线性拟合

  • 网络linear fit;Fit Linear;fitting a straight line;linear regression
线性拟合线性拟合
  1. 最终确定PLS和SVM分析得到的预测模型与文献数据有较高的线性拟合且具有良好的预测能力。

    Finally , the predicted models of PLS or SVM had a higher linear fit with literature data and a good predictability .

  2. 利用Excel软件处理物理化学实验原始数据,应用Origin软件对处理好的数据进行作图、线性拟合等处理,可大大缩短数据处理时间,减少引入的误差;

    The Software Excel and Origin are employed in the paper to process the physical chemistry experimental initial data , plotting and linear fit . The method is convenient , quick and time - saving , and can effectively diminish errors in data handling .

  3. 送电线路航测GPS高程的线性拟合

    Linear Fitting of GPS Altitude In Transmission Line Aerial Surveying

  4. 用Origin剔除线性拟合中实验数据的异常值

    Data Rejection in Linear Fitting Using Origin

  5. 基于Matlab的线性拟合计算

    Study on Linear Fitting Algorithm Based on Matlab

  6. 通过CO2在活性炭上的吸附数据,利用线性拟合和非线性拟合分别得到Dubinn-Astakhov方程中的q值。

    Q value in the Dubinin-Astakhov equation obtained by linear and nonlinear fit based on CO2 adsorption on activated carbon .

  7. 同时,对所得到的拟合直线,用Fuzzy线性拟合相关系数描述了它的置信度;

    Then we put forward the degree of possibility for the straight line obtained , which is named the Related Coefficient of Fuzzy Fitting of A Straight Dine .

  8. 结果表明,这两种模型都能给出比较满意的线性拟合效果,使Cu的标准偏差由4.615降低到0.0549。

    Experiment results show that both correction models can be given satisfactory liner-fitting effect for Cu its standard diviation is reduced to 0.0549 from 4.615 .

  9. 其次,根据混沌特性中的短时可预测性介绍了局部线性拟合和AR模型预测算法。

    Secondly , the locally linear prediction and AR model is introduced for the chaos sequences have the character of local predictability .

  10. 选用新疆地区1978~2005年28个MS≥5.5地震,分析研究线性拟合优度r值在这些中强地震前异常变化过程,总结出r值震前的变化特征。

    Selecting 28 M_S ≥ 5.5 earthquakes of Xinjiang from 1978 to 2005 , we analyze abnormal changing process of r value of linear goodness of fittest before these mid-strong earthquakes .

  11. 求得能量密度谱后,线性拟合可求得不同流逝时间各频点的QC值。

    After obtaining coda power spectrum , we can calculate Q_C value of various frequency points by linear fitting .

  12. Langmuir吸附模型较高的线性拟合常数说明吸附过程是单层吸附。

    The higher linear regression constants of langmuir adsorption model show that Adsorption process is monolayer adsorption . 4 .

  13. 采用波长插值、时空匹配将地基数据和MODIS气溶胶产品匹配在一起,然后采用线性拟合的方法进行对比分析。

    We match AERONET ground-based data with MODIS aerosol product by band interpolation and temporal-spatial matching , then compare and evaluate them by linear fitting .

  14. 本研究认为,采用该技术来进行分析测量系统的动态不确定度评估,其贡献量可由质控样品(QC)和线性拟合两部分合成。

    By using this technique , the dynamic uncertainty contribution of an analytical measurement system comprises of uncertainties of quality control ( QC ) sample measurements and linear fitting .

  15. 探讨了运用microsoftexcel2003为平台,设计制作物理化学实验数据处理程序的方法,介绍了对物化实验数据进行作图、线性拟合和非线性拟合等的数据处理方法以及在物化实验教学中的应用。

    This paper discussed the methods to edit the programs of physical chemistry experimental data processing on the basis of Microsoft Excel 2003 , and introduced the construct of linear and nonlinear regression in the physical chemistry experimental teaching .

  16. 其次分析和探讨了GPS高程转换的方法,将其分为四种类型:线性拟合模型、平面拟合模型、地球重力场模型拟合法、地球重力模型与GPS水准相结合法。

    Then analyses and discusses the method of transformation of GPS height , which is divided into four types : linear fitting model , plane fitting model , earth gravity model fitting method , the gravity model in combination with GPS leveling .

  17. 通过相邻两帧间匹配的SIFT点对,建立最小二乘模型,求解目标的缩放系数,通过当前模板和检测结果进行线性拟合的方法更新目标模板。

    By analyze the results of SIFT points matching , we establish the least-square module and we update target template by using linear fitting method for current template and detection results .

  18. 为探究SWNT-OH电阻变化率与SO2气体浓度的关系,对其响应曲线进行了线性拟合。

    To explore the relationship between the rate of resistance change of SWNT-OH and the concentration of SO2 , their response curves were linearly fitted .

