In this paper main work involves some expressions of displacement vector and some formulae concerned by vector sphericalfunction.
本文给出了位移矢量的矢量球函数表达及其有关的公式。
2
The solution of sphericalfunction is given in the paper, and it is applied reasonably in the problem of eigenvalue of angular momentum square operator.
本文对球函数方程进行了求解，并将球函数方程的解合理地应用于角动量平方算符的本征值问题中。
3
By sphericalfunction expansion of the scattered sound field in conjunction with rigid boundary conditions, formulas for reconstructing the shapes of rigid scattering objects are derived.