查询词典 extrapolation

After a short-term load forecasting method based analogous and linear extrapolation is proposed, the load forecast and the priority of equipment action are led into static reactive power optimization. The aim function is constructed for the practical situation of power system. On the basis of traditional genetic algorithm the fitness function and the holding of population diversity are improved. The adjacent search operator is applied to improve ability of local search.

在提出基于相似日和线性外推的短期负荷预测新方法的基础上，将负荷预测和设备动作优先级引入静态无功优化中，并结合电网实际情况，构造了实用的目标函数，对遗传算法的适应度函数和群体多样性的保持进行了改进，采用邻域搜索算子增加遗传算法的局部寻优能力。

The results exhibited that the monitoring models developed from the linear extrapolation method could stably indicate canopy leaf nitrogen content and leaf nitrogen accumulation in wheat.

确定了计算小麦红边位置的最佳算法为线性外推法，建立了基于线性外推法的小麦冠层叶片氮素营养监测模型。

Confidence Interval Estimation, Linear extrapolation, Exponential Estimation were used to compute the demand numbers.

本研究使用三种人力推估计算方法，分别为信赖区间估计法、线性外推法、指数推估法。

The paper presents a new method for short-term load forecasting, which applies cluster analysis technique of pattern recognition principle to calculate the similar coefficients between the future day and past days, then chooses the most similar days according to these coefficients and uses linear extrapolation method to predict the load of future day.

短期负荷预测是各供电分公司调度部门的基础性工作，96点日负荷预测采用模式识别中的聚类分析方法，对影响负荷的不同相关因素建立历史映射数据库，在不同日之间计算相关度而得到相似日，并在相似日的基础上采用线性外推法得到预测日的对应负荷。

Corrosion behavior of high strength galvanized steel wires under certain tensile stress was studied at different temperatures in a simulated acid rain by Tafel linear extrapolation, EIS and accelerated corrosion test.

采用Tafel直线外推法、交流阻抗和加速腐蚀试验，研究了拉伸应力作用下高强度镀镜钢丝在不同温度的模拟酸雨溶液中的腐蚀行为，表征其腐蚀前后形貌。

The linear extrapolation technique was the most practical and suitable method because of its relative high correlation with a wide range of chlorophyll content, relative simple algorithm, relative high sensitivity to chlorophyll at high or low content and application to more wider bandwidth spectra.

四点线性内插法计算的红边位置往往偏大，最大一阶导数法与叶绿素含量的关系存在着明显的不连续性，拉格朗日内插法、倒高斯模型法在一定程度上存在着对高叶绿素含量的饱和现象，多项式拟合法对拟合波段区间、最高项次及光谱分辨率等比较灵敏而导致结果不够稳定，而线性外推法计算出的红边位置对叶绿素含量最为敏感，预测的准确度最高，且计算相对比较简单，并能适用于较宽波段的遥感数据。

The former hypothesis is mainly based on mathematical linear extrapolation from effects observed by high doses. This notion advocates the linear assumption of radiation risk and that there is no lower limit to the amount of radiation that causes short- or long-term damage. The latter is the countervailing hypothesis-radiation hormesis.

前者主要依据高辐射剂量效应的观察，用数学线性补插法来求低剂量之效应，主张：辐射剂量会造成短或长期的伤害，且无低限值的；后者的证明来自於广泛的流行病学观察和实验研究的科学资料，这些证明指出辐射对人的伤害有确定的阀值剂量。

We present the linear extrapolation which predicts the required optimum normalized fiber lengths for the optimum pulse compression experiments. Two of the most important nonlinear processes occurring in optical fiber are sefl phase modulation and stimulated Raman scattering .

我们从理论上首次分析了波破裂现象对光纤-光栅对激光脉冲压缩的影响，对以往的经验公式予以修正，给出了最佳脉冲压缩实验所要求的光纤长度的经验公式，以方便激光脉冲压缩实验中对光纤长度的选择要求。

Based on AFCT, a new adaptive staring principle is established using floating threshold which is calculated by system reference model based on extrapolation method and linear regression algorithm. The principle of "forecasting model on line identifier"and"forecasting model parameters'selftuner"are put forward. In the module of"adjustment mechanism", the forecasting method of break points is introduced to fulfill control functions to "forecasting model parameters'self tuner".

本文详细讨论了针对输电线路主保护的自适应预测模型的建立方法，应用时间序列法和自回归模型或动平均自回归模型建立了精确反映保护对象状态量的系统预测模型，以自回归模型为例给出了"预测模型在线辨识"环节和"模型参数自适应校正"环节的算法，应用"适应机构"实现其对"模型参数自适应校正"环节的控制作用，应用并行计算算法实现了在继电保护中的"预测模型在线辨识"环节，使系统状态预测模型自适应于变化的电力系统。

The microstructures and phases of the alloys were analyzed by OM, SEM and XRD; the erosion resistance of the alloys prepared by different processing were measured under the conditions of simulated-brine and salt atmosphere, besides the various corrosive rates were calculated by the method of weight lost; the lows of corrosion were analyzed by the electrochemical polarization curve, and the corrosive current was measured through the method of Tafel linear extrapolation.

用光镜、扫描电镜、X射线衍射分析了合金的组织与相的组成，测试了模拟海水及盐雾条件下三种工艺制备的材料的耐腐蚀性能，并用失重法定量计算各自的腐蚀速率；利用电化学极化曲线法分析了三种工艺制备的材料腐蚀规律，用塔菲尔直线外推法测定腐蚀电流。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。