片语

least t square最小二乘

least-square value最小二乘方值

Least Mean Square最小均方

method least-square最小平方法

least-square line最小二乘线

least-square equation最小二乘方等式

英汉例句

• when determining empirical formula with test method, estimation value of estimated parameter in regression equation which is obtained with least square method always is a long number.

  用实验方法确定经验公式时，回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。

• the least square conjugate gradient and odd values decomposition method also can be used to perform tomographic inversion.

  研制的最小平方共轭梯度算法和奇异值分解法也可进行同样的层析反演。

• the parameters of error model were identified by the least square method.

  采用最小二乘辨识方法，得到感应同步器测角误差模型的系数。

• the dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.

  建立了双频载波相位观测模型，并将其进行无电离层延迟化简，用最小二乘原理推导了天顶湿延迟的估值公式。

• but combination of some coefficients in the least square equations can lead to a serious accumulation errors.

  但线对法求解晶胞参数时，最小二乘方程的某些系数组合可使误差严重积累。

• theoretical analyses and applications all show that the geometric distance least square method is also a good and effective parameter estimation method.

  理论分析和应用实例表明，几何距离最小二乘方法同样也是一种比较有效的参数估计方法。

• 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。

• estimation of gm(1,1) model parameter usually adopts the least square criterion, but test of model precision often uses average relative error criterion.

  估计gm（1，1）模型中的参数通常采用最小二乘準则，而在模型精度检验时又常采用平均相对误差。

• objective to investigate the possibility of application of selective least square fitting method to evaluate the respiratory effort of sedative patients mechanically ventilated.

  目的探讨应用选择性最小平方拟合法无创性评估机械通气病人镇静时呼吸努力程度的可能性。

• in the past thirty years, the work-horse algorithms in the field of digital signal processing and communication have been the gradient descent algorithm and the least square algorithm.

  在过去的三十年中，数字信号处理和数字通信领域中采用的主要优化算法是最速下降方法和最小二乘方法。

• then some parameters of the controller are modulated by hybrid learning algorithm of ladder descent (ld) and least square error (lse) so as to attain better control precision.

  然后通过梯度下降法和最小二乘法相结合的混合学习算法，对控制器参数进行调整以提高其控制精度。

• least square method of polynomial or the method based on the given function are used to fit pump characteristic curve in pump selection or operation.

  在水泵的选型或运行中，通常采用多项式的最小二乘法或根据假设的函数关系来拟合水泵性能曲线。

• in this paper, the least square and laplace's method are used to calculate the approximate solution, to correct the error of the free-form curved lens.

  采用了最小平方函数和拉普拉斯算子范数来求得解的近似，然后进行自由曲面的误差修正。

• the test and fitting principle of ct ( current transducer ) 10%error curve , the processing of acquired data and the algorithms relevant to the fitting technique based on least square are introduced.

  分析了电流互感器10%误差特性曲线测试原理、数据处理方法和基于最小二乘法曲线拟合技术绘制误差特性曲线的相关算法。

• a set of optimal parameters of vector plot is given through least square curve fitting by using measured displacement data and model of linear and parameter time-invariable system.

  本文刊用位移导纳数据和线性、参数时不变系统的数学模型，通过最小二乘方曲线拟合的方法给出最佳的矢端图曲线的参数。

• the joint inversion problem of gravimetric and seismic data in layered medium can be converted into an optimization problem by introducing a weighted least square objective functional.

  该方法通过引入加权最小平方目标泛函，将层状介质中的重力、地震资料联合反演问题转化成具体的优化问题。

• all phase least square approximation to the discontinuous signal is also introduced with less error than the traditional method.

  文中还对间断函数进行了全相位最小二乘方的逼近，逼近误差小于传统方法。

• in order to overcome difficulty of some variables online measurement in industry processes, a inferential estimation strategy based on ann and nonlinear partial least square is proposed.

  针对工业过程中某些变量难于在线测量的问题，提出一种基于人工神经网络（ann）的非线性部分最小二乘的推断估计策略。

• in this paper the recursive least square algorithm is described and a practical recursive algorithm is used in differential protection of transformer.

  本文在分析递推最小二乘算法的基础上，给出了在微机变压器差动保护中采用的实用递推算法。

• a model identification method on multivariate system step response based on least square is given out.

  提出了一种基于最小二乘的多变量系统阶跃响应的模型辨识方法。

• in this paper, a parameter identification method based on least square method for synchronous machines is presented.

  本文介绍了一种基于最小二乘方法的同步电机参数识别的方法。

• this paper presents the performance analysis of recursive least square algorithm with error-saturation in mixture noise.

  本文给出了在混合噪声中非线性递归最小均方误差算法的性能分析。

• a series of theoretical tests say that this new method is applicable to the least square deconvolution of mixed-phase unknown pulse.

  文中给出的一系列理论试算结果表明，该方法适用于混合相位未知脉沖的最小平方反褶积。

• because the separation for gise is an almost singular regression problem, the classic least square method and principal component method are not satisfactorily for solving the problem.

  由于工具误差分离存在着很强的复共线性，传统的最小二乘方法与主成分方法不能很好的解决这一问题。

• the least square problem of the convolution result and real seismic data can be considered as the solution of a huge rarefactional matrix equation, which can be solved by singular value decomposition.

  然后将其与地震子波褶积，使其求解结果与实际地震数据的最小平方问题归结为求解一大型稀疏矩阵方程，并采用奇异位分解法求解。