Using full vector orthogonal function model of the auxiliary air hole pattern of cut-off characteristics of optical fiber were discussed.
利用全矢量正交函数模型对空气孔辅助光纤的模式截止特性进行了讨论。
The mathematical model based on orthogonal function as fan characteristic curve fitting is introduced and its precision and utility is validated through the calculating example.
介绍了采用正交函数法快速拟合通风机性能曲线的数学模型，通过算例验证了此数学模型的精确性和实用性。
The dynamic load identification is formulated by time finite element model with shape function of generalized orthogonal polynomial in this paper.
本文利用广义正交多项式作为时间有限元的形函数，推导了基于时间有限元的动载荷识别模型。
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