  19. 完全互溶双液体系气&液平衡t-x关系式的线性拟合方法

    The Linearity Fitting Method for the t-x Formula under the Gas-Liquid Equilibrium of Compatible Liquid-Liquid System

  20. 根据常见的液相吸附模型,对吸附等温线数据进行线性拟合,拟合后直线与线性Langmuir方程基本重合,这证实该吸附过程属单层Langmuir型吸附。

    According to the general models of liquid phase adsorption , the data of adsorption isotherms is linear fitted , and the fitted curves and the lineared Langmuir curves are basically in coincidence .

  21. 介绍了一种已知阶跃输入下系统实验结果,通过编写M文件和线性拟合,利用MATLAB的图形功能,辨识系统参数和传递函数的图解方法。

    The paper presents a diagrammatic method under the experimental result of the known step up input signal , by use of the graphics function of MATLAB , through programming the M document and linear fitting , for identification of system parameter and transfer function .

  22. 采用Excel的添加趋势线方法对玻璃退火温度的实验数据进行线性拟合,与用最小二乘法拟合计算相比,大大地简化了计算过程,具有方便实用的特点。

    Comparing with using least squares techniques , adopting the method of adding tendency chart by Excel for the linear fitting calculation of the experimental data of the glass annealing temperature can greatly simplify the procedures . The method is convenient and practical .

  23. 从低温疲劳实验的相关系数可以看出,用线性拟合来回归中值S-N曲线是成功的,而且根据不同的安全概率,可以计算出不同的安全疲劳寿命。

    It is successful to obtain the S-N curve by linear regression from the relative coefficient of low temperature fatigue experimental data . Different safety fatigue life can be estimated according to different safety probability .

  24. 封装后的实验测量值可达到理论值的94%以上,FBG的挠度传感灵敏度约为±0.02,其对称性亦很好,线性拟合度分别达到0.9958和0.9977。

    After packaging the experimental values are up to 94 % of the theoretic values . The deflection sensitivity of the FGB is about ± 0.02 and good symmetry is also obtained . Their correlative coefficients are 0.995 8 and 0.997 7 respectively .

  25. 对单向Cf/SiC复合材料进行了三点弯曲疲劳性能测试,得到了复合材料的应力-寿命曲线(S-N曲线),并对其进行线性拟合,得到疲劳最大应力与复合材料疲劳寿命的关系;

    The fatigue properties of UD-C f / SiC composites were tested using three points bending method . The curves of the maximum fatigue stress versus cycles to failure were obtained . And the curves are linearly fitted .

  26. 实验得到了铜在常温下的调制频率与相位差间的实验数据,通过对实验数据的线性拟合得到了铜的热扩散系数,以及铜-不锈钢在300K和20K低温下的接触界面层热阻。

    The experimental data of copper was obtained about the phase lag dependence of modulation frequency at normal temperature , and the thermal diffusivity of copper was acquired by using the linear fit .

  27. 对采样率为10kHz,过渡带为800Hz至3800Hz的10阶FIR高通滤波器幅频响应曲线过渡带局部进行线性拟合。

    A linear fitting algorithm is applied to the frequency response of a 10-order high-pass FIR filter with 10 kHz sample rate and a transition band from 800 Hz to 3 800 Hz .

  28. 侵蚀部位土壤δ13C值与SOC含量线性拟合的倾斜角β与地形坡度成正相关,与粘粒含量成负相关,是反映SOC周转的一个良好指标。

    The slope (β) of linear regression between isotopic composition and SOC concentration was positively related to slope gradient of the landscape and negatively related to clay content , indicating that β could be used as a useful index to describe mineralization of SOC at the erosion position .

  29. 使用曲线拟合函数polyfit,采用G.E.Boyd液膜扩散方程、Langmuir吸附等温式和Freundlich吸附等温式等对实验数据进行了线性拟合,拟合结果和使用Origin7.0拟合结果相同,且线性相关系数均接近于1。

    E. Boyd 's diffusion , equation of liquid film , Langmuir isotherm and Freundlich isotherm , etc. The results were the same as that made by Origin 7.0 , and the correlation coefficients were all close to 1 .

  30. Redlich-Peterson和Freundlich非线性拟合优于线性拟合。(4)建立活性炭固定床传质模型,考察传质系数、温度、浓度和空塔速度对浓度分布的影响。

    The nonlinear fitting of Redlich-Peterson isotherm and Freundlich isotherm were better than the linear fitting . ( 4 ) A mass transfer model of fixed-bed system was derived . The effects of mass transfer coefficient , temperature , inlet concentration and superficial velocity on concentration distribution were studied .