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A new approach is proposed for ill-conditioned problems in rapid positioning using single frequency GPS receivers.

研究只利用少数历元GPS载波相位观测值进行快速定位时的新解法。

The first chapter of this paper gives out the styles and the evaluation criterions of algorithm for solving ill-conditioned linear system of equations, at the same time introduces several effective algorithms.

本文第一章介绍了求解病态线性方程组的算法类型以及评价标准，并简单介绍了几种有效的解法。

Using distributed source model, this imaging problem can be formulated as an ill-conditioned and highly underdetermined linear inverse problem.

采用非参数的分布源模型，磁源成象问题即为求解一病态的欠定的线性方程组。

In the final part of this paper,the experiments show that this algorithm has good results for normal linear systems and ill-conditioned ones.

文末算例实验表明，本文算法对于良态线性系统、病态线性系统均有较好的求解效果。

Keywords: singular systems with delay; existence and uniqueness; stability; blind signal processing; ill-conditioned cases.

中文关键词：广义系统；存在唯一性；稳定性；信号盲处理；病态情形。

After linearization of various geophysical inverse problems, all kinds of inversion algorithms are reduced to solve ill-conditioned linear systems.

地球物理反问题线性化处理之后，各种反演算法归结为对病态线性方程组的求解。

In recent years, because of the ill-conditioned psychology, the students often make mistakes in psychology and behavior, even crime, which has had a bad effect on their development of their body and soul, even endangered the family and the society.

近年来，中小学生由于病态心理而导致心理与行为上的失误，甚至犯罪的现象时有发生，严重影响了学生的身心健康和发展，甚至危害了家庭、危害了社会。

Usual methods to cope with this difficulty depend either on the use of very expensive high precision instruments, or on the development of special computation technologies for the solution of ill-conditioned equations.

历来的解决办法是花高价提高测量仪器的精度，或发展对于病态方程的计算技术。

Because the MLS is used in this method, the disadvantages of the method are its less efficiency, and can form an ill-conditioned or singular equations sometimes.

但是移动最小二乘法的使用影响了该方法的计算效率，而且很容易形成病态方程组。

Minds, like bodies, will often fall into a pimpled, ill-conditioned state from mere excess of comfort.

心灵，如身体，常会因仅仅过度的舒适陷入疙瘩的，生病状态。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。