Changing model-building formula in traditional layered earth model, the paper presented a blocky structural model-building method for ray-tracing.
本文改变了传统的层状地层的建模方式，提出了一种射线追踪中块状结构的建模方法。
It is shown from the computations that the joint method inherits both the advantages of GA and least square. The model errors of inverting 3 or more strata layered earth are 6% less.
为在电阻率测深曲线反演中得到全局最优解，采用先使用遗传算法再用最小二乘法反演方法，对较为复杂的3层和3层以上大地模型进行了计算，其模型参数误差只有6%。
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