查询词典 interpolation polynomial

Combined with the condition of the study site and test data characteristic, it did quadratic polynomial transform, bilinear interpolation resampling, and gained matched images.

结合本文试验区地形情况和实验数据的特点，对所选影像数据按二次多项式变换、双线性内插方法进行重采样，实现影像间精配准。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly,while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。而全相位延拓DCT内插滤波器能够有效地抑制FIR滤波器的吉布斯效应。

All phase IDCT interpolation filter was a pure 2-D filter which could convert between quincunx sampling grid and square sampling grid directly, while all phase extended DCT interpolation filter could restrain the Gibbs effect of FIR filters.

其中全相位IDCT内插滤波器是纯二维滤波器，且能够直接实现五点梅花形采样矩阵与矩形采样矩阵之间的转换。

In this study adopting the inverse distance weighted to deal with the rain gauge by interpolation, obtaining the rain capacity in every quarter in Minjiang watershed. Kriging interpolation was employed to get the spatial date base of temperature factor and the overall precision reached 95% by external module examination.

2本研究以反距离权重插值法对降雨线的进行内插处理，获取闽江流域各季度的降雨量，温度因子栅格空间数据库采用泛克里格插值获得，经模外检验精度较高，总体精度都达到95％以上。

The equations of two classes of 3D polynomial maps that are equivariant with respect to the rotational symmetries of either a regular tetrahedron group or a regular octahedron group are strictly given, on the basis of which the properties of the general Julia sets created by these 3D polynomial maps are discussed and proved.

从理论上分析并证明了三维多项式映射满足等变的条件，精确地给出了关于正四面体群和正八面体群具有旋转不变对称性的两类三维等变映射的具体公式，在此基础上讨论并证明了三维多项式映射的广义Julia集所具有的性质。

The SEIDEL coefficients solved by wavefront fitting with Zernike annular polynomial and Zernike circular polynomial were compared.

比较对于不同遮拦比的环孔径波面采用Zernike环多项式拟合与采用Zernike圆多项式拟合求取SEIDEL系数的差别。

When the ratio of central obscuration is small, the circular polynomial with 9 terms could take place of the annular polynomial to solve the SEIDEL coefficients in some special situations.

在某些特殊情况下，对于中心遮拦很小的环孔径波面，可以采用9项Zernike圆多项式来代替环多项式进行拟合求取SEIDEL系数。

Because the free form surface expressed by discret points has difficulties in aberration correction, manufacture and test, the Zernike polynomial was adopted to express the free form surface. The performance of this system was optimized on the basis of the relationship between Zernike polynomial and Seidel aberration.

由于离散点表述的自由曲面在像差校正、加工及检测等方面存在困难，提出了采用Zernike多项式表征自由曲面的面形，并利用Zernike多项式与Seidel像差之间的关系，优化自由曲面成像系统性能。

Several interpolation methods are introduced, and their simulation results are compared, and cubic spline interpolation is proved to be the best.

对极坐标距离-多普勒成像中的常用插值算法做了比较，认为三次样条插值是一种比较理想的插值方法。

Simulation indicates that Hermite interpolation is superior to the cubic spline interpolation in harmonic analysis.

仿真表明，Hermite插值比三次样条插值对谐波分析更具优势。

But GST= 0.156, Nm=1. 588. As a result, the foundation of Youyongchi Avicennia marina population was the result of the migration of hypocotyles and human factors.

这项工作可以为海岸防护林中新引进种类的判定以及为研究种群建立者效应方法的确定提供科学依据。

The two-dimensional CDRC-ADI-FDTD update equations for collision unmagnetized plasma are induced. The unconditional stability of the CDRC-ADI-FDTD formulation for collision unmagnetized plasma is obtained by the examples.

推导了碰撞非磁化等离子体中的二维CDRC-ADI-FDTD迭代公式，并用算例验证了碰撞非磁化等离子体CDRC-ADI-FDTD算法也是无条件稳定的。