An artificial random disturbance is carried out for some seismological observation data in the allowance range of seismological observational error with random disturbance method.
采用随机干扰方法，在地震观测误差容许值范围内，对地震观测资料进行人为随机干扰。
Those results indicate that the R/S analysis method can extract useful seismomagnetic precursor, and has potential and prospect in the nonlinear processing of seismic precursory observational data.
这些结果表明该方法能够挖掘出丰富的地磁前兆信息，在地震前兆观测资料的非线性处理中具有良好的应用前景。
We apply finite element method to invert the velocity field and strain field of crust motion in Urumqi region with GPS observational data since 2000.
利用2000年以来乌鲁木齐地区的GPS观测数据，通过讨论有限元数值计算方法，结合该地区实际情况，反演计算了该地区的地壳运动速度场、应变场。
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