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Combined with the characteristic that biomass can vary in a wide range, the error function of the traditional BP network is improved. Meanwhile, optimal stopping rule is used to avoid over-fitting.

结合菌体浓度变化范围大这一特点,将传统BP网络的误差函数进行了改进,并利用最优停止法对网络进行训练,避免了过拟合现象。

Then, by using the successive approximation approach ,the optimal control problem is transformed into a sequence of linear two- point-boundary-value problems.

然后利用逐次逼近法将最优控制问题转化为求解一族无时滞的线性两点边值序列问题。

What's more, using edited computer program based on symbolic method, we can get the value of Riccati equation (which is the key to solving the optimal control law).

通过编制的计算机应用程序,运用符号法对Riccati方程(求解最优控制律的核心方程)进行了数值求解。

Results In the most conditions, SAM and moderated t statistic perform best capability of selecting differential expression genes, while SAMROC is the stablest one and the capability of selecting differential gene is good, too.

结果 多数情况下SAM法和稳健t检验表现出了最优的筛选能力,SAMROC法则表现出更好的稳定性。

This method is based on tensor and tensor algebra. To utilize the multidimensional data of the remote sensing image, the vector-based learning machine is generalized to the tensor-based learning machine which accepts tensors as input, then the convex optimization theory and the alternating projection procedure are used to get the solution of the TLM.

该方法基于张量数据模型和张量代数运算,针对遥感影像数据多维或高维的特点,将基于向量的监督法学习机扩展为基于张量的监督法学习机,然后利用凸函数最优化理论和交互投影迭代法求得张量学习机的最优解。

The paper researches suitable site and plantation growth for six silvicultural tree species in Maoershan Forest Farm of Northeast Forestry University by using the optimal separated method.

本文采用最优分割法对东北林业大学帽儿山林场6个主要造林树种的合理立地边界及其在各地形条件下的生长状况进行了研究。

Through ultracentrifuge method the encapsulation efficiency was measured easily. Single factor investigation was carried out , and optimal formulation was decided .

建立了瑞利散射光测定微量NGF含量的方法;以超声法制备了小粒径的NGF脂质体;建立了超速离心法测定NGF脂质体包封率的方法;对影响NGF脂质体的包封率的因素进行考察,确定了最优处方。

But it suffers from the following two shortcomings:(1) the object detected by instantaneous difference is inherently interfered by "virtual shadow" noise;(2) the interior detection of an object might be partly lost whenever the grey scale is quite uniform.

文章提出基于两次差分之间相关性的"复合差分法",实现了对"虚影"的消除,并提出一种判定最优差分间隔的策略,减少了目标漏检,使目标检测的完整性得到了显著提高。

Regarding the solution of optimum control questions on discrete time, the classical variation method has certain limitation.

对于求解离散时间的最优控制问题,古典的变分法存在一定的局限。

In addition, the optimization triangle interpolation algorithm which is used in mathematics usually is introduced to creating correction terms in VRS for the first time in this paper.

另外,本文还将数学上的最优三角形内插法引入到生成VRS误差改正数的算法中。

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推荐网络例句

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。