The impedance matrix element is calculated by the dipole model method when the distance between the equivalent dipole element and the observation point is beyond a critical distance.
当等效偶极子单元离观察点大于临界距离时，用偶极子模型法计算阻抗矩阵元素。
Moreover, applying the matrix method in the close axis optics leads directly to the expression of the focal distance of magnetic lens if the matrix is transmitted by the lens.
此外，应用类似于近轴光学中的矩阵方法，山磁透镜传输矩阵，直接导出了该磁透镜的焦距的表达式。
The semantic relationships between multi-context key words are taken into account and the fuzzy similarity matrix is derived from non-distance computing in this method.
该方法不仅考虑了多背景关键词之间的语义关系，而且通过非距离计算得到模糊相似矩阵。
Methods By the matrix optical method, formulae of waist width and imaging distance of focused Gaussian beams through the coupling system are derived.
方法利用矩阵光学方法，推导了高斯光束经耦合系统聚焦后束腰宽度和像距的计算公式。
Methods By the matrix optical method, formulae of waist width and imaging distance of focused Gaussian beams through the coupling system are derived.
方法利用矩阵光学方法，推导了高斯光束经耦合系统聚焦后束腰宽度和像距的计算公式。
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