用相关分析提高管道压力波泄漏检测系统的定位精度
- State of Research on Negative Pressure Wave Techniques Applied to Leak Detection in Liquid Pipelines 液体管道泄漏负压波诊断方法的研究现状及发展趋势
- Research on leak detection of fuel pipe based on analysis of negative pressure wave 基于负压波分析的油管检漏技术研究
- Leak detection and location system for oil pipe based on negative pressure wave method 基于负压波法的输油管道泄漏检测定位系统
- The negative pressure loop should be noted. 应该注意到负压的腹点。
- This negative pressure phase is of short duration. 负压周期的延续时间很短。
- Using the Correlation Analysis to Develop the Position Locating Accuracy of Leakage Position Locating System of Pipe with Negative Pressure Wave 用相关分析提高管道负压波泄漏定位系统的定位精度
- The Gating Design for Negative Pressure EPC. 负压消失模铸造原料磨衬板的浇注工艺设计
- Intrapleural pressure is usually negative pressure. 胸膜腔内压通常为负压。
- Operated at sealed negative pressure and designed by GMP. 密封负压操作，按gmp规范设计。
- negative pressure wave (NPW) 负压波
- negative pressure wave law 负压波法
- The paper introduces three basic working styles of signal transmission of mud pulse MWD sys tern,pressure positive pulse, pressure negative pulse and continuous pressure wave. 介绍了泥浆脉冲随钻测量系统信号传输的3种基本工作方式:压力正脉冲、压力负脉冲和连续压力波。
- negative pressure wave 反向波,负向压力波
