Influence of aperture angle on precision of 3D wavefield extrapolation.;
孔径角对三维波场外推精度的影响
The tapered end aperture angle versus the tapered angle and the tapered end radiation angle versus the tapered angle are obtained through the analysis.
用射线理论分析了不同锥角大小条件下锥端光线传输特性,推导出了锥角大小与锥端孔径角及出光发散角的关系。
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