查询词典 exponent

In the article, we put forward improved algorithm that based on analysis and contrapose shortage about the single-exponent smoothness method and compare algorithmic thinking, calculative method and forecast result.

本文针对单指数平滑法中存在的不足，在分析基础上提出改进算法，并就算法思想、计算方法和预测结果进行了比较分析；改进算法在预测精度、非平稳时间序列适应性等方面效果有明显提高，对企业需求预测具有较好的指导意义和参考价值。

In this paper, a long divinable time evaluation and a short time prediction of some vibration signals of a turbine generator set is processed by the largest Lyapunov exponent mode. And the results show that the method is certainly accurate and reliable to predict future state of a turbine generator set. As a matter of fact, the method can be used to prediction to future running state of any other complex mechanical equipment.

运用最大Lyapunov指数预测模式对发电机组振动信号进行了最长可预测时间估计和短期预测研究，结果证明基于最大Lyapunov指数的预测模式在进行发电机组时序信号预测中具有良好的预测精度和可信度。

But the reflection factor is in a standard filter important coefficient, but uses the alternative means to be very difficult to guarantee front and the retroreflection coefficient value is smaller than 1, and is unable to obtain its correlation function precisely, especially has this kind of serious problem in linear prediction coding equisignal processing, the BURG algorithm can in then be able to determine from the very beginning its exponent number and the transmittance have then overcome a limit question.

而反射系数是格型滤波器中的一个重要系数，而采用其他方法很难保证前向与后向反射系数的值小于1，并且无法精确得到其相关函数，尤其在线性猜测编码等信号处理中存在着这种严重问题，BURG算法能在一开始便能确定其阶数和传递系数便克服了着一限制问题。

The partial least-squares regression model is built up to forecast crop leaf water potential of estival maize.Thirdly, atmosphere aspect, the low water age has been forecasting by R/S method of fractal theory in Si Chuan middle region. The chaotic behavior of agriculture meteorologic factors (average temperature, max temperature, min temperature, temperature of the earths surface, evaporators, precipitation, relative humidity, sunlight time) time series is investigated using the phase-space reconstruction technique, and the delay time and relation dimension and min embedding dimension and Lyapunov exponent and Kolmogrov entropy is calculated. The atmosphere water potential is calculated by surveyed data, and the day change law of atmosphere water potential and the relation between it and sun radiation has been discussed.

第三，关于大气方面，利用分形理论中R/S分析法对川中丘陵区的枯水年进行了预测；利用混沌理论的重构相空间技术，确定了农业气象因子(旬平均气温、最高气温、最低气温、地表温度、蒸发量、降水量、相对湿度、日照时数)的延时、关联维数、最小嵌入维数、Lyapunov指数、Kolmogrov熵，从而证明了以上各农业气象因子的时间序列具有混沌特性，为利用混沌理论预测各气象因子提供了科学依据；利用田间自动气象站的数据计算了大气水势并探讨了大气水势的日变化规律以及大气水势与太阳辐射的关系。

Based on the stability theory of dynamical system, numerical computation of bifurcation diagram and the largest Lyapunov exponent of the linearized systems, the synchronization dynamics of coupled fast spike neurons with excitory chemical synapse was studied.

基于动力系统的稳定性理论、数值计算分岔图和线性化系统的最大Lyapunov指数，研究了经兴奋性化学耦合的快峰神经元的同步动力学。

The scaling law of neutron yields increasing with laser intensity was given experimently, which shows a good fit of exponent function.

这一现象的发现对认识氘离子的加速机制有重要意义。

E. H. Grieg is the leading exponent that the national music factionary of Norway, the Lyric Piecesis of him is an excellent piano of a volume document, occupies important position on music history.

格里格是挪威民族乐派的代表人物，他的钢琴抒情小品是一部优秀的钢琴文献，在音乐史上占有重要地位。

The result s indicate that there are synergy effect s between pile and foam under flatwise compressive st rength and fabric piles f ractured under flatwise compression. The flatwise compressive and shear st rength decrease with increasing of the pile height . The flatwise compressive st rength increases as exponent with increasing of the foam density.

结果表明，三维间隔连体织物泡沫夹层结构复合材料承受平压载荷时，芯柱和泡沫存在协同效应；平压载荷作用下主要发生芯柱断裂破坏；随着芯柱高度增加，平压、剪切强度均减小；随着泡沫密度增加，平压强度近似呈指数增长。

In fractural area, because the elasticity is heterogeneity, seismic wave absorbed and scattering, the seismic record is more complex. Thus, the Hurst exponent in fractural area is less than in non-fractural one.

在裂缝发育区段，由于地层介质弹性的非均质性及地震波的散射、吸收等使得地震反射序列变得更为复杂，这样，裂缝发育区地震信号的赫斯特指数小于非裂缝发育区。

Then we can determine three reconstructed parameters in terms of average period. The results of EEG analysis show: The largest Lyapunov exponent of EEG data which corresponds to the hippocamp area is bigger than others.

这些预处理包括：利用FFT滤掉EEG数据的高频和低频部分，用关联维来代替EEG数据的原始拓扑维，最后根据平均周期来确定三个重构参数。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。