To detect water leaking of underground tube, the traditional method relies on the sound-electricity transformation. Therefore, detection sensitivity, depth and distance suffer great limitation.
传统的检测地下管道漏水的方法是以声—电转换为基础,这使得灵敏度、深度和距离都受到很大限制。
Some conclusions and sensitivity analysis are come to by stepwise in-depth analysis and comparison.
通过思路的逐步深入和对比分析,得出部分参数的灵敏度分析和一些结论。
To improve sensitivity, a grooved light-incident region is considered and the selection of the groove depth is discussed.
为提高灵敏度,考虑了槽状的光入射区,阐述了槽深的选取原则。
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