Oscillation of second order difference operator 一类二阶差分算子的振动性
Approximate difference operator 近似差分算子
Backward difference operator 后向差分算子
Multiscale decomposition of divided difference operators and nonstationary subdivision schemes of b - spline series 样条级数的非均匀细分算法
In explicit depth extrapolation method of frequency - space fields , wavefield depth extrapolation is completed with convolution of short explicit difference operators and the wavefield 摘要在频率空间域显式叠前深度偏移中,波场深度延拓是通过显式差分短算子与波场的空间褶积完成的。