常見例句雙語例句Starting from the wave differential equation, a method is deduced to express the complex amplitude of light wave fields in the reference plane which is vertical to the optical axis.在柱坐標下從微分波動方程出發(fā) ,推導柱面光波的場分布 ,并利用遠場近似條件導出當線光源與光軸成任意角度時 ,在垂直光軸方向的參考面上的復振幅表示 。By using travelling wave reduced form method, the nonlinear partial differential equation of wave propagation in a functionally graded beam was transformed into an ordinary differential equation.運用行波約化法將非線性波動方程化為常微分方程,然后利用位移形函數(shù)的系數(shù)待定法求出了非線性波動方程的位移孤波解。Upon the basic electromagnetic theory, wave propagation equation on an axis symmetrical case is derived. Numerical simulation method for solving the partial differential wave equation is presented.從基本電磁理論出發(fā),推導軸對稱條件下電磁波的波動方程,給出求解此類波動方程的數(shù)值仿真方法。 返回 wave differential equation