通过比较说明:灰色预测精度最高,指数曲线法次之,对数曲线法最低。
Through the compare we can draw a conclusion that the gray forecasting precision is the best, the exponential curve method is the second best, and the logarithmic curve method is the worst.
采用双曲线和指数曲线两种拟合方法对实测数据进行了曲线拟合计算,同时采用分层总和法对路基总沉降进行了计算。
The hyperbolic curve method and the exponential curve method are used to forecast embankment settlement of the highway around Harbin city, meanwhile total embankment settlement is calculated.
采用解析木导向曲线法编制了辽东地区日本落叶松地位指数表。
Site index tables regarding Japanese larch in eastern Liaoning were mapped out by using stem analysis guide curve.
还建立了基于最小二乘法曲线拟合与指数平滑法的需求量预测模型。
Additionally, a model of demand forecast, which bases on methods of least square and exponential smoothing, also be made.
基于指数法、双曲线法、星野法,提出了根据最小偏差自动选取计算模型的思想。
Based on the exponential method, hyperbolic method and Hushino method, the idea to select calculating model automatically in the light of least deviation is raised.
提出了数控系统中一种新的指数升降速控制曲线算法-加权补偿法,该算法用加权平均及权值修正技术,解决了数控系统中指数升降速控制曲线不能任意动态调整的难题。
This algorithm USES weighting mean and modified weight to solve the problem of that the exponential curve of acceleration and deceleration could not be dynamical adjusted freely in CNC.
本文给出了用二级负指数样条拟合“药时曲线”的一种方法,用该法拟合“药时曲线”的效果是满意的。
In nedical research "medical time curve" is the base for giving medcine. this paper provides you with a method of using second order negativeexponenti…
本文采用两种方法来解决高温温区的外推标定问题,即基于二次曲线的导数最小二乘法和基于修正指数模型的趋势外推法。
One is differential least square method based on conic, and the other method is trend extrapolation based on modified exponential model.
本文采用两种方法来解决高温温区的外推标定问题,即基于二次曲线的导数最小二乘法和基于修正指数模型的趋势外推法。
One is differential least square method based on conic, and the other method is trend extrapolation based on modified exponential model.
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