差分算子的英文

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"差分算子"怎么读用"差分算子"造句

英文翻译手机版

finite difference operator

"差分"英文翻译 difference
"算子"英文翻译 operator
"差分算子表" 英文翻译 : difference operator table
"反差分算子" 英文翻译 : inverse difference operator
"后向差分算子" 英文翻译 : backward difference operator
"近似差分算子" 英文翻译 : approximate difference operator
"前向差分算子" 英文翻译 : forward difference operator; forward-difference operator
"一阶差分算子" 英文翻译 : first difference operator
"有限差分算子" 英文翻译 : finite difference operator; finite difference scheme
"中心差分算子" 英文翻译 : central difference operator
"常微分算子" 英文翻译 : ordinary differential operator
"二等分算子" 英文翻译 : halver operator
"积分算子" 英文翻译 : integral operator; integration operator
"积分算子核" 英文翻译 : kernel of integral operator
"偏微分算子" 英文翻译 : partial differential operator; partial-differential operator
"弱微分算子" 英文翻译 : weak differential operator
"微分算子" 英文翻译 : differentiating operator; differentiation operator; differenzialoperator differential operator; diffuse operator
"伪微分算子" 英文翻译 : pseudodifferential operator
"微分算子, 微分算符" 英文翻译 : differential operator
"并元积分算子" 英文翻译 : dyadic integral operator
"积分微分算子" 英文翻译 : integro differential operator
"奇异积分算子" 英文翻译 : singular integral operator
"微分算子的阶" 英文翻译 : order of a differential operator
"无关微分算子" 英文翻译 : independent differential operators
"向量微分算子" 英文翻译 : del-operator

例句与用法

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
In the fourth chapter , we also propose some methods to optimize the parameters of the hybrid genetic algorithm , when used these ways in hybrid genetic algorithm ( ga + simplex ) , the results we got are much better than before
第四章针对求解第三章提出的模型问题，我们提出了差分算子，并对这个算予做了详细的测试，在这基础上提出了改进的混合遗传算法，且成功运用该算法求解了该模型。
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。
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。
This paper use techniques of linear windows , differential operator , min operator , fuzzy - mathematics and mathematical morphology to complete the precise orientation of license plate , and use horizontal projection and local - least value techniques to complete the segmented of the characters , and the artificial neural network technology is applied to complete the character recognition
本文应用线窗口、差分算子、 min算子、模糊数学、数学形态学等技术手段完成了车牌的精确定位，应用水平投影、局部最小值等方法完成了车牌字符的分割，应用神经网络感知机等技术解决了字符识别的问题，开发出实用的算法。
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，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。