交大學刊;;Science Bulletin National Chiao-Tung University

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Operational Solution of Inhomogeneous Wave Equation
(交大學刊編輯委員會, 1966-10)
陳俊雄
;
C.H.Chen
The Laplace transformation, the three-dimensional Fourier transformation, and the convolution theorem are used to solve the inhomogeneous scalar wave equation in unbounded space. The solutions obtained consist of retarded potential and a function which is expressed as a superposition of the plane wave solutions. The retarded potential solution contains a unit step function which makes the physical explanation of the result more obvious. Some comments on the four-dimensional Fourier transformation method of approach are also included.