logistic curve
英 [lɒˈdʒɪstɪk kɜːv]
美 [ləˈdʒɪstɪk kɜːrv]
逻辑曲线；增加曲线
双语例句
- A method to estimating the parameters of general Logistic curve
一种广义Logistic模型的参数估计方法 - Research on the Economic Growth and Energy Prediction in Jilin Province Based on Logistic Curve
基于逻辑斯蒂曲线的吉林省经济增长与能源需求预测研究 - Study on Fitting Logistic Curve with SPSS Software
应用SPSS软件拟合Logistic曲线研究 - The effect of prey density on the fecundity of lady beetle can be described by using the logistic curve.
猎物密度对瓢虫生殖力的影响呈logistic曲线。 - Application of the Generalized Logistic Curve Model in Gross Talent Resource Alternation Analysis
广义Logistic曲线模型在人才资源分析中的应用 - The conclusion shows that the whole evolution process of industry system follows Logistic curve, and the practical evolvement process will be diverse and complex due to the parameters of technical innovation variant with time.
研究结果表明，产业系统的整体演化过程遵循Logistic方程曲线。由于技术创新模型的参数是时变的，因而使得产业系统的实际演化过程具有多样性和复杂性。 - Extension and Application of Logistic Curve
逻辑斯蒂曲线的几个推广模型与应用 - It is concluded that the dynamic of plant height was suitable for logistic curve;
结果表明，株高的动态变化符合Logistic曲线形式，生长速度最大值为0.22cm/d，出现在分枝期末期； - The Application of Grey Theory to Logistic Curve Fitting
灰色理论在logistic曲线拟合中的应用 - Property of Logistic Curve and Its Application in the Analysis of Plant Growth
Logistic曲线的性质及其在植物生长分析中的应用 - The text has analysed the application of Curve fitting in the RIA, Through theory analysis and several different ways of fitting of experiment measurement, Discovers the Four-Parameter Logistic curve fitting is the best fitting way.
分析了曲线拟合在放射免疫分析（RIA）中的应用，通过理论分析和实验测量对几种常用的拟合方式进行了比较，得出了四参数Logistic如曲线拟合是相对较为理想的拟合方式。 - Study on the Application of Logistic Curve Simulating Tourism Destination Lifecycle
旅游地生命周期曲线模拟的初步研究&Logistic曲线模型方法的应用 - In this paper, the principal differences and analogies between logistic curve and Gompertz curve, which are applied frequently in the biology growth model, are given out.
本文给出了生物增长模型中常用的logistic曲线与Gompertz曲线之间的主要差异与相似处。 - The evolutionary process of the complex mining area system experiences four stages: namely the construction stage, the development stage, the stability stage and the decline stage, whose evolution pattern conforms to the Logistic curve.
系统具有整体性、开放性、动态性、层次性和复杂性等特点。矿区复杂系统演化过程经历4个阶段，即建设阶段、发展阶段、稳定阶段和衰退阶段，演化模式符合Logistic曲线。 - Application of Genetic Algorithm for Estimating Logistic Curve Parameters
基因算法在Logistic曲线参数估计中的应用 - In this paper, the other two new methods estimating K value of the Logistic curve equation, 4-point method and yielding point method were put forward.
本文推导了用三点法估计该模型中参数K值的公式，并提出了估计K值的新方法一四点法和拐点法。 - Under above two conditions, the weight growth curves of the nestling were both shown as Logistic curve.
在这两种情况下，雏鸟的体重增长均呈Logistic型曲线增长。 - This paper first analyzes the character and parameter demarcating of Logistic Curve and Picketage Model's S Curve, then puts forward a traffic forecasting method based on this two curve models.
本文分析了逻辑斯蒂曲线和定标模型S曲线的特征和参数标定。 - In this paper, using the Mothed of Optimization and Nonlinear regression analysis to analysed the parameter K, a and b in Logistic curve with the SAS/ STAT Software. The results showed that it is best estimation.
本文提出用O.628优选法和SAS/STAT软件NLIN模块中的DUD法，对Logistic曲线中的参数k，a和b可得到最佳估计。 - A numerical method for estimating the parameters K, r, a of the Logistic curve is presented.
本文提出了逻辑斯谛曲线的参数K、r、a的一种数值估测方法。 - This paper introduces two solutions of fitting Logistic curve within SPSS software. Through the analysis of examples, it is found that Nonlinear Regression is more feasible than Curve Estimation Regression.
介绍了SPSS软件中两种拟合Logistic曲线的方法和步骤，通过实例分析表明，用非线性回归（nonlinearregression）比曲线回归（CurveEstimationRegression）拟合Logistic曲线更简单实用。 - The relations between height relative growing rate and time conform to Logistic curve equation.
早竹高度相对生长率与时间的关系符合Logistic曲线方程。 - The relation between tea demand and income shows the feature of logistic curve.
茶叶需求对收入的反映表现logistic曲线特征。 - In this paper, it quotes those theorems concerned of grey control theory which Mr Deng Julong has founded, according to method of least squares to calculate the parameter of logistic curve, dealt with by grey fitting and compared it with weighted fitting.
本文应用灰色理论中灰导数拓扑空间的定理和非线性灰色建模的方法，直接按最小二乘法求解logistic曲线的参数，对曲线进行灰色法拟合，并与加权拟合法进行了对比。 - The logistic curve model can well simulate the settlement-time curve of foundation under uni-level loading with its own virtues, which has been validated by others.
增加曲线模型自身的特点，决定了它能很好地拟合一级荷载下的地基沉降-时间曲线，这已得到了验证。 - The logistic curve model is an important growth curve pattern.
Logistic曲线模型是一种重要的增长曲线模型。 - The analysis and application of the two important characteristic points on logistic curve
逻辑斯谛曲线上两个重要特征点的分析及其应用 - Chapter ⅲ constructs the high-tech industry growth model using logistic curve equation, and analyzes quantitatively high-tech industry growth stages and transition conditions.
第三章运用逻辑斯蒂曲线方程构建了高技术产业成长模型，定量分析了高技术产业的成长阶段及其转换条件。 - Logistic curve model and genetic algorithm is used to predict the future development of the first, second and tertiary industries and GDP of Gaochun.
并应用Logistic曲线模型结合遗传算法对高淳GDP和第一、第二、第三产业未来发展进行了预测，分别提出高淳经济发展的高、中、低三种方案。