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quadratic polynomial
相关语句
  二次多项式
    Realization of Conversion from the 54~(th) Coordinate to the 80~(th) Coordinate by Using the Quadratic Polynomial
    用二次多项式实现54坐标到80坐标的转换
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    After choosing some GPS control points as reference points,Regard ER Mapper 6. 2 as platform,we use quadratic polynomial to process the geometric rectification of images. After the rectification. The errors of points in the image is one meters or so.
    选择若干个GPS地面控制点作为参考点,以遥感图像处理软件ER Mappwr6.2为平台,对图像进行二次多项式几何精校正,纠正后的图像点位误差在1m左右,说明纠正后的图像具有较高的几何精度。
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  quadratic polynomial
The velocity of the sheet is a quadratic polynomial of the distance from the slit and the sheet is subjected to a linear mass flux.
      
The interpolant is obtained patching together cubic with quadratic polynomial segments; it is co-monotone and/or co-convex with the data.
      
Cubic-spline and discrete-quadratic polynomial techniques are presented for reliably computing up to third-order derivatives of experimental information.
      
An algorithm to recover bit timing is proposed which maximises a quadratic polynomial approximation to the log-likelihood function.
      
The formulae are characterized by the presence of an infinite series whose general term consists of a linear recurrence damped by the central binomial coefficient and a certain quadratic polynomial.
      
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The shortcomings of quadratic polynomial model are analyzed in secular predicting satellite clock error. Based on the gray system theory and changing law of clock error, the gray predicting model is established by making use of a few observation examples. Its result is compared with quadratic polynomial model. Calculating results show that the short-term predicting precision of the two models is almost same, but the gray predicting model remarkably improves the secular predicting accuracy of satellite...

The shortcomings of quadratic polynomial model are analyzed in secular predicting satellite clock error. Based on the gray system theory and changing law of clock error, the gray predicting model is established by making use of a few observation examples. Its result is compared with quadratic polynomial model. Calculating results show that the short-term predicting precision of the two models is almost same, but the gray predicting model remarkably improves the secular predicting accuracy of satellite clock error, so the gray predicting model is fitter to be used in practice.

分析了二次多项式模型在卫星钟差长期预报中的缺陷,依据灰色系统理论和卫星钟差的变化规律,以较少的观测样本建立了预报卫星钟差的灰色预测模型,并将其与二次多项式预测模型进行分析比较。计算结果表明,两者的短期预报精度基本相当,而灰色系统模型的长期预报精度要明显地优于二次多项式模型,更适合于实际应用。

This article carries out experiments on high resolution QUICKBIRD image, By the processing of fusion, the image with more high revolution is close to true color,and can be recognized better.After choosing some GPS control points as reference points,Regard ER Mapper 6. 2 as platform,we use quadratic polynomial to process the geometric rectification of images.After the rectification.The errors of points in the image is one meters or so. It is proved that the image have more high accuracy.

以高分辨率的Quick Bird卫星数据为对象,经影像信息融合,使处理后的图像分辨率提高且接近真彩色, 具有良好的判识效果;选择若干个GPS地面控制点作为参考点,以遥感图像处理软件ER Mappwr6.2为平台,对图像进行二次多项式几何精校正,纠正后的图像点位误差在1m左右,说明纠正后的图像具有较高的几何精度。

 
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