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   多项式拟合曲线 的翻译结果: 查询用时:0.012秒
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多项式拟合曲线
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  polynomial fitting curve
     Due to the existing volatility, stochastic and dynamic properties of cash flow, this paper employs Exponential smoothing method and Moving average method to eliminate the effects of the stochastic factors, use the seasonal exponent to eliminate the seasonal volatility of the cash flow, the exponent curve and polynomial fitting curve to estimate the overall cash flow and also provides the calculating methods and identifying principle of the overall cash flow.
     由于现金流量的波动性、随机性、动态性等特性的存在,依靠单一方法无法科学、准确的预测现金流量。 论文提出利用指数平滑和移动平滑的方法来剔除随机因素影响,利用季节指数来消除现金流量的季节波动,之后再利用指数曲线或者多项式拟合曲线来预测整体现金流量的方法,并给出了整体现金流量的计算方法和确定原理。
短句来源
     The useful life of engineering plastics was predicted within the storage period using a polynomial fitting curve method,and its storage life deadline was inspected.
     运用多项式拟合曲线方法对轻武器用工程塑料在贮存期内进行寿命预测,考核轻武器用工程塑料的贮存寿命期限。
短句来源
     Conclusion The polynomial fitting curve is the perfect linear evaluation method. It guarantees both the accuracy and reliability of the experimental results, and is more suitable to clinic.
     结论多项式拟合曲线是较为理想的线性评价方法,既保证了实验结果的准确性、可靠性,而且更适用于临床。
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  “多项式拟合曲线”译为未确定词的双语例句
     Objective To discuss the clinical application of polynomial curves fitting.
     目的探讨多项式拟合曲线在临床中的应用。
短句来源
     The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.
     采用多项式拟合曲线,可以发挥其便于计算和分析的优点,能够更好地反映电流互感器10%误差特性,使用方便。
短句来源
     New simple time-domain measures for long-period correction of seismograms are presented based on the least-square curve fitting method, which can effectively improve the integral property of acceleration data with little change in the content of the spectrum characteristics and engineering dynamic properties for dynamic interaction analysis.
     通过利用最小二乘法构建原始加速度均值的二次多项式拟合曲线,提出了简便的加速度记录长周期误差时域校正法,在几乎不改变地震加速度频谱主要性质的前提下,很好地改善了加速度记录的积分性质.
短句来源
     Then,it compares and analyzes curves that are drawn by neural network fitting method,polynomial fitting method and testing data respectively. The results show that the model of hydraulic retarder set up with BP neural network is more precise and it is effective using the neural network to set up models of non-linear systems.
     通过对神经网络拟合曲线、多项式拟合曲线及实际试验曲线对比和分析,结果表明,神经网络建立的液力减速器模型精度比较高,用神经网络建立非线性系统的数学模型是一种有效的方法。
短句来源
     Based on the actual shape of a distorted reflector,a novel divided-fit method(DFM) for fitting the distorted surface of a large reflector antenna is presented by combining hoop trigonometric function fitting and quadratic radial function fitting methods,and by using the Coons surface unit to fit each zone.
     基于反射面变形形状,提出一种新的大型天线变形反射面分块拟合方法. 分析了天线结构与反射面节点位移,同时分块划分变形反射面,并采用Coons曲面拟合每个块域,利用周向三角拟合曲线与径向多项式拟合曲线来确定曲面片边界条件,从而得到全面、准确的反射面变形信息.
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  相似匹配句对
     Generalization of Polynomial Fitting
     多项式拟合的推广
短句来源
     At last the polynomial fitted methods are analysed.
     最后讨论了多项式拟合的情况 .
短句来源
     Clinical application of polynomial fitting curve
     多项式拟合曲线的临床应用
短句来源
     Recursive Fitting of Closing Digital Curve Using Polynomials
     闭合数字曲线多项式递归拟合
短句来源
     Control of oscillating appearance of polynomial fitting curve
     多项式曲线拟合振荡现象的抑制
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  polynomial fitting curve
Solid line and horizontal dotted line show an 8-order polynomial fitting curve and overall average flux, respectively.
      


In order to make sensor detect real values, standardization is necessary, and a good fitting curve lets sensor measure more accurately. The curve of an eddy current displace sensor can be converted into a line by analysing the character of the curve obtained by polynomial fitting. The primary values of parameters can be obtained by using approximation method and least squares method with less deviation. Then the parameters can be optimized by using pattern search. This method can make the fitting curve more...

In order to make sensor detect real values, standardization is necessary, and a good fitting curve lets sensor measure more accurately. The curve of an eddy current displace sensor can be converted into a line by analysing the character of the curve obtained by polynomial fitting. The primary values of parameters can be obtained by using approximation method and least squares method with less deviation. Then the parameters can be optimized by using pattern search. This method can make the fitting curve more practical, less deviation than the method of polynomial fitting and has reference significance in certain degree for getting converse function of non-linear sensor which contains higher order polynomial.

为了使传感器能够准确测量,标定是必不可少的,而好的似合曲线能够改善传感器的测量性能。通过对某电涡流位移传感器位移、电压用多项式拟合曲线的特点进行分析,经过试探发现该传感器曲线可转化为直线。用逼近法和最小二乘法求得使曲线转化为直线的各参数的初始值,且偏差更小。再对这些参数以非线性编差最小为条件采用模式搜索法进一步优化,得到比多项式拟合更实用的、偏差更小的拟合曲线。这种处理数据的方法对于求有高次项的非线性传感器逆函数有一定的借鉴意义。

Gives a new curve fitting method for non linear sensor. The curve of a Hall displace sensor possesses the characteristic of parabola by analysing the character of the curve obtained by normal polynomial fitting. So the new method of polynomial fitting that includes the evolution expression is used. Finally the parameters of the curve are optimized by using approximation method. The fitting method can make the fitting curve more practical,less deviation than the method of ordinary polynomial fitting and has...

Gives a new curve fitting method for non linear sensor. The curve of a Hall displace sensor possesses the characteristic of parabola by analysing the character of the curve obtained by normal polynomial fitting. So the new method of polynomial fitting that includes the evolution expression is used. Finally the parameters of the curve are optimized by using approximation method. The fitting method can make the fitting curve more practical,less deviation than the method of ordinary polynomial fitting and has reference significance in certain degree for getting fitting curve of non linear sensor which especially contains evolution expression.

介绍了非线性传感器的一种曲线拟合方法。通过对某霍尔位移传感器位移、电压值的多项式拟合曲线的特点进行分析,发现该传感器曲线具有抛物线的特点,所以采用含开方项的多项式拟合。最后对所得曲线的各参数用逼近法进一步优化,得到比普通多项式拟合更实用的、偏差更小的拟合曲线。这种处理数据的方法对于求具备开方特性的传感器拟合曲线有一定的借鉴意义。

The test and fitting principle of CT ( Current Transducer ) 10%error curve ,the processing of acquired data and the algorithms relevant to the fitting technique based on least square are introduced.The optimal fitting model is derived from the measured data ,then the error curve is drawn and printed out.The interpolation polynomial is applied in curve fitting for easy calculation and analysis and better representation of CT10%error curve.

分析了电流互感器10%误差特性曲线测试原理、数据处理方法和基于最小二乘法曲线拟合技术绘制误差特性曲线的相关算法。根据测得的数据,求出最优拟合模型,再绘制该特性曲线,并通过微型打印机打印该曲线。采用多项式拟合曲线,可以发挥其便于计算和分析的优点,能够更好地反映电流互感器10%误差特性,使用方便。

 
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