指数曲线

  • 网络exponential;Exponential curve;Exponent Curve
指数曲线指数曲线
  1. 指数曲线电刺激对周围神经移植的组织学影响

    Effect of exponential curve electric stimulus on the peripheral nerve transplant

  2. 指数曲线电刺激促进周围神经损伤修复的实验研究

    An experimental research of exponential curve electric stimulus promoting the restoration of peripheral nerve injury

  3. 指数曲线型滚筒的装载特性和CAD问题

    Loading features and CAD of exponential cutting drum of Shearer

  4. 缓冲溶液pH值的快速确定法&指数曲线图示法

    A Speedy Way to Determine the PH Value of Cushioning Liquid & The Index Curve Drawing

  5. 本文将求解建筑物地震易损性指数曲线的分析方法及程序与GIS技术相结合,建立了可视化模型。

    A visual model is set up by using GIS technology combined with the method of working out the earthquake vulnerability index curve .

  6. 用Richards函数拟合柳杉林多形地位指数曲线

    The Establishment of Polymorphic SI Curves of Chinese Cryptomeria by Using Richards Function

  7. Richards函数拟合多形地位指数曲线模型的研究

    A study on the establishment of polymorphic site index model by adopting Richards function

  8. 实验结果表明荧光衰减曲线是一条单指数曲线,荧光寿命数量级为ms量级;

    Experiments show : the kinetics of luminescence delay is well described by an exponential function with a single time constant , lifetime is on the order of ms ;

  9. 方法将80只Wistar成年雄性大鼠制成坐骨神经损伤模型,随机分为A组(对照组)与B组(指数曲线电刺激组)。

    Methods Eighty adult male Wistar rats with sciatic transplantation were divided into group A ( control group ) and group B ( exponential curve electric stimulus group ) .

  10. 作为应用,给出了双曲线、双曲正弦曲线与指数曲线的UAHB样条精确表示。

    As an application , hyperbolic curves , hyperbolic sine curves and exponentcurves are explicitly expressed by the3-order and4-order UAH B-splines .

  11. 本论文根据试验现场实测沉降数据,分别利用双曲线法、指数曲线法、BP神经网络法和灰色系统理论法进行建模,对注浆后桩基的长期沉降趋势和最终沉降值进行预测。

    This paper will forecast the long-term developing law of settlement and the final settlement by hyperbola , exponent curve , BP neural network and grey theory method based on measured data .

  12. 基于RAGA的指数曲线模型预测基桩承载力

    Application of RAGA-based exponential curve model in prediction of pile limit bearing capacity

  13. 分别利用Logistic方程和高斯方程对作物生长期内植被指数曲线进行模拟,并采用最大曲率法、动态阈值法提取作物关键物候期。

    Modeling the vegetation index curve respectively using a series of piecewise Logistic and Gaussian functions of time and extracting the key crop phenological phase through the methods of maximum curvature and dynamic threshold .

  14. QGM模型是在对指数曲线规律分析的基础上,结合灰色理论提出的。

    QGM is raised on analysis of Index Law and Grey theory .

  15. 与双曲线模型和指数曲线模型比较,Gompertz成长曲线模型适应性较好,趋势预测准确性高。

    Compared with Hyperbolic Model and Index Curve Model , Gompertz Growth Curve Model has good adaptability and precision in trend forecast .

  16. 本文对步进电机的加速过程作了理论分析,并用阶梯拟合了步进电机加速指数曲线,这种方法适于利用DSP芯片实现步进电机控制。

    This thesis analyzes the acceleration process of the stepping motor from the theoretical angle , and uses the ladder to fit the acceleration index curve of stepping motor . So this method is suitable to use DSP chips to implement the control of stepping motor .

  17. 接着涉及到利率的选取,本文在研究利率定价时使用Nelson和Siegel提出的指数曲线模型,并将利率应用于可转换债券定价模型。

    Then consider the interest rate , we use the Nelson & Siegel interest rate pricing model in this paper studies , to calculate the interest rate of the convertible bonds .

