| 1. | Experiment research on oil pipeline leak detection
输油管道泄漏检测实验研究 |
| 2. | Application of the correlation analysis in the pipeline leak detection
相关分析在管道泄漏技术中的应用 |
| 3. | Application of distributed optical fiber sensing technique in pipeline leak detection
分布式光纤传感技术在管道泄漏检测中的应用 |
| 4. | A new compact pipeline leak detection and location monitoring system with the gprs wireless communication technology
微型gprs无线数字通讯管道泄漏检测系统微型gprs无线数字通讯管道泄漏检测系统 |
| 5. | And compares some pipeline leak detection technologies in our country and others . indicates the current condition and prospect of the technology
并针对国内外出现的一些管道泄漏检测技术进行了比较，提出了此项技术的研究现状与发展前景。 |
| 6. | Basing on the laws , the paper applies the pressure - flow distinguishing method into the pipeline leak detection , and through using the method of detecting the time of pressure fall
结合此规律，将压力流量联合判别法应用于管道泄漏检测中，并通过捕捉压力波的突降时刻进行管道泄漏点定位。 |
| 7. | Pipeline leak detection location system is a typical device for pipeline maintenance , which can efficiently reduce the resource waste and the environment pollution caused by pipeline leak
管道泄漏检测定位系统是目前管道泄漏检测中的一种典型装置,能有效控制管道泄漏引起的资源浪费和环境污染。 |
| 8. | In order to improve the compression ratio of pipeline leak signals , an error - controlled quantization method is designed in this paper , and on the basis of lossless compression algorithm , a near - lossless compression algorithm is proposed and implemented in pipeline leak detection and location system
为了进一步提高管道泄漏信号的压缩比,设计了误差可控的量化方案,在管道泄漏信号无损压缩算法的基础上,提出了一种适合于管道泄漏检测定位系统的近无损压缩算法。 |
| 9. | Various data compression techniques are studied and summarized in this paper , including the traditional and the newly developed techniques , then analyses the features of pipeline leak signals , such as the mechanism of production , entropy and correlation coefficient , are analyzed , and finally a universal and low - complex lossless compression algorithm is proposed and implemented in the pipeline leak detection and location system
本文研究和总结了国内外传统和最新发展的各种数据压缩技术,然后分析了管道泄漏信号的特征,包括管道泄漏信号的产生机理、信息熵和相关系数,提出了一种适合于管道泄漏检测定位系统的通用、低复杂度的无损压缩算法。 |
| 10. | Some digital technology are applied to this system , such as pocket pc data processing system and gprs wireless communication system . the monitoring system has the advantage of compactness , easiness of installing and fast speed of communication . the pipeline leak detection and location monitoring system can be widely applied to water pipeline , oil pipeline and gas pipeline
介绍了一种新型的管道泄漏检测定位报警系统，该系统应用了掌上电脑数据采集分析系统gprs无线数字通讯系统等数字化信息化技术，使得检测单元具有体积小，安装简便和数据传输快捷并且占用通讯资源少等特点，这种新型的管道泄漏检测定位报警系统可以广泛应用于输水输油和输气的管道。 |
