Chinese translation for "least-squares fit"
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- 最小二乘法拟合
Related Translations:
- Example Sentences:
| 1. | By least - squares fit of the measured data of speckle correlation function to the obtained quantitative expression , parameters of random surfaces can be extracted
采用最小方差拟合的方法，将散斑相关函数的测量结果与所得到的表达式进行拟合，可以提取出随机表面参量。 | | 2. | Experimental result , such as excitation potential in frank - hertz experiment , can be quantitatively presented with least - squares fit instead of the average method
通过具有教学普遍意义的“夫兰克赫兹实验”中原子定态能级分析，指出常用的平均法或“类平均法”的局限性。 | | 3. | The parameters obtained by the least - square fitting deviate from the relations derived from ab formula , abc formula and harris formula , but are closer to relations deduced from ab formula and abc formula
由最小二乘法拟合计算出参数，讨论参数之间的关系，发现他们对ab公式、 abc公式和harris公式的预言存在不同程度的偏离。但相对而言， ab公式、 abc公式的预言较好。 | | 4. | The least - squares fitting for regular surfaces , such as planes , spheres , cones , tori to 3d data points is researched . the efficiency of computing is improved greatly and the effect of singularities on fitting is avoided
研究了规则曲面的拟合算法，给出最小二乘法拟合平面、球面、圆柱面、圆锥面、圆环面等规则曲面的方法，这些方法的显著优点是提高了计算效率，避免了拟合过程中奇异点的影响。 | | 5. | 3 j uttler b , felis a . least - squares fitting of algebraic spline surfaces . advances in computational mathematics , 2002 , 17 : 135 - 152 . 4 yang z w , deng j s , chen f l . dynamic implicit curve reconstruction based on approximate geometric distance
其中广义特征向量拟合模型能较好地反映目标形状的拓扑结构，距离函数则近乎完美地刻画了目标的几何信息，因此所得初始隐式曲线曲面能很好地适用于动态重构的迭代过程。 | | 6. | Then , the hilbert transform is applied to each modal response to obtain the instantaneous amplitude and phase angle time histories . a linear least - square fit procedure is proposed to identify the natural frequency , damping ratios , physical mass , damping and stiffness matrices from instantaneous amplitude and phase angle for each modal response
然后对各阶模态响应进行hilbert变换，得到瞬态幅值和相位角的时间历程，再运用线性最小均方拟合来识别自然频率、阻尼比、质量、刚度和阻尼矩阵。 | | 7. | Phase - shifting errors have a great influence on the measuring - accuracy . a few of algorithms have been developed to solve linear phase - shifting errors , but ca n ' t solve the problem of random phase - shifting errors . an iterative least - squares fitting method has been proposed by in - bok kang to solve random phase shift errors in each interferogram
在这种方法中相移的误差对测量结果的准确性有较大影响，虽然已经出现了不少算法能解决线性相移误差，但要解决相移过程中的随机相移误差问题，还存在一定的困难。 | | 8. | For h - d scattered data , local weighted least - squares fitting ( llsf ) methods for approximation and interpolation are respectively put forward and the latter is got by adjusting weight function in the former case , and the interpolating method is also used to construct hyper - surface models with the radial function . the problem of choosing weight function during local least square approximation is discussed and two good weight functions are given : one with a parameter , the other with no parameter . based on them
二、对非规则区域上分布的h - d数据，提出了散乱数据超曲面拟合的局部最小二乘逼近法。通过对局部最小二乘逼近的权因子作适当的改进，得到了拟合精度较高的局部最小二乘插值法，还用径向基函数构造了超曲面模型，找到了一种性质好带参数的权函数以及另一种有着普遍精度性质的不含参数的权函数，获得了较好的逼近效果。 |
- Similar Words：
- "least-squares approximation" Chinese translation, "least-squares cell dimension" Chinese translation, "least-squares cubic equation" Chinese translation, "least-squares estimate" Chinese translation, "least-squares estimation" Chinese translation, "least-squares line" Chinese translation, "least-squares linearity" Chinese translation, "least-squares method" Chinese translation, "least-squares procedure" Chinese translation, "least-squares refinement" Chinese translation
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