In this paper, we presented the method that implement inverse calculation of Fresnel diffraction.
本文基于菲涅耳衍射计算公式，给出了实现衍射逆运算的方法。
A rapid forward and inverse calculation method of 3-d gravity anomalies is discussed in detail in this paper.
提要本文详细讨论了一种三维重力位场快速正反演方法。
The inverse calculation for the phase of optical wave field of Fresnel diffraction is a significant but difficult work.
衍射光场的相位逆运算是有意义并且困难的工作。
Moreover, in the case of the inverse calculation, it was shown that the stable and efficient convergences were obtained.
并且由例证可见，反算的算法收敛稳定，计算效率高。
The optimal inverse system method is used for generating the driving signals instead of inverse calculation to the system transfer matrix directly.
利用优化逆系统求解驱动信号，避开了传统控制方法中直接对频响函数矩阵求逆的过程。
An inverse calculation method is presented for determining the equivalent gray absorption coefficient of gases under various furnace gas temperature conditions.
提出了一种反演计算不同炉气温度下非灰气体的当量吸收系数的方法。
Collins formula, which describes the diffraction of light wave passed through a near-axis optical system, and its inverse calculation expression are presented in this paper.
给出描述光波通过傍轴光学系统衍射的柯林斯公式及其逆运算表达式。
Dynamic and static mapping techniques are introduced here as the qualitative methods while statistical methods, inverse calculation and principle component analysis are introduced a.
本文提出了一种基于主分量分析法和反向传播神经网络的图像识别方法，并详细阐述了这种方法的具体实现过程。
Dynamic and static mapping techniques are introduced here as the qualitative methods while statistical methods, inverse calculation and principle component analysis are introduced a.
在定量处理方法中讨论了统计学方法、逆运算方法和主分量分析方法。
The method USES the DC component and the first harmonic of a curve's chain code expressed by Fourier series to fit the curve, avoiding the inverse calculation of an array used in general methods.
该方法利用闭合曲线的傅立叶级数表示的直流分量和一次分量实现对闭合曲线的椭圆拟合，可以避免通常椭圆拟合方法中的矩阵求逆问题。
Dynamic and static mapping techniques are introduced as the qualitative methods. Statistical methods, inverse calculation and principle component analysis are introduced as the quantitative methods.
其中在定性方法中介绍了静态和动态标测法，在定量方法中则介绍了统计学方法、逆运算方法和主分量分析方法。
In the calculation of the amount of capital recovery that the inverse operation of annuity present value, capital recovery factor is the reciprocal of annuity present value coefficient.
在资金回收量的计算中，企业年金现值的逆操作，资本回收系数是年金现值系数的倒数。
While the covariance and association factor are closely linked, this article focuses on concise calculation of the unity of the variable and inverse methods of association factor.
而方差和协因数有紧密联系，该文着重讨论协因数的统一变量简明计算及协因数的求逆方法。
The linear forward feedback perceptron with single layer is used to seek the inverse matrix in failure analysis of power system, so that the calculation is simplified.
将单层线性前馈网络用于矩阵求逆的方法，应用于电力系统故障计算中，从而简化了计算。
A new inverse method for geothermal history calculation has been suggested. Differing from other methods this one can give an unique solution.
提出一种新的由矿物中封闭径迹长度分布求解地质热历史的反演模拟计算方法，由该方法可得到地质热历史的唯一解。
Moreover, the inverse problem iterative solving process often requires iterative calculation of electromagnetic scattering-the direct problem middle data.
而且，在逆问题的迭代求解过程中常常需要迭代电磁散射计算一正问题的中间数据。
This paper proposes an inverse heat conduction method model used in computer measurement and calculation to derive the heat transfer coefficient of quenchants during the quenching process.
提出了用计算机进行测量和计算淬火过程中淬火介质换热系数的反传热模型。
This paper presents a way of inverse-direction radiating noise temperature calculation in microwave radiometer receiver. And two methods are given to reduce the radiating noise.
本文介绍了微波辐射计接收机逆向辐射噪声温度的计算方法，同时也给出了降低这种逆向辐射噪声温度的两种方法。
The design of a gradient singularity avoidance pseudo-inverse control law used for double gimbal control moment gyro (DGCMG), its principle and calculation were introduced.
提出了一种用于双框架控制力矩陀螺的梯度型伪逆控制律，介绍了控制律的原理与计算方法。
The scheme of table-driven is adopted to split short operator construction from operation of inverse Q compensation for raising the efficiency of calculation.
采取表驱动方案，将短算子的构建与反Q补偿运算相剥离，极大地提升了计算效率；
Meanwhile a HCMAC neural network is fabricated to replace the complex calculation of the inverse Jacobian mapping.
同时，利用分层神经网络代替视觉空间到任务空间的映射，避免了复杂的逆矩阵计算。
The calculation results show that the forward and inverse analyses of water flow into tunnels are essentially different from each ofter.
结合工程实例分别采用正演和反演方法计算了隧道涌水量，得到本质上不同的结果。
Compared with traditional inverse Fourier transform method, which used zeros padding method, at the same condition of sampling resolution, the method proposed could decrease the calculation load.
与传统的数据长度补零逆傅里叶变换方法相比，在相同的采样分辨率条件下，该方法能有效减小计算量。
It was revealed from the results of experiment and calculation that inverse heat flux of metal radiation is an unavoidable heat transfer char...
根据实验与计算结果，还揭示了金属辐射反向热流是强对流间歇式炉内不可避免的新型传热特征。
Under the ordinary exciting signal, this method of calculation is just in the same form as that for inverse Laplace transformation of rational fraction by partial fraction expansion.
当激励信号是常见信号时，本文提出的方法与求有理分式的拉氏反变换的部分分式展开法在形式上完全相同。
An integral method associated with direct and inverse mode is presented for the calculation of compressible turbulent boundary layer with separations over airfoil.
本文介绍了一种求解二维可压缩紊流分离边界层的正反积分方法。
Taking Kotlial method as an example, this paper discusses the applicability of an inverse computation method for the calculation of stage superimposed type turbine performance.
以柯特略尔法为例，对在级叠加式涡轮特性计算时使用逆算法的适用性进行了讨论。
This method avoids the procedure of finding inverse matrixes and even square calculation, and therefore greatly improves the exactness of prediction.
该法因避免了矩阵求逆和平方运算，使预测精度明显提高。
This method avoids the procedure of finding inverse matrixes and even square calculation, and therefore greatly improves the exactness of prediction.
该法因避免了矩阵求逆和平方运算，使预测精度明显提高。
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