The boundary condition at farfield is approximated by that at infinite.
远场边界条件由无穷远处的条件近似代替。
The relation between the chlorinity and porosity may be approximated by a hyperbola.
含氯量和孔隙度之间的关系图式也许近似于一条双曲线。
Any continuous curve can be closely approximated by a series of small parabolic segments.
任一连续曲线可以借一系列很小的抛物线线段较精密地近似表示。
This method is applicable to spots, defects or areas where they can be approximated by known areas.
本方法适用于可通过已知区域估计的斑点、瑕疵或区域。
The nonlinear plant is approximated by a Takagi-Sugeno fuzzy linear model using local linearization method.
采用局部线性化方法，用T-S模糊线性模型逼近非线性系统。
The algorithm is based upon an exact penalty function that is approximated by a family of smooth functions.
该算法基于一个近似于光滑函数族的精确的罚函数。
A SAR image is regarded as a 2-d continuous function and is approximated by support vector regression (SVR).
将SAR图像看作连续二维函数，利用SVR方法对其进行逼近。
At higher temperatures the equation of state becomes better and better approximated by the "perfect gas" law.
在更高的温度区内，状态方程越来越接近于“理想气体”定律。
The GGE data is then subjected to singular value decomposition and is approximated by the first two principal components.
对GGE 作单值分解，并以第一和第二主成分近似之。
Correction for drift caused by the adoption of rifling in big guns was approximated by inclination of the rear sight bracket.
并且靠稍微偏移后瞄准座来修正大型火炮因膛线所带来的偏流。
The main results are: 1. The horizontal wind speed fluctuations at any height may be approximated by a Gaussian distribution.
得到下面主要结果：(1)各个高度上水平风速模涨落的概率分布近于正态律。
In this method, the non uniform media is approximated by multi layer dielectric media and modeled as a cascaded transmission line.
这种方法将一维不均匀介质用多层介质近似，并进一步用级联的传输线模型等效。
The impedance function is approximated by fractional polynomial, which is represented as a series connection of parallel RL elements (Foster form).
阻抗函数用分式多项式近似，并表达为串接的并联电阻、电感的福斯特电路形式。
The finite difference depth migration equation in space-frequency domain can be derived when the radical expression is approximated by continued fraction.
采用连分式近似，可以得到空间频率域的有限差分深度偏移方程。
A smoothing function which can be approximated by NCP-function is given and the smoothing Newton method is applied to resolve this nonsmooth operator equation.
构造一个光滑化函数逼近NCP函数，利用光滑化牛顿法求解此非光滑算子方程。
The projective curves along the horizontal and vertical directions were obtained from the character images, and were approximated by using wavelet decomposition.
通过对字符图像水平和垂直两个方向的投影曲线分别进行小波分解，得到投影曲线的近似表示。
A new calculation is presented, in which the given functions or curves defined by dispersed coordinate points are approximated by quadratic curve in several parts.
本文提出将给定函数或离散坐标点定义的曲线，分段用二次曲线拟合的计算方法。
It should be remembered that the transitions that have been described by the phase diagrams are for equilibrium conditions, which can be approximated by slow cooling.
应该记住的是由状态图描述的这种转化只适合于通过缓慢冷却的近似平衡条件。
It should be remembered that the transitions that have been described by the phase diagrams are for equilibrium conditions, which can be approximated by slow cooling.
应该记住由状态图描述的这种转化只适合于通过缓慢冷却的近似平衡条件。
The weight vector of beamforming is estimated by Doppler information of the signal first, then it is approximated by RBFNN to carry out the blind optimizing beamforming.
该方法首先在不知道任何基阵方向向量先验知识的情况下，利用信号的多普勒信息估计波束形成的权矢量。
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.
所得的非饱和土壤水运动方程对时间的差分方程，在空间上不仅可用有限元法而且可用有限差分法处理。
We point out that the equation can be approximated by a set of linear ones and the exciton polarization wave can be regarded as a Bose field only in the limit of low excitation.
我们指出只有在激发比较弱时，这组方程才可近似为一组线性方程，电子空穴极化波才可以看作玻色场。
Physical object of bus protection is a function with certain relation between inputs and outputs, which can be replaced by an ANN model, i. e. can be approximated by an ANN mathematical model.
母线保护的物理对象是一个输入输出关系确定的函数对象，可用一个ANN模型去替代，或用一个ANN数学模型去逼近母线保护物理对象的输入输出之间的函数关系。
The Gaussian index profile of a diffused optical waveguide is approximated by an appropriate polynomial, and the asymptotic solutions of the mode efficient index is derived in a analytical form.
本文用适当的多项式函数近似扩散光波导的高斯折射率分布函数，推导了导模有效折射率的解析形式渐近解。
The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.
基于图像离散余弦变换(DCT)交流系数的拉普拉斯分布模型，提出了一种盲提取数字图像信息隐藏算法。
The ac coefficients of an image's Discrete Cosine Transform (DCT) are best approximated by Laplacian distribution model. Based on this model, the blind information hiding algorithm was proposed.
基于图像离散余弦变换(DCT)交流系数的拉普拉斯分布模型，提出了一种盲提取数字图像信息隐藏算法。
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