ill-conditioned problem
英 [ɪl kənˈdɪʃnd ˈprɒbləm]
美 [ɪl kənˈdɪʃnd ˈprɑːbləm]
网络 病态问题
双语例句
- The Solution of Long Measurement Record and Ill-conditioned TLS Problem
长记录和病态TLS问题的处理方法 - The methods to choose the splitting factors, reduce the condition number of stiffness matrix, improve the precision of solutions and conquer ill-conditioned problem are also discussed.
研究了选择分裂因子的方法，讨论了降低刚度矩阵的条件数、改善解的精度以及克服病态问题的方法。 - Image processing is an ill-conditioned problem.
图像处理是病态问题。 - Professor Deng pointed out the ill-conditioned problem of gray model firstly, but how to research have not appear.
邓聚龙教授首先注意到了灰色模型的病态性问题（或解的漂移问题），但如何解决该问题，仍处于探索之中。 - Normally, image reconstruction from incomplete projections is an ill-conditioned inverse problem which can not be solved by traditional FBP or ART algorithm.
从投影重建切片图像，可以看作是解一个线性方程组的问题，由于投影数目少，该方程组无唯一解。 - Accumulating Method GM Model and Research on Its Ill-conditioned Problem
累积法GM模型及其病态性研究 - The apriori information was taken as one class of virtual independent observations, and then the ill-conditioned problem was translated to a problem of adjustment. So the ridge parameter can be resolved using Helmert variance components estimation which is a very common method in adjustment.
该方法将先验约束条件作为一类互相独立的虚拟观测值，从而把病态问题转化为测量平差问题，然后运用Helmert方差估计法来确定岭参数。 - Research on Parameter and Ill-conditioned Problem of GM ( 2,1) Optimal in Oil Water Well Control
油水井控制中GM（2,1）优化模型参数和病态性的影响研究 - A Study on the Solution to Ill-conditioned Problem in Vehicle Crash Accident Reconstruction Model
汽车碰撞事故再现模型病态问题处理方法研究 - The stability analysis and H-two controller design are solved by a set of linear matrix inequalities, which are independent of the small parameter, and thus the ill-conditioned problem is avoided effectively.
系统的稳定性分析和H2控制器设计方法可以归结为求解一组线性矩阵不等式，该组条件与小参数无关，故较好地回避了数值求解的病态问题。 - Based on condition number and eigenvalue analytical theorem, this paper diagnose on the ill-conditioned problem, point out the advantage and disadvantage of this two methods.
本文用特征分析法与条件数法对灰色模型的病态性进行了诊断，并试图就这两个方法的概念、区别与联系，以及存在的模糊认识进行研究和澄清。 - In order to solve the ill-conditioned problem in the vehicle crash accident reconstruction model, the effects of the parameter change on the ill-condition of model are analyzed by using the vehicle impact simulation method.
为了解决汽车碰撞事故再现模型病态性的问题，采用汽车碰撞模拟法分析了参数变化对模型病态性的影响； - Because the actual maglev system has a small inductance singular perturbation parameter, the kinetic model of maglev system has higher order and ill-conditioned numerical character, the problem is analyzed by singular perturbation theory.
而实际的悬浮系统由于存在小电感奇异摄动参数，使得悬浮系统的动力学模型有相当高的阶数以及病态的数值特性，因此该文采用奇异摄动法处理这类问题。 - A virtual observational approach to ill-conditioned problem
基于虚拟观测的病态问题解法 - Relative attitude is estimated by pseudo observation. A virtual observational approach to ill-conditioned problem
通过建立联系编队卫星姿态关系的虚拟观测量求解相对姿态。基于虚拟观测的病态问题解法 - A Study of Ill-Conditioned Problem in Reconstruction of Layered Medium inside Coaxial Line
同轴线中分层媒质电特性重建的病态问题研究 - As to the ill-conditioned problem of noisy and degraded image restoration, we propose a new algorithm which combines frequency shrinkage and Quincunx wavelet transform.
针对含噪退化图像复原问题，提出了基于频域收缩的Quincunx小波变换复原算法。 - Research on Ill-conditioned Problem in Grey Predictive Control Model
灰色预测控制模型的病态性研究 - Simulation results show that the method is effective in the control of noise during restoration, and the ill-conditioned nature of the problem is solved.
仿真试验表明该方法有效的控制了复原过程中的噪声，并克服了问题的病态性。 - The ill-conditioned problem is one of the main factors affecting the quality of the parameters estimation, its harm is extremely serious, so analyzing the reason that the ill-conditioned produced and searching for mitigating measure is the problem which must be faced in the data processing work.
病态性问题是影响参数估计质量的主要因素之一，其危害是非常严重的，因此分析病态性问题产生的原因，研究病态性问题的减弱措施是测量数据处理工作中必须面对的问题。 - The simulation results show that the tensor method based power flow algorithm has better convergence, and can be used to solve ill-conditioned power flow problem.
算例结果表明，基于张量方法的潮流算法具有更好的收敛性，可以用来求解病态潮流问题。 - By random undersampling, we can turn the ill-conditioned problem into a sparse signal denoising problem.
因此，通过随机降采样，就可以将上述病态问题转化为稀疏信号的去噪问题。