By using the Fouriertransform, the problem can be solved with a pair of dual integral equations in which the unknown variable is the jump of displacements across the crack surfaces.
首先利用付里叶变换，使问题的求解转换成对一对变量为裂纹面上位移差的对偶积分方程的求解。
2
Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fouriertransform) of digital hologram are deduced based on the diffraction theory.
在衍射理论基础上详细推导了三种再现算法(菲涅耳积分变换法、卷积法、傅立叶变换法)的数学表示。
3
The author has discussed two integral transforms for 2.5-D transient electromagnetic forward modeling, namely, inverse Fouriertransform and inverse Laplace transform.