单词 | Curve fitting |
例句 | 1. Two clear cases show that a curve fit can mislead. 2. Goffman's curves fitted very well to those derived by differential equations validated in epidemiology. 3. Finally adopts the method of curve fitting to do the logarithmic spiral fitting, and then do a comparative analysis with the standard components after fitting the curve. 4. Did curve fitting using least squares method, and then raise the measure veracity. 5. Polynomial curve fitting is a usually used data fitting method. When there are too many data for fitting, only just one polynomial curve function cannot acquire good fitting effect. 6. Prediction of handling capacity of a harbour in Zhejiang Province is carried out by integrating regression (curve fitting)with autoregression analysis. 7. A curve fitting and revising Methods: To hydrometer grain analysis is presented, and proved good satisfactory. 8. The eigenvector extracted by this curve fitting can avoid negative effects of the error endpoints and normalize the length of the pitch contour . 9. Using high-order polynomial curve fitting to smooth pre-processed measurement data can provide good results, but will increase processing complexity and even cause instability. 10. The use of quadrature function curve fitting in excavation volume calculation of earthwork wasdiscussed. 11. A chebyshev's best curve fitting method was introduced in this paper, to improve the exchangeability of photoelectric colorimeter based on numerical value correction. 12. Gives a new curve fitting method for non - linear sens or. 13. The curve fitting method can precisely extract the 4 parameters of sine wave. 14. The log-hyperbolic distribution offers the possibility of a range of curve fittings[sentencedict.com], one limiting case of which is the log-normal distribution. 15. Software design includes: writing programs of rotate speed computing module, ignition timing computing module and ignition control module and curve fitting. 16. According to a particular analysis of the results by the method of induction and curve fitting, I find that the domain and the length of stuffs will influence the speed and accuracy of segmentation. 17. The OH stretching band of water has been resolved by deconvolution and Gaussian curve fitting. 18. A modal analysis program is developed based on these methods. Stabilization chart is imported to select poles accurately adopting global curve fitting method. 19. This paper presents the odd function with four terms which can be used to make the curve fitting of the stress-strain for various materials precisely. 20. The real time correcting link is set up by using the complex curve fitting method, and the correction is implemented on line. 21. The mathematical expression of the magnetic induction intensity can be obtained by curve fitting method. 22. On the basis of classical edge operator theory and combined with edge tracking and curve fitting theory we developed an algorithm which can deal with the edge of ordinary quality image better. 23. NLREG is a powerful statistical analysis program that performs linear and nonlinear regression analysis, surface and curve fitting. 24. Moreover, this paper puts forward an adaptive method of control valve based on open-loop and enhances measure accuracy through curve fitting method. 25. The paper, through analyzing the forming of the amplitude spectrum of the echo, proposed a new method using quadratic curve fitting for it. 26. The factors of MOS transistor in the saturation region are analyzed, the mismatch models are optimized, and the model parameter extraction is done by least squares curve fitting method. 27. The proposed method can give more reasonable and more promising prediction results as compared with polynomial curve fitting technique. 28. It is very trouble to make empirical hydrologic frequency curve with curve fitting method by handwork. 29. A false target criterion is introduced to distinguish between potential false objects and true beacon which based on the closed curve fitting of image edge. 30. The multiwave amplitude characteristic processing includes AVO trace gathering, AVo-AVA conversion, AVA curve fitting and attributive section output. 31. The segmented magnetization curve fitting provides to the orthogonal controllable reactor's harmonic analysis reasonably and precisely. 32. Thirdly, the feature point set is filtered by the rule and two-step curve fitting method is used to obtain the dental arch form. 33. Curve fitting algorithm can be used to research the function relation between the wheel weight and the piston offset distance in the design of the wheel weight test system. 34. Polynomial curve fitting with a least-square calculation is used to avoid difficulties for obtaining the structure information before damaged. 35. 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. 36. Curve fitting is a natural extension of interpolating when seen from the aspect of computational mathematics. 37. A new method to realize the curve fitting by MATLAB and obtain the photomechanical parameters in the photopolymer , based on the theoretical model and experimental data, was analyzed. 38. The algorithm is polynomial curve fitting based on least square approximation. The experimental result shows its performance is more effect than that of the piecewise linear algorithm. 39. Since the approach bases on state-space, it requires no frequency sweep and frequency response curve fitting and therefore has a better numerical property. 40. Regression analysis includes linear, polynomial and exponential curve fitting, plotting, and interpolation. 41. For continuous models, some methods for obtaining an approximated rational function using the continued fractions expansion technique and curve fitting techniques are studied. 42. Determine pitch contours by curve fitting. 3. put forward new normalized method of pitch contour to determine the pitch value. 43. A response curve fitting method developed to estimate parameters of beam - type members with unknown rotational response. 44. Through curve fitting and synthetic asymptotic, this article has obtained the characteristic impedance formula of L-SIAD microstrip line. 45. The author proposes a sectional line fitting to re- place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work. 46. A speedy match of angular distance method was formulated by curve fitting the table of star pair for realizing rapid match in star pair information catalogue. 47. Curve fitting was applied to turn the BP neural network knowledge source into a concrete function, providing a better way for further genetic algorithm process. 48. To study the problem of the real-time data processing in unmanned air vehicle"s (UAV) navigation, a data filtering method with curve fitting extrapolation is presented." 49. In the improved curve fitting method(sentence dictionary), the Schuler component in velocity error was decoupled through the analysis of inertial navigation system. 50. The effectiveness of improved GP is proved by curve fitting example. 51. The curve fitting quantification method has been developed for peak recognition of complex and persistent components in fly ash from municipal waste incineration at different temperature programs. 52. Based on the idea of curve fitting, the nonlinear least squares method (Gauss-Newton method) has been applied to estimate the complex parameters. 53. Objective To establish a curve fitting model and an endpoint determination by maximal-curvature for the reaction curve of piezoelectric coagulation analysis. |
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