查询词典 parameter estimation

This thesis proposes another approach, which makes the phase current be inphase with each phase back-EMF respectively by tuning a parameter in the new sensorless algorithm at the steady state to intentionally produce rotor position estimation error.

此外，为了提升稳态时马达的运转效率，本论文提出一个参数调整机制，刻意的使估测结果产生误差，使各相电流能与反抗电动势同相。

Moreover we derive the method to get interval estimation of the shape parameter.

主要结果如下：(1)给出了参数的近似极大似然估计和逆矩估计，比较了AMLE、MLE和逆矩估计的精度，另外给出了求形状参数区间估计的方法。

When sample size is not large, conclusion shows that the precision of the interval estimation of parameter is remarkably increasing if the data from Tables in this paper are used.

通过计算比较，得出结论：在小样本的情况下，用本文所求的置信区间作为未知参数的区间估计将会使估计精度得到显著的提高。

Parameters estimation of the distributed parameter system and digital image restoration are representative Mathematical and Physics inverse problem, and they are explored in the first two chapters of this paper.

分布参数系统的参数辨识和数字图像恢复是典型的数学物理反问题，本文前两章分别对这两方面进行了探索研究。

The result is aimed at the characteristic that staple food makes, to containing stuffing kind staple food is used decompose metage law, inhomogenous to absorbing proportion staple food uses estimation to revise parameter law, inferential plan cipher out forms the raw material intake of staple food.

结果针对主食制作的特征，对含馅类主食采用分解称量法，对摄入比例不均匀的主食采用估计修正参数法，推理计算出构成主食的原料摄入量。

A new kind of algorithm, which is based on Dirac δ-Function, is established by Nonstandard Analysis for M/G/1 queueing system performance gradient estimation with respect to a kind of probability parameter.

新算法在实现过程中需要用样条函数来近似δ函数，但可以同时估计M/G/1排队系统中顾客期望系统时间和忙期期望长度对概率参数的梯度。

With this approach,the selection of weights and the estimation of approximation order simply depend on a parameter w.

该法适用于任意次数的有理Bezier曲线/面、任意的控制多边形/网格，权因子的选择和逼近度的估计都只依赖于一个参数w。

Simulation and experiment results show that the proposed algorithms can identify the parameters of IM exactly, and avoid the state estimation impacted by parameter variety.

仿真和实验研究表明，上述方法均能实现对电机参数的准确辨识，从而避免状态估计受电机参数变化的影响。

The acquisition of the point spread function is the key point in non-blind restoration algorithms for image, it's very important to get the estimation of point spread function parameter.

在图像的非盲复原算法中，点扩展函数的获取是算法的关键，因而点扩展函数参数估计是图像复原中重要的一步。

Sset future prices can be forecasted with filtering historical simulation by drawing from standardized residual density. The problem of inappropriate risk neutral assumption could be resolved by the calibration from density transformation. The transformation is to identify the state price density per unit probability through the parameter re-estimation by minimizing the mean squared error of market and model prices.

bstract：使用残差机率分配抽样的过滤历史模拟法可以作为未来资产价格的预测，而风险中立假设不适当的问题则可透过风险测度的转换予以解决，该转换过程系将市场价格与模型价格的均方差极小化求得估计校正后的新参数，作为状态价格机率分配的转换机制。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。