ID |
原文 |
译文 |
50677 |
同时简化算法降低Hessian矩阵的维数并且加速目标函数的下降趋势,使目标位置解脱离局部最小值,算法能够稳健高效的运行。 |
at the same time, simplify the algorithm to reduce the dimension of the Hessian matrix and accelerate the decline of the objective function, the target location solution out of the local minimum algorithm is robust and efficient operation. |
50678 |
实验结果表明: |
The experimental results show that: |
50679 |
相对于传统牛顿法,此算法在初始值的选取上具有稳健性,对误差选取较大的初始值,仍能够保证算法的收敛性,同时加速了收敛速度,降低了计算量; |
compared with the traditional Newton's method, this algorithm has robustness on the selection of initial values, select larger initial value of error, still can guarantee the convergence of the algorithm, and accelerate the convergence speed, reduces the amount of calculation; |
50680 |
相对于现有闭合式定位方法,此算法在噪声较大时具有较好的定位精度。 |
Compared with the existing closed type locating methods, the algorithm has good localization accuracy when noise is larger. |
50681 |
性能测试是保证设备可靠性的重要手段。 |
Performance testing is important means to guarantee the reliability of the equipment. |
50682 |
早期的维护模型都是围绕定期检测展开研究,不能够很好地反映设备的实际工作情况,且数据来源大都为寿命数据,数据样本少,可信度不高。 |
Early maintenance model is, taking the research of periodic inspection, can not very well reflect the actual work of the equipment, mostly for life data and data source, data samples, the credibility is not high. |
50683 |
针对退化过程符合Wiener过程的设备,提出了工作前检测和定期检测相结合的维护决策模型。 |
In view of the equipment degradation process in line with the Wiener process, put forward the work before inspection and regular maintenance of the combination of decision model. |
50684 |
首先,基于Wiener过程进行退化建模,建立基于Wiener过程的退化模型,然后引入变点的概念,得到设备的寿命分布。 |
First of all, based on the Wiener process degradation model, to establish the degradation model based on the Wiener process, and then introduce the concept of change point, get the life distribution of equipment. |
50685 |
最后,结合所提维护决策模型,确定对设备进行最优检测的间隔。 |
Finally, combined with the proposed maintenance decision-making model, to determine the optimal inspection interval of equipment. |
50686 |
规则变量节点度Luby变换(Luby transform,LT)码能够改善传统LT码编码过程中随机选取邻居节点方式导致的差错平台现象。 |
Rules of variable node degrees Luby transform (Luby transform, LT) code can improve the traditional LT code coding random neighbor nodes leads to errors in the process of platform. |