  18. 应用McDill-Amateis方程建立杉木人工林地位指数曲线模型的研究

    Research of Establishing China Fir Plantation Site Index Curve Model with McDill-Amateis Equation

  19. 对两种模型关系的研究表明,两者有内在联系,都属指数曲线预测模型,且指数曲线Aeax预测模型比GM(1,1)模型应用起来更简单,方便。

    From the research , some conclusions can be drawn that the two forecast models both belong to index curve forecast model , and index curve Ae ~ ( ax ) forecast model is simpler and more convenient than GM ( 1,1 ) forecast model in application .

  20. 该文指出了GM(1,1)模型用于预测的不足之处,采用指数曲线拟合最小二乘法补充了GM(1,1)模型的不足,建立了指数模型,实际应用精度较好。

    The defects of GM ( 1,1 ) model have been pointed out in this paper . And it has been improved by using least square approxi-mation to fit exponential curve . The exponential model is established , and the accuracy in practical application is quite high .

  21. 精度检验表明:用Sloboda树高生长模型拟合的火炬松人工林多形地位指数曲线可以应用于林业生产实践。

    As a result , the height growth curve of Pinus taeda plantation is available for forestry production .

  22. 本文用灰色预测GM(1,1)方程对湛江市1956~1981年的麻风发病率作了预测并与动态数列拟合和指数曲线方程的结果作了比较。

    The incidence of leprosy each year in the period of 1956 to 1981 in Zhanjiang City of Guangdong is forecast with the equation GM ( 1,1 ) of grey calculation , and the result is compared with the results of dynamic number sequence fitting and exponential curve equation .

  23. 采用Runge-Kutta数值方法求解系统的动力学方程,用分岔图、最大Lyapunov指数曲线、Poincaré映射图和频谱图等分析系统的稳定性。

    The dynamical equations of motion are solved using the Runge-Kutta numerical method , and the stability of the system is analyzed through the bifurcation diagrams , the curves of maximal Lyapunov exponents , the Poincar é maps and the spectral plots , etc.

  24. 方法对1996~2001年4种杂志上发表的氯氮平治疗精神分裂症的起效过程进行指数曲线配合。结果指数曲线配合的总相关指数(R2)

    Method It was fitted exponential curve for effectual procedure data in schizophrenics with clozapine by published four journals from 1996 to 2001 . Result It was equal to 0.958 5 for total correlative index ( R 2 ) for fitted exponential curve .

  25. Mises屈服条件,并对弯矩屈服极限用一指数曲线模拟,利用DKT板元和一种带有角点转角自由度的相容二次平面元来组成一种理想的平壳元。

    Mises yield condition and imitate moment yield limit with an exponent curve . Taken advantage of DKT plate element and a kind of compatible quadratic plane element including vertex rotations , an ideal shell element is formed .

  26. 本文以Richards函数为基本模型,讨论了不相交多形地位指数曲线的拟合。解决了标准年龄时树高与指数值不一致的问题;

    Richards function was used as a basic model to study the non-intersection polymorphic site index curve , which solved the problem existed while the height of the tree was not uniform with the site index at standard age in plantations of Chinese fir and Masson pine .

  27. 提出了在最小二乘意义下用Gauss-Newton法拟合双指数曲线时,充分利用观测值确定参数初始值的一种算法&循环搜索法。

    In this paper , an algorithm named the method of cyclic search is suggested to make full use of observed values to determine the initial values of parameters during double exponential curve is fitted in the meaning of least square by means of Gauss Newton method .

  28. 单位角果皮面积承担的籽粒数(SNPA)和单位角果皮面积承担的籽粒体积(SVPA)随角果增大而呈指数曲线下降。

    Angle . ( 3 ) SNPA ( seed number per unit pod area ) and SVPA ( seed volume per unit pod area ) decreased exponentially as the increasing of single pod area .

  29. 本文在对兰许高速公路试验路段长达1年的变形观测的基础上,对双曲线法、指数曲线法、Asaoka法预测结果的对比发现,双曲线更适合于该地区沉降特性。

    This article in to experiments about 1 year in the stable observation foundation , to the hyperbolic long-base method , the exponential curve law , the Asaoka law forecast the result the contrast discovered that the hyperbolic curve suits in this area 's settlement qualities .

  30. 结论氯氮平的起效过程呈指数曲线规律。

    Conclusion Clozapine effectual procedure shows a rule of exponential curve .