1) local orientation estimation
局部方向估计
2) local variance estimation
局部方差估计
1.
The improved algorithm was proposed for reducing the ultrasonic image speckle noise and ameliorating image quality,in which the double density dual tree discrete wavelet transform(DD-DT DWT) was combined with the bivariate shrinkage function(BSF) with local variance estimation.
针对去除斑点噪声提高超声图像质量的问题,提出双密度双树离散小波变换(DD-DT DWT)结合局部方差估计的双变量收缩阈值函数(BFS)的图像降噪改进算法实现超声图像降噪。
3) local root square estimation
局部根方估计
1.
The superiorities of local root square estimationfor for mixed coefficient linear model parameter;
混合系数线性模型参数的局部根方估计的优良性
2.
On the basis of studying local root square estimation of parameter in a linear model with mixed coefficients,the properties of this estimation is proved,such as F-optimality and improvement on anti-jamming of least squares estimate under the principle of matrix condition number.
在研究混合系数线性模型参数的局部根方估计的基础上,进一步论证了此估计的F-优良性和在矩阵条件数准则下对最小二乘估计抗干扰性的改进。
3.
Two forms of local root square estimations of parameter d in a linear model with mixed coefficients dL(k) and dL(k) are given in the case of repeatedly measured data, where 0<k<1.
在连续测量数据情况下,给出了混合系数线性模型参数的局部根方估计dL(k)和dL(k)(0
4) local estimate
局部估计
1.
In this paper,the authors improve the coefficient s of the local estimates on harmonic functions’ derivatives from Ck =(2 n+1nk)kα(n) to Ck =(n+k) n+kα(n)n n-k , k∈N, by employing induction and mean-value formulas for harmonic func tions and by looking for the maxima of functions.
本文利用归纳法和调和函数的平均值公式,并通过寻求函数的最大值,把调和函数k阶偏导数的局部估计式的系数由Ck=(2n+1nk)k/α(n)缩小到Ck=(n+k)n+k/α(n)nn-k。
5) local linear Instrumental vector estimator
局部线性工具向量估计
1.
In the paper the varying coefficient macroeconomics simultaneous equations model is proposed,and its local linear instrumental vector estimators are established.
利用变参数计量经济学联立模型研究我国转轨时期的宏观经济,并建立了变参数的局部线性工具向量估计。
6) state and variance estimation
局部状态和方差的估计
补充资料：局部
一部分；非全体：～麻醉 ㄧ～地区有小阵雨。
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参考词条