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远场稳相近似法常常用来研究井中地震源的P波和S波辐射,且常常假设在低频条件下和裸眼井中使用。基于这两种假设可推导出辐射模式的显式解析结
Far-field steady-state approximation is often used to study P-wave and S-wave radiation from well-bore seismic sources and is often assumed to be used at low frequencies and in open-hole wells. Based on these two assumptions, an explicit resolution of the radiation pattern can be deduced