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1)  Least Squared Criterion
最小二乘方准则
2)  least square criterion
最小二乘准则
1.
In order to exert the efficiency of the maintenance support system furthest, the optimization model of the system is established at the least square criterion, and the genetic algorithms are applied to calculate the optimization model with calculation methods presented, which .
分析了战时维修保障系统的结构功能,给出了维修保障系统的解析模型,提出了维修保障系统的可控参数及指标;为了使维修保障系统发挥最佳效能,以最小二乘准则作为系统的优化准则,建立了维修保障系统的优化模型,采用遗传算法对优化模型进行求解,给出了计算方法,并以计算实例验证了方法的可行性。
2.
This paper rewrites least square criterion J(n)=∑ni=1λ n-i |e(i)| 2 ,one of the optimal criteria of adaptive filtering algorithm,into matrix form,and proposes a new adaptive filtering algorithm by using recursion of generalized inverse matrix to input signal matrix instead of self-correlation matrix.
本文把自适应滤波算法的优化准则之一最小二乘准则 :J(n) =∑ni=1 λn -i|e(i) |2 写为矩阵形式 ,利用矩阵广义逆递推公式直接对输入信号矩阵而不是自相关矩阵进行递推更新 ,得到一种新的自适应滤波算法 。
3.
Through calculating the multiple correlation coefficients between combinations of different function and the recorded data under the least square criterion, the truncated functions which can mostly reflect the studied physical phenomenon was objectively distilled from these data.
针对经典低阶谱模式存在的不足,提出了在最小二乘准则下通过计算不同函数组合与实测资料间的复相关系数,从实际观测资料中客观提取能反映具体物理现象的截断函数的新方案。
3)  LS criterion
最小二乘准则
1.
Based on the LS criterion,centralized and distributed parameter estimation data fusion algorithms are presented when all the sensors synchronously measure the same constant parameter more than once,the two algorithms are equivalent and globally optimal.
在最小二乘准则下,提出了多传感器测量系统在多次同步测量时的集中式和分布式参数估计数据融合算法,两种算法完全等价,且都是全局最优的。
4)  least squares criterion
最小二乘准则
5)  standard damped least-squares method
标准阻尼最小二乘方法
6)  least square
最小二乘方
1.
A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.
提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法 ,并对其特性进行分析。
2.
In this paper,real-time separation is conducted using the principal of least square as well as the fact that the speech signal is non-stationary.
在本文中,利用最小二乘方原理并结合语音信号非平稳的特点,对混合语音信号进行实时分离。
补充资料:非线性最小二乘拟合
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性质:用最小二乘法拟合非线性方程。有些变量之间的非线性模型,通过变量变换可以化为线性模型,此称为外在线性。而有些变量之间的非线性模型,通过变量变换不能化为线性模型,通称为内在非线性。对于非线性模型y=f(ξ,θ)+ε,其残差平方和。S(θ)是θ的函数,当模型关于θ是非线性的,正规方程关于θ也是非线性的。基于使残差平方和s(θ)达到极小的原理求出θ的估计值,拟合非线性回归方程。

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