- 有限差分格式
- 有限差分算子
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finite difference operator中文什么意思
例句與用法
- Author , secondly , starts from the approximate expandness of square root operator , perform mathematical calculations for finite difference operator in frequency - space domain , fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain , compare and discuss their precision of their wavefield , adaptability for lateral velocity variations , computation efficiency and stability . thirdly , author , applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain , to the prestack and poststack forward modeling and depth migration
第二，從平方根算子的近似展開出發(fā)對(duì)頻率?空間域的有限差分算子、混合域(頻率?空間域；頻率?波數(shù)域)的fourier有限差分算子、混合域的廣義屏算子進(jìn)行了推導(dǎo)并對(duì)其波場描述精度、對(duì)橫向變速的適應(yīng)性、計(jì)算效率和穩(wěn)定性進(jìn)行了比較與評(píng)述。
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