由于系统本身和外部条件的不确定性，很难对系统各状态进行准确的数学描述，造成滤波器不稳定甚至发散。
Due to uncertainty in both system itself and the circumstance condition, it's difficult to take an accurate mathematics description of every state of the system.
不确定性会计是财务会计体系的一部分，其目标是向外部使用者提供不确定性经济业务信息。
Uncertainty accounting is a part of financial accounting as a whole, of which objective is to provide external users with information about uncertain economic events.
不确定性会计是财务会计体系的一部分，其目标是向外部使用者提供不确定性经济业务信息。
Uncertainty accounting is a part of financial accounting as a whole, of which objective is to provide external users with information about un.
针对具有参数不确定性和外部未知扰动的不确定系统，基于灵敏度函数，提出了一种二自由度控制结构。
For uncertain systems with parameter uncertainty and unknown disturbance, a two-degree-of-freedom control structure was proposed based on sensitivity function.
仿真实例表明，该控制律能保证误差的快速收敛性及对参数不确定性和外部扰动的鲁棒性。
The simulation example shows that control law can guarantee fast convergence of error as well as robustness of parameter uncertainties and external disturbances.
对企业而言，任何外部环境和内部变化带来的不确定性，都使得企业经营者在管理过程中倍加小心。
As to enterprises, any uncertainty brought by both the external and internal changes of environment can make operators be more careful in the course of managing.
分析了一个具有扇区非线性输入且含有参数不确定性以及外部噪声干扰的主从混沌系统的同步控制问题。
This paper analyses the synchronization control for a class of master_slave chaotic systems with parameter uncertainties, external noise disturbances and sector nonlinear input.
研究了具有参数不确定性和外部干扰的卫星姿态跟踪控制问题。
The attitude tracking control problem for a satellite with parameter uncertainties and external disturbances is considered in this paper.
研究一类存在模型不确定性和外部扰动的互联机器人系统的控制问题。
A decentralized robust adaptive control scheme is given for a class interconnected robot systems with modeling uncertainties and exterior disturbances.
由于LOOP事件的发生机理复杂，涉及核电厂内部和外部初因，其中一些特定因素如电厂外部的灾害性天气，其分析方法仍存在较大不确定性。
The mechanism of LOOP is complex and includes the plant internal and external initiators. Some specific factor such as weather which causes the LOOP, its analysis method still has large uncertainty.
分析了人才资本价值的高不确定性、强增值性、强专用性、强外部性，描述了组织价值与人才资本价值的关系。
Analyzed here are high uncertainty, increment, specification and brain drain, as well as the relationship between value of organization and that of talent capital.
首先，在无外部扰动和参数不确定性的情况下，提出一种理想的饱和协同控制器。
Firstly, an ideal saturated coordination controller is presented in the absence of external disturbances and parametric uncertainty.
这里并不要求不确定性和干扰具有常数界，只要其界为状态变量或可测外部变量的已知函数即可。
All uncertainties and disturbances are not required to be constants. They may be bounded by some known functions of states and external measurable variables.
本文主要研究了一类同时具有时变参数不确定性和外部干扰输入的离散线性系统有限时间状态稳定性问题，用线性矩阵不等式给出问题可解的充分条件。
In this paper finite-time control problem for one kind of linear discrete-time linear system subject to time-varying parametric uncertainties and exogenous disturbances is studied.
近年来我国发生大规模国际游资回流。大规模游资回流对我国宏观经济产生不确定性外部冲击。
In our country, Huge international floating capital circumfluence has happened in recent years which produces uncertain exterior impact.
假设的不确定性和外部干扰的上界是未知的。
The upper bounds of the uncertainties and external disturbances are assumed to be unknown.
海通证券姜超认为，从外部看，美国11月大选、12月加息都存在巨大的不确定性。
HAITONG SECURITIES Jiang Chao believes that looking outward, both the US election in November and the interest rate hike in December have huge uncertainties.
所考虑的系统不确定性因素包括系统内部参数摄动、高阶关联变化和外部干扰。
The uncertainties under consideration include bounded system parameter variations, uncertain higherorder interconnections and external disturbances.
而全程滑模变结构控制继承了滑模变结构控制的一系列优点，且对参数不确定性和外部干扰具有全程的鲁棒性。
A new fuzzy total-sliding-mode controller was designed for a class of nonlinear system, which was composed of fuzzy control and sliding-mode control.
而全程滑模变结构控制继承了滑模变结构控制的一系列优点，且对参数不确定性和外部干扰具有全程的鲁棒性。
A new fuzzy total-sliding-mode controller was designed for a class of nonlinear system, which was composed of fuzzy control and sliding-mode control.
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