该方法可以根据地质构造的复杂性，灵活地选取各种单程波场延拓算子进行计算，具有很强的适用性。
It can flexibly select continuation operators of various one-way wave fields for computation according to the complexity of geologic structures, thus it has strong applicability.
本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
该方法只需对某一核合成算子进行简单的几何旋转建立合成算子函数，避免了复杂的波场外推。
A surface synthesis operator function is simply constructed by geometrically rotating a certain kernel synthesis operator, instead of complicated wave extrapolations.
文中在阐述小波变换原理的基础上，针对融合算子的构造，给出了一种新的基于小波系数相关性的融合方法。
Based on expatiate wavelet transform principle, aimed at the construction of fusion operator, a new scheme using the correlation of decomposition coefficients is presented.
此类波场外推算子沿深度层进行波场外推，都存在参考速度选择问题。
All extrapolation operators face the problem of choosing the reference velocity due to continuation in depth.
通过对算子矩阵和地震波场矩阵进行多分辨分解和压缩，得到了小波域中地震波场正演模拟算法。
Through the multiresolution decomposition and compression of operator matrix and seismic wave field matrix, we proposed a new method of seismic modeling in wavelet domain.
用该方法实现弹性波正演模拟只要算子半长度取到4—6，每波长取3个采样点即可获得精度很高的波场值。
The operator half length takes to 4-6 and each wave length takes 3 sampling, then the precise wave field can be obtained.
利用边缘检测算子从计算数据中检测出位于边缘上的点，通过处理压力数据可以在图像中清晰地显示冲击波的轮廓。
A method of detection and visualization of shock waves from the calculated data with the edge detector has been proposed in this paper.
以弹性波为重点，评述了三锥散射算子关系及其在逆散射中的应用。为便于理解，在介绍过程中，还仔细描述一维球对称情况下散射矩阵和逆散射方程推导。
The three-dimensional scattering operator formulations with application in the three-dimensional inverse scattering are reviewed with emphasis on the elastic wave case.
在阐述小波图像融合算法的基础上，针对小波分解后各频域融合算子和融合规则的选择，提出一种新的基于小波分解的图像融合算法。
Based on expatiating on image wavelet fusion algorithm, aimed at the choice of fusion rule and fusion operator, this paper presented a novel image fusion algorithm based on wavelet transform.
利用傅里叶有限差分算子可保证在复杂构造的波场延拓中，地震波场不失真，成像质量高。此外，本文对傅里叶有限差分算子作了必要的优化。
Fourier finite difference operator can be adopted to ensure good fidelity of seismic wave field in wave field continuation of complicated geology structure, bringing high quality image.
理论上，应用这样的多小波边缘提取算子提取图像的复合边缘可以有任意高的边缘定位精度。
Theoretically, based on this approach ones have the possibility of getting arbitrary precise localization for the edges that are composed of steps and pulse with wavelet transformation.
理论上，应用这样的多小波边缘提取算子提取图像的复合边缘可以有任意高的边缘定位精度。
Theoretically, based on this approach ones have the possibility of getting arbitrary precise localization for the edges that are composed of steps and pulse with wavelet transformation.
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