本文讨论多自由度线性系统在非结构扰动下鲁棒稳定的扰动界。
This paper presents the robust stability bounds on unstructured perturbations for multi-degree-of-freedom linear systems.
利用结构扰动结果分析了线性连续区间系统的特征值的分布情况。
And we apply the results of the structured perturbation bounds to the analysis for eigenvalue clustering of interval systems.
滑模变结构控制是一种非线性控制方法，对系统的参数变化和扰动具有安全的自适应性。
Sliding mode variable structure (SMVS) is a nonlinear control method, which is adaptive to disturbance and parameter variations.
按照奥地利学派的理论，货币是非中性的，货币的扰动改变了生产的时间结构，最终导致了经济的周期波动。
Modern Austrian school emphasize the unneutrality of money, the disturbance of money change the time structure of production, and lead to economic cyclical fluctuation.
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.
提出了一种实现全光纤多扰动测量的基于光纤萨尼亚克环的新型传感结构。
A novel sensing structure is proposed based on fiber Sagnac loop, and all fiber sensing for multi disturbance is realized.
它既有赖于基流自身的不稳定，又取决于初始扰动的结构以及相对于基流的位置。
This depends not only on the instability of the basic flow itself but also the structure of the initial disturbance and its position with respect to the basic flow.
研究草原地裂缝分布结构的分形特征，揭示地裂缝对草原的扰动生态学作用。
In this paper, the spatial structure of the crevices in grasslands is researched so as to reveal the disturbance of the crevices to the ecology in grasslands.
由于基坑开挖过程中土体结构受到扰动，导致土体强度降低。
Disturbance of soil structure leads to the falling of soil strength.
但由于加工误差、驱动结构不对称、扰动等因素，使得活动梳齿相对固定梳齿发生偏转。
However, due to fabrication error, asymmetric drive structure, small disturbance and so on, the movable comb fingers move laterally and rotationally from the fixed ones.
数值模拟发现，在脉冲传输距离与扰动周期长度的关系中存在着一种多极值结构。
We numerically show that there are many extremums in dependence of the propagation distance on the period lengths of perturbation.
矿业开发破坏地表植被，扰动岩石结构，常造成严重的人为水土流失。
Mine exploitation could destroy the vegetation and disturb the rock structure, of earth surface. It could result serious soil and water loss.
对五种不同垂直结构的风场扰动进行了实验，其中以中低层的风场扰动在中低压形成过程中的作用更显著。
Five sorts of the vertical structure of wind disturbance fields are discussed. Among them, the effect of middle-low level wind disturbances is the strongest in the formation of mesoscale low.
负载推力观测器和扰动前馈补偿的设计有效地削弱了变结构控制产生的抖振。
The chattering of the VSC system is effectively minimised by designing a load thrust observer and a disturbance feed forward compensation.
并在研究扰动引起的稳态误差、系统结构及和参数之间关系的基础上，设计了控制系统的扰动补偿器。
A disturbance compensator for the control system is designed on the basis of studying the stability error caused by disturbance, the relation between system structure and parameters.
对山体尾流中最大平均速度扰动和湍流强度扰动的衰减规律以及山体尾流结构进行了分析。
The decay laws of the normalized maximum perturbations in the mean velocity and turbulent intensity in the wake and the wake structure are discussed.
模型用带扰动观测器补偿的滑模变结构控制，对控制函数切换并受滑动模态控制。
Owing to applying the model of sliding mode variable-structure control that has compensation of disturbance monitor, switching control function was controlled by sliding mode.
所设计的系统具有结构简单、易于实现和对扰动及参数变化灵敏度较低的优点。
The controller thus designed is quite simple in structure and insensitive to the variation of system parameters .
对负荷变化引起的扰动，以抗干扰原则设计了前馈通道，并给出了结构形式和参数设计原则。
To overcome the external disturbance caused by load variation, a feed-forward channel type and its structure parameters are designed.
在采用冻结湍流假设和几何光学近似的条件下，得到了经自适应光学系统校正后的剩余波前相位扰动的结构函数。
The structure function of residual wavefront phase perturbation compensated by an adaptive optics system has been derived by means of frozen turbulence hypothesis and geometric optics approach.
它可以应用于特殊结构的矩阵对，并适用于不同类型的扰动。
It is applicable to matrix pairs with special structure and is suitable for various types of perturbation.
以趋近律设计的离散滑模变结构控制与系统参数及扰动有关。
Discrete time variable structure control system designed by a discrete reaching law is the definite function of the system states.
本文解决了参数未知、具有非结构性未建模误差和有界恒定扰动的一类线性连续系统的自适应控制问题。
This paper proposes a robust adaptive pole placement control scheme for continuous time systems with bounded disturbances and unmodeled dynamics.
本文用星际气体自引力星系激波来解释星系的螺旋结构、恒星的扰动引力场并非必要条件。
Tn this paper, the galactic spiral structure is studied by the galactic shock wave of interstellar gas with self-gravitation. The perturbed gravitation of stars is not ?
该传感结构采用新型的双萨尼亚克环结构并用波分复用技术代替了传统的双光源结构，减小了系统损耗，实现了对多扰动的位置的测量。
The sensing structure has the novel double Sagnac loop and WDM technology instead of traditional double light source, reducing the system error and realizing the measurement of multi disturbance.
地震扰动用随机过程表示，结构的破坏用最大位移和累积能量耗损两个参数来评定。
Earthquake excitation is represented by random process and structural damage is assessed in terms of maximum displacement and accumulated energy dissipation.
针对系统的内外扰动与变结构本身的抖振问题进行了分析并采取了相应的对策。
We also analysised and made the corresponding countermeasure for the disturbance on system and the vibra of VSC.
当扰动很强时，会引起接触界面的局部滑移和分离，对结构安全产生威胁。
When the incidence wave is strong enough, the contact interface will separate or slide on local area, which is harmful to the safety of the structure.
通过负载扰动观测，依据系统结构不变性原理实时补偿变量马达摆角，实现系统的转速控制。
The variable motor swing Angle is real-timely compensated according to the structural invariability for speed control, through the load vibration observer.
通过负载扰动观测，依据系统结构不变性原理实时补偿变量马达摆角，实现系统的转速控制。
The variable motor swing Angle is real-timely compensated according to the structural invariability for speed control, through the load vibration observer.
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