通过最小化频域平方误差函数并揭示与设计问题有关的一些矩阵的性质，得到了滤波器系数的闭式解。
A closed-form solution for filter coefficients is obtained by minimizing the frequency-domain squared-error function and revealing some properties of the matrices related to the design problem.
而广义移动最小二乘近似要求近似函数及其导数在所有节点处的误差的平方和最小。
However, the generalized moving least squares approximation makes require least squares approximation with regard to functional and its derivative value on all nodes.
仿真实验显示：无论是信噪比还是最小平方误差，改进的软阈值函数比其它三种改进的阈值函数的效果都要好一些。
Simulations show that the improved soft-thresholding function is obviously better than the other three improved thresholding functions in terms of SNR and MSE.
大系统的模型最优简化的积分平方误差法，至今仅仅对输入函数为脉冲、幂函数和正弦函数时有效。
For optimal model - reduction of large scale systems, up to now, the integral-square - error method has been developed for systems with impulse, power or sine function inputs only.
用最小二乘法拟合等离子体粒子能谱实验数据时，通常使拟合函数与实验能谱数据之间的误差平方和极小化。
Fitting a curve for an experimental energy spectrum of plasma particles with the least square method, a square error sum between the fitted curve and experimental spectrum data is usually minimized.
以新息序列的平均平方和为评价函数优化扫描光谱的峰位，消除扫描过程中可能产生的波长定位误差，从而保证滤波结果的准确性，并使实际检出限显著改善。
The whiteness of the innovation sequence for an optimal filter was explored to be the criterion for the correction of the wavelength positioning errors which may occur in spectral scans.
给出了定点计算三角函数、开平方等初等函数的误差分析，并对该算法进行了改进，使计算精度达到火控总体的要求。
Also the error analysis of elementary functions, such as trigonometric and square root functions for fixed point computing, is given.
其根据多普勒雷达径向速度资料的特点，水平方向采用非各向同性的单变量背景场误差协方差函数。
As for the characters of the Doppler Radar radial velocity data, the single variable background error covariance is used. And the anisotropic covariance function is adopted in the horizontal plane.
对衰减因子停止指数函数拟合，两者差值的误差平方和为0.000127，说明此指数函数可以描绘太阳电池阵衰减因子衰降状况。
Attenuation factor of on index function fitting, both poor value error square is 0.000127, indicating that this index function can describe the sun battery array attenuation factor came away.
最佳答案 · 最小二乘法是一种数学优化技术，它通过最小化误差的平方和找到一组数据的最佳函数匹配。
A mathematical procedure for finding the best-fitting curve to a given set of points by minimizing the sum of the squares of the offsets ("the residuals") of the points from the curve.
最佳答案 · 最小二乘法是一种数学优化技术，它通过最小化误差的平方和找到一组数据的最佳函数匹配。
A mathematical procedure for finding the best-fitting curve to a given set of points by minimizing the sum of the squares of the offsets ("the residuals") of the points from the curve.
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