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为了掌握震源扫描算法的定位精度,分析了震源扫描算法的基本原理,选取山西某矿水力压裂微震数据,利用震源扫描算法,对一震源进行了示例定位,并测试了走时无误差和走时随机误差条件下的震源定位精度。基于震源扫描算法的定位基本可满足工程需要,在Z方向添加接收点,可进一步提高定位精度。
In order to grasp the positioning accuracy of the source scanning algorithm, the basic principle of the source scanning algorithm is analyzed. The fractured microseismic data of a mine in Shanxi Province is selected. By using the source scanning algorithm, an example of a source is given and the error- Source positioning accuracy under error conditions. Positioning based on the source scanning algorithm can basically meet the needs of the project, add the receiving point in the Z direction, can further improve the positioning accuracy.