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- The Principle of the least squares method is applied to the static calibration of strain guage balances. 本文将最小二乘法原理应用于应变式天平的静校。
- In each cluster, the parameters of submodel are obtained by the weighted least squares method. 以隶属度为权值,采用加权最小二乘算法提高子模型辨识精度;
- Then the more precise initial parameters could be obtained with a computationally attractive least squares method. 应用最小二乘法,得到较为精确的参数初始值;
- The straightness error can be evaluated by minimum zone method, linking two points and least squares method. 首先分别介绍了直线度误差的三种数据处理方法,两端点连线法、最小二乘法和最小区域法。
- C1 is obtained using the least square method. C1 被获得使用最没有正直的方法。
- In this article, phase unwrapping of the fringe produced from the raw data of SIR C/X SAR was discussed. First, Pritt's least squares method was used. 以 SIR- C/ X- SAR真实数据得出的相位条纹为对象 ,用 Pritt的最小二乘法做了展开。
- Based on the least squares method, the method of nonlinear error adjustment of self anchored suspension bridge in construction is presented. 摘要以最小二乘法为基础,提出了自锚式悬索桥施工过程中的非线性误差调整方法。
- This type of global optimization consists of many local optimization runs with or without the excape function using the damped least squares method. 这种全局优化的运行由多个不加或加入逃逸函数的阻尼最小二乘法局部优化组成。
- A sequent least square method with distance constraint is used to compute the line parameters from the image to reduce the influence of the noise. 为减小噪声点影响,给出一种距离约束准则下的序贯最小二乘直线拟合方法。
- The Yakobi Matrix is obtained using numerical method, and the nonlinear problem is linearized.The model parameters are modified by way of iterative least squares method... 该方法利用数值方法求出雅可比矩阵,将非线性问题线性化,然后以迭代的方式修正模型参数,直到满足预定的要求。
- But its estimation quality is worse than Weighted least squares method and it is noneffective while the real or reactive power measurements is not appear as a pair in power grid. 充分利用配电系统量测配置多的特点,将电流量测作为已知量带入状态估计计算,克服了等效电流量测变换算法无法处理单个的有功或者无功量测的不足。
- By which linear and non linear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper. 利用该方法对非线性频响函数进行估计,并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
- Turning wafers and making the melatope form the round track,plenty of measuring points are fit to gain the radius of the circle and the coordinate of the circle center by least squares method. 转动晶片使光轴的出露点形成圆形轨迹,通过最小二乘法对多个测试点拟合得到圆半径和圆心坐标。
- Then inversion of the advanced detection is caried out by least square method. 然后采用最小二乘法对超前探测视电阻率曲线进行快速反演。
- The Paper presents a new U-D factorization based least squares methods for complex estimation. 本文提出了基于复数U-D分解的复参数最小二乘估计方法。
- Analyzes the in situ pressure testing curve of SFT by means of the straight line simulated. Using the least square method the value for fomation pressure is obtained, the calculation of testing radius based on the stable sepage flow principle is made. 分析了SFT现场实测曲线,利用最小二乘法拟合的直线求得了地层压力,并采用稳态渗流原理计算出测试半径,进而应用这些资料分析了油气藏压力,泥浆柱压力以及确定了动用层位和井间连通关系等参数。
- Selecting the AIC criterion as the selection principle to get the system model orders, recognizing the model parameters by the least squares method, it has recognized the system ARX model. 选用AIC准则作为系统模型阶次的选择原则,以最小二乘法来辨识模型参数,辨识了系统的ARX模型。
- The least square method was used to fit the ground level line into a bidirectional lateral grade, and then to calculate the cross-sectional areas of earth work, effectively ensuring the calculation accuracy together with improving the calculation speed. 采用最小二乘法将地面线拟合成双向横坡来计算各断面的填挖方面积,提高计算速度的同时,有效保证了计算精度。
- To control the effect of error, we apply a method to solve the data combination of arrays systemic error correction based on the least squares methods. 为抑制相邻排列间数据系统误差影响,运用多排列数据拼接系统误差的校正方法,这是一种最小二乘准则下的计算方法。
- The algorithm has also been used in experimental analysis.CONTIN's results are compared with those of Exponential Sampling method and Nonnegative Constrained Least Squares method (NNLS). 利用实验测量比较了指数采样法、非负约束最小二乘法(NNLS)和CONTIN算法的反演结果。