The AE signals of pipeline leak carry the information of structure integrity (the dimension and location of leak), which are random and uncertain, and belong to non stationary signals.
管道泄漏声发射信号既携带结构的某些特征信息（泄漏孔大小和位置等） ，同时又有很大的随机性和不确定性，属于一种非平稳随机信号。
Another research team found that more than half of all smart-phone apps leak unique IDs that could be used to track a user's interests and, potentially, their location.
另一个研究小组则发现超过半数的智能手机应用软件会泄露用户的身份信息。一旦这些信息泄露，骗子们就会得知用户的兴趣甚至追踪用户的位置。
To solve the leak detection and location problem in pipeline flux, we built neural network model based on the difference of leak wave and normal signal.
为了解决目前管道流量泄漏监测和定位问题，根据管道泄漏应力波和正常信号的区别，建立神经网络模型。
The method of leak detection and location for pipelines based on instantaneous pressure wave is most widely used in practice.
基于瞬态压力波的泄漏检测和定位方法在实际中得到广泛的应用。
Due to the multi modes and dispersion nature of acoustic emission (AE) propagating in pipeline, traditional cross correlation technique do not perform well for acoustic leak location.
由于泄漏声发射信号的多模态特性和在管道内传播过程中的频散特性，使得通过相关分析进行管道泄漏定位的效果很差。
The full information(leak flow and location) of leak point is obtained applying the analysis of transient pressure plot and formula of negative pressure reflectance.
根据定义的负压波反射系数关系式和瞬态压力响应图，应用行波计算方法得到泄漏点的全部信息（泄漏流量和位置）。
It has such advantages as easy operation, reliability of oil bleeding, inspection on leak location of oil pipe and repetition of use.
其特点在于操作简便、泄油可靠、可检测油管漏失位置、可重复使用。
To solve the problem of oil pipeline leak monitoring and location, a method for implementation of oil pipeline leak monitoring and location system based on virtual instruments is presented.
在讨论了管道液体泄漏的特征之后，通过对比现有几种泄漏检测方法的优缺点，提出了基于分布式感应线缆进行管道泄漏预测和定位的一种新方法。
To investigate the leak location, the repair material and method for cerebrospinal fluid rhinorrhea. MethodsThe clinical data of 19 cases were retrospectively analyzed.
目的探讨鼻内镜下脑脊液鼻漏修补术的瘘口定位、材料选择及修补方法。
Using this algorithm in the location problem of leak point shows that this method can find the leak point and the location precision can be increased by 0.96% in comparison with normal methods.
利用该算法对泄漏点定位，结果表明，该方法能够找到泄漏点，而且与常规方法相比精度提高0.96%。
On the basis of detailed analysis of the pipeline fluid dynamics, this paper presents a method of pipeline leak detection and location based on stable model;
本文在详细分析管道流体动力学特性的基础上，提出了一种基于稳态模型的管道泄漏检测与定位方法；
With the problem of noise disturbance in leak detection and location of pipeline, a signal process method based on empirical mode decomposition (EMD) and cross-correlation was presented.
针对长输管道泄漏检测与定位中噪声干扰问题，提出了一种基于EMD分解和相关分析的管道泄漏检测与定位方法。
In this paper, the negative pressure wave method for pipeline leak detection and location of.
本文研究了负压波法在管道泄漏判断和定位中的应用。
PipelineManager consistently located the leak to within a few hundred feet of the actual leak location.
管道管理器的泄漏定位结果一直维持在与实际泄漏位置相差几百英尺之内。
The application concerning water pipeline leak detection and location verifies the validity of this measuring system.
最后通过对自来水管线泄漏的实际测量验证了该系统的有效性。
In this paper, some methods used worldwide and some other rising technology of leak location for oil pipelines were introduced. The advantages and disadvantages of those methods were also analyzed.
本文介绍了一些国内外用于油管道泄漏检测定位的方法以及一些新的其它方法，并分析了各种方法的利弊。
Also, the combination of the two methods is proved theoretically redound to improve the veracity of leak detection and location.
在理论上分析了以上两种方法的结合将有助于提高泄漏检测定位的准确性。
Also, the combination of the two methods is proved theoretically redound to improve the veracity of leak detection and location.
在理论上分析了以上两种方法的结合将有助于提高泄漏检测定位的准确性。
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