English translation for "有限差分算子"

finite difference operator
finite difference scheme

Related Translations:

差分算子表:  difference operator table

线性常系数差分方程:  linear constant-coefficient difference equations

有限保证:  limited guaranteerestricted guarantee

有限母体:  finite population

文化水平有限:  have had little schooling

有限长度:  finite length

有限字母:  finite alphabet

有限孔径:  finite aperture

有限政府:  limited government

有限对策:  finite game

Example Sentences:

	1.	In the thesis , the fundamental formula of ffd method derives from the square root that is approximated by a continued fraction expansion in the one - way wave equation . optimizations of the parameters of the finite - difference operator improve the validity of the method 本论文用连分式近似单程波波动方程中的平方根导出ffd算法的基本公式，并对ffd算法中的有限差分算子进行了系数优化，进一步提高了计算的有效性。
	2.	A hybrid migration method , named " fourier finite - difference migration " , is a post - stack depth migration scheme . the downward extrapolation operator is split into three operators : one operator is a phase - shift operator for a chosen constant background velocity , another operator is the well - known first - order correction term , and the third operator is a finite - difference operator for the varying of the velocity function . phase - shift downward extrapolation and finite - difference downward extrapolation preserves the advantage of phase - shift method and finite - difference method 傅立叶有限差分(简称ffd )偏移算法是一种叠后深度偏移算法，其向下延拓算子是一种混合算子，包括三项：一项是处理常速的相移算子，一项是一阶相移修正算子，最后一项是类似45度方程的有限差分算子，用来处理剧烈横向变速。
	3.	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，从平方根算子的近似展开出发对频率?空间域的有限差分算子、混合域(频率?空间域；频率?波数域)的fourier有限差分算子、混合域的广义屏算子进行了推导并对其波场描述精度、对横向变速的适应性、计算效率和稳定性进行了比较与评述。

Similar Words：

"有限差分偏移" English translation, "有限差分偏移叠加法" English translation, "有限差分商" English translation, "有限差分深度偏移" English translation, "有限差分时间偏移" English translation, "有限差分网格" English translation, "有限差分演算法" English translation, "有限差近似" English translation, "有限长锭料" English translation, "有限长度" English translation