然后用相同的小波基对给定的环境光做小波变换，只保留其中绝对值较大的系数，从而得到环境光的非线性逼近。
Then, it approximates the environment map in the same wavelet basis by keeping only the largest terms to get a non-linear approximation of the environment-map.
介绍了笔者在流量计量实践中所用过的逼近法和待定系数法。
The author describes the approximation and method of undetermined coefficients used in the practice of flowrate measurement.
为确定代表土抗剪强度的节理单元竖向刚度系数，文中提出了一套相应的计算公式和试算迭代的计算方法，用来逐步逼近其真值。
In order to approximate the actual vertical stiffness coefficients of the joint elements representing the shear strength of soil, formulas and iteration method are suggested.
首先确定初始阈值，并构造小波系数的关系矩阵，然后结合关系矩阵对高频子带系数进行逐次逼近量化编码。
Finally, the initial threshold is identified and relation matrix is constructed, and the wavelet coefficients of the high frequency subbands are encoded progressively by using relation matrix.
对两幅图像低频波段的逼近系数取均值，对高频段选取绝对值大的小波包系数，得到融合系数矩阵。
Approximate coefficients in low frequency band of two images and the average over absolute wavelet packet coefficients of high frequency brand form a fused coefficients matrix.
本文简要地介绍与分析了变位系数的一般选取方法即试算法与微分逼近法。
This paper gives a brief description and analysis of two general methods of selectingcorrection factors, those are, by cut and trial and by differential approximation.
然后给出了求解逼近给定幅相频率响应的FIR实系数滤波器的线性规划方法；
Then a linear programming method is proposed to construct the FIR filter correcting the amplitude and phase errors simultaneously.
该方案结合逐次逼近量化的思想根据图像小波分解后系数的多分辨特点来模拟人类视觉系统特性，并在图像试验中结合感兴趣区域进行编码。
The scheme simulates HVS with the idea of SAQ based on the character of MRA of image coefficients after wavelet transform, which is put into experiments with ROI encoding.
还公开了用于求解帕德逼近式系数以及校准以大规模生产为基础的每个传感器单元的方法。
Methods for resolving the Pade 'Approximant coefficients and calibrating each sensor unit on a mass production basis are also disclosed.
还公开了用于求解帕德逼近式系数以及校准以大规模生产为基础的每个传感器单元的方法。
Methods for resolving the Pade 'Approximant coefficients and calibrating each sensor unit on a mass production basis are also disclosed.
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