| 摘要 |
A method and apparatus for determining a location of an underground object during a digging operation. The method and apparatus includes delivering a signal toward the underground object, receiving a reflected signal from the underground object, determining an initial location of the underground object, creating a region of uncertainty around the underground object as a function of a level of confidence of the determined initial location, performing at least one process to improve the level of confidence, and adjusting the region of uncertainty as a function of the improved level of confidence.
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