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《Chinese Journal of Geophysics》 2000-05
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A RAPID ALGORITHM FOR G-S TRANSFORM

LUO YAN ZHONG CHANG YAN JUN (China University of Geosciences,Wuhan 430074,China)[  
In the numerical calculation of electromagnetic transient response,the G S transform method is used frequently for inverse Laplace transform.It is a pure real number operation and just needs calculations for a small number of values of Laplace transform variable s(12 values for one sample time). So it is a rather rapid algorithm.However,when we need to calculate many sample times,the computation quantity of this algorithm is still too large.In this paper,a new algorithm for G S transform is established based on the delay theorem of Laplace transform.The new algorithm may reduce computation quantity in orders and there for increase markedly the calculation speed of the transient electromagnetic response with dense samples. [
【Fund】: 国家自然科学基金项目!(4 9674 2 2 8)
【CateGory Index】: P631.3
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