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- Predicting dynamics of soil organic carbon mineralization with a double exponential model in different forest belts of China 利用双指数模型预测中国不同森林带土壤有机碳矿化的动态变化
- double exponential model 双指数模型
- The Method for an Exponential Model Establishment. 指数模型建立方法。
- At last, we consider a quintessence model with single or double exponential potential under the framework of DGP model. 在前两章理论铺垫的基础上,第三章讨论具有N个标量场的多重指数势的phantom动力学模型,给出了在给定势的条件下,这种模型可以存在所期望的big rip吸引子。
- double exponential jump diffusion model 双指数跳跃扩散模型
- A STUDY ON THE AGE DISTRIBUTION EXPONENTIAL MODEL OF CEREBROVASCULAR DISEASE MORTALITY. 脑血管病死亡率年龄分布指数模型拟合研究。
- The tendency of The Ultra-weak bioluminescence of moldy rice's change with time can be better explained by the double exponential curve and the hyperbolic curve. 双指数曲线拟合和双曲线能够更好的给出霉变稻谷超弱发光随时间的变化趋势。
- Grey model is an exponential model,which has high precision to observation data series fiting in with exponential rule. 灰色模型是一种指数模型,它对于符合指数规律的观测数据序列具有较高的精确度。
- The Prony complex exponential model is converted into the ARMA model, and the Prony identification algorithm(PIA) is developed in this paper. 本文把Prony复指数模型转换为ARMA模型,并建立了Prony识别算法(PIA)。
- Single exponential smoothing technique and double exponential smoothing technique were studied and the reliability of a concrete communication software was analyzed and predicted by using these two models. 摘要阐述了单指数平滑方法和双指数平滑方法,并用这两种可靠性模型对一通信软件系统的可靠性进行分析预测。
- A hyperbola model,a modified hyperbola model and a exponential model for describing shear property of soft terrain and methods for determining their parameters are presented. 提出了描述松软地面剪切特性的双曲线模型、改进的双曲线模型、纯指数模型和确定它们的参数的方法。
- Exponential model was use to fit experimental semi-variogram.Normal kriging was use to predict the spatial distribution of soil arsenic in maize producing area.The results i... 应用指数模型拟合经验半变异函数,采用普通克里格法预测了砷元素的空间分布状况,研究表明,本区域砷元素存在明显的空间异质性,污水灌溉是引起土壤砷元素空间变异性最主要的因素。
- The acquired data was regressed with the nonlinear method, the damped least squares, then three parameters of exponential model and regressive curve were attained. 用阻尼最小二乘法进行拟合,求得模型中的3个特性参数。
- The unbiased grey-forecasting model eliminates the inherent deviation of the conventional grey-forecasting model, it is in fact an unbiased exponential model. 无偏灰色预测模型消除了传统灰色预测模型本身所固有的偏差,实质上是一种无偏的指数模型。
- As a gray exponential model with distortions, the precision of GM(1,1) depends on the conformation of background value and the selection of original condition. 摘要GM(1,1)模型是有偏差的灰指数模型,其精度取决于背景值的构造形式和初始条件的选取。
- Method of double exponential smoothing 双指数修匀法
- Two relation models between the drill footage and proved reserves are introduced: Gompertz model and Exponential model. 摘要为估算油气探明储量,介绍了探井进尺和探明储量间的2种统计模型:龚帕兹模型和指数模型。
- double exponential current distribution 双指数电流分布
- double exponential jump-diffusion process 双指数跳扩散过程
- Several brief models including a dumbbell model, a parabola model and an exponential model are given. 给出了几种简化的模型:哑铃模型、抛物线模型和指数函数模型;