least square fitting
英 [liːst skweə(r) ˈfɪtɪŋ]
美 [liːst skwer ˈfɪtɪŋ]
网络 最小二乘拟合; 最小二乘法拟合; 最小二乘法; 拟合; 最小方差拟合
双语例句
- Near infrared diffuse reflectance spectroscopy with partial least square fitting ( NIRSPLS) was applied for nondestructive quantification of the content of Pyrazinamide in Pyrazinamide tablets.
应用偏最小二乘法结合近红外光谱法（NIRSPLS）对吡嗪酰胺片中吡嗪酰胺的含量进行了非破坏性定量分析。 - And significance test is carried out through least square fitting method.
并通过最小二乘法线性拟合后进行显著性检验。 - Furthermore, the undetermined coefficients in the laser pointing model were obtained by least square fitting.
通过线性叠加得出激光发射系统指向误差的修正模型。 - Compared with other existing methods, such as least square fitting ( LSQ), the result approximation precision ( second order approximation) is higher.
与传统的最小二乘法拟合（LSQ）相比，本文方法的逼近精度（二阶逼近）要高得多。 - The least square fitting method is simple and prone to program without derivative, integration and iterative, furthermore it can work out the coordinate of center of the best fitting reference circle.
最小二乘法的计算方法简单，不涉及求导、积分、迭代，适合编写计算程序，且可直接得到最接近参考圆的圆心位置坐标。 - A LINGO-based mathematical programming method for the least square fitting
基于LINGO的最小二乘拟合的数学规划解法 - Besides, least square fitting is employed in finite fringe moire deflectogram to eliminate declination error caused by inclination between two grating lines.
对有限宽莫尔条纹图因栅线夹角引起的倾斜项误差采用最小二乘法加以剔除。 - The influence factors on precision of chart datum values from the least square fitting model were discussed.
基于最小二乘潮位拟合传递法的数学模型，对短期验潮站海图深度基准面确定方法进行了研究。 - The genetic algorithm is usually selected as an optimization tool for the least square fitting about ordered plane data by B-spline curves.
在B样条曲线的最小二乘拟合平面有序数据问题中，经常采用遗传算法进行优化。 - The data for the measurement can use direct least square fitting to solve the curvature of the workpiece.
对于测量的数据采用直接最小二乘拟合，从而可以解算出工件的曲率。 - By the least square fitting, the regression equation of the original data can be obtained, with which a large number of simulation data can be generated as training target vectors.
以非线性最小二乘法对原始失效数据进行拟合并得到回归方程，利用回归方程生成大量的仿真数据作为训练目标向量； - Substantially, this method is a smoothing process resulted from the mathematical skills of weighted least square fitting, combining with the iterative method for correct indexing.
其方法实质上是加权最小二乘拟合与叠代修正指标化的技巧相结合的平滑过程。 - The image coordinates of ellipse spots 'centers are picked up using the Least Square fitting method of a ellipses which is located arbitrarily in a plane, and experiment results show that this method is of 0.1 pixel precision.
应用平面内任意位置椭圆的最小二乘曲线拟合法对椭圆形光斑中心的像面坐标进行了提取，实验结果表明该方法的提取精度为0.1个像素。 - An approach to study the sensor characteristics based on least square fitting by product calculation principle is proposed in the paper. The model parameters reflect the nonlinear characteristics and excursion.
本文提出一种基于乘积型最小二乘法的传感器特性拟合方法，模型参数反映传感器非线性特性和漂移特性。 - One is estimating extinction efficient boundary values with least square fitting for return signals of Lidar. efficient teamwork;
在回波信号反演方法上，本研究工作有如下创新：第一，提出了一种估算大气消光系数边界值的新方法.有效的团队合作； - And, the influence of different nonlinear least square fitting algorithm to the fitting accuracy and to the fitting time is also discussed.
此外，还讨论了不同的非线性最小二乘拟合算法对拟合精度及拟合运算时间的影响。得到对于提高组织光学参数的拟合精度具有一定意义的结论。 - The center position of a circle is obtained by center of gravity of region method, three point method and the least square fitting.
本系统采用区域重心法，三点法和最小二乘拟合法对圆心位置进行检测。 - The measurement is expressed as the least square fitting of range and time by the geometrical relation of miss distance parameters.
该方法通过利用脱靶量测量参数的几何关系，将脱靶量测量表示为距离及时间的最小二乘拟合问题，并得出最优估计。 - The mathematics model was established for the discrete data of free-form curve and surface, based on non-uniform B-splines and least square fitting algorithm.
以B-样条函数理论和最小二乘法为数学基础，建立自由曲线、自由曲面的数学模型。 - There are three part calibration methodologies and one path calibration methodology presented: the calibration of the orthogonal plane part, the four points calibration of the circular reference part, the three points calibration of the auxiliary feature points, and least square fitting path calibration.
详细进行了这两类标定算法的研究，提出了正交平面工件标定、圆形基准四点工件标定和辅助特征点三点标定三种工件标定方法和采用最小二乘拟合算法的路径标定算法。 - The orthogonal function is applied in least square fitting of pump characteristic curve to solve the problem.
为解决这一问题，将正交函数用于水泵性能曲线的最小二乘拟合，并配合绘图工具显示拟合结果。 - Study on the least square fitting of coordinate parameter model
坐标参数模型的最小二乘拟合研究 - Least Square Fitting Method with Spline Function for Static Characteristic Equation of Transducer and Measurement System
传感器与测量系统静特性方程的样条函数最小平方拟合方法 - Time domain analysis method is confirmed to be possible by the spectrum analysis of signal. The formula of 3-parameter least square fitting is derived. This method is verified by comparing frequency domain result with time domain result.
通过分析信号频谱，确定了时域分析的可行性，推导了三参数最小二乘正弦拟合的公式，通过时域与频域结果的比较验证了这种分析方法的正确性。 - The system introduces the two algorithms on spot positioning: the gravity of region and the least square fitting.
系统中对于光斑定位常用到的两种算法进行了介绍：重心法与最小二乘圆拟合法。 - In theory, the least square fitting for any spectrum is realized.
在原理上实现了对任意目标光谱的最小二乘拟合。 - Reaction network for catalytic pyrolysis of gasoline was determined based on the reaction law of propylene and light hydrocarbons. Parameters were evaluated by the Nonlinear Least Square Fitting method from the experimental data.
论文中根据丙烯和轻烃的催化反应规律确定了催化裂化汽油的催化裂解反应网络，建立了包含丙烯二次反应在内的八集总动力学模型，并通过非线性最小二乘法进行了参数估计。 - Because the data results need processing in real-time, a straight line least square fitting criterion of simple algorithm and efficiency is adopted in edge detection and the final results processing, satisfying the requirement of the system.
由于测量结果需要实时性，采用了算法相对简便耗时较小的最小二乘法直线拟合方法对边界检测和最终测量结果进行处理，满足了系统的要求。 - Relationship between AA grafting ratio and infrared spectra of AA-g-IPC was obtained by least square fitting.
利用最小二乘法拟合得到了接枝物红外谱图与AA接枝率的关系。