查询词典 uncertainties

This paper presents some uncertainties in commitments, and the fuzzy theory is used to express and solve these uncertainties.

本文提出一些承诺中的不确定性，并采用模糊理论的方法表示和解决这些不确定。

But this kind of entity may insurmountably have some uncertainties when it is expressed abstractly to the spatial object of GIS, and these uncertainties are the uncertain factors including error, inaccuracy, illegibility and so on.

但是这类实体在抽象描述为GIS的空间目标时难以避免地会带有一定程度的不确定性，这种不确定性指的是在进行抽象描述时随之产生的误差、不精确性、模糊性和含混性等不确定性因素。

This paper considers a class of uncertainties with the polynomial function form of perturbation parameters, which is analogous to a fact that part information is known for some uncertainties.

考虑一类与摄动参数呈多项式函数关系的不确定性模型，这类模型反应了预知部分不确定性信息的物理意义。

Therefore, when the grid technique or the district was applied to regionalize spatial scale, individual soil profile are needed more to reduce uncertainties of the estimate of soil organic matter in the grid or the district with spatial scale up, but the uncertainties are smaller when using soil organic matter content in wellestimate gird or district to estimate the grid or district without available data by extrapolation.

因此，采用网格法或行政区划分空间区域，获得空间区域单元内土壤有机质含量或贮量的精确估算需要较多的剖面，但外推至数据不足的空间区域时，估算的不确定较小；采用土壤分类单元为空间区域单元，结果则相反。

CTC is used to control nominal system. For uncertainties system, we utilize the regressor of robotic system or bounding function on uncertainties to design different compensation controllers.

但在实际中，即使获得一个较为理想的机器人动力学模型也是很困难的，何况在作过程中机器人动力学模型的各个参数可能发生变化，同时还受到环境干扰和负载变化等许多不确定性因素的影响。

Since many of these uncertainties are unknown, unquantifiable or their laws of variation are not yet known. What's more, man has to make decisions under these imperfect conditions, therefore all these uncertainties are included in the randomness and dealt with probability methods.

但由于这些不确定性有许多是未知的、无法量化的或变化规律不清楚的，而人们又必须在这些不完善的条件下进行决策和设计，因此就把所有这些不确定性都归结为随机性，利用概率统计方法加以研究。

A robust output feedback controller is advanced by using the DRNN-based observer presented above, so that the output-matching and lipschitz conditions are not imposed on the uncertainties; Robust adaptive controller is used in a class of nonlinear systems based on neural networks and H〓 methods, thereby the constraint on uncertainties with largest known boundness is removed, not as in H〓 methods.

利用本文的动态神经网络鲁棒观测器，设计了鲁棒输出反馈控制器，取消了已有结果对未知动态的输出匹配条件的限制；结合静态神经网和H〓控制方法，对一类非线性系统设计了鲁棒自适应反馈控制器，克服了H〓控制要求不确定性最大可能界已知的不足，其最大优点是仅要求网络逼近误差有界，且不要求网络权的离线训练。

Considering the presence of large aerodynamic uncertainties in the process of flighting for launch vehicle and resilience vibration, liquid propellant rocking have a certain infulence on system, the design method of H〓 robust control systems with parameter uncertainties and unmodelled dynamics is researched.

首次对同时存在系统矩阵、控制输入矩阵的不确定和系统关联不确定变化以及有界能量干扰的关联大系统提出了一种简便的局部状态反馈分散H〓控制器的设计方法。

Study nonlinear robust control for the other class of uncertainties which may exist in practical systems,——unmodelled uncertainties.

Kanellakopoulous等提出的参数纯反馈系统的自适应控制作了改进，使之能抵御有界匹配外扰。

However, the control performance of the PMSM drive is still influenced by uncertainties, which usually features parameter variations, external load disturbances, unmodelled and nonlinear dynamics. To achieve high-performance PMSM drive, which has great ability of adaptation and better performance against disturbances, advanced control schemes have to be developed to deal with these uncertainties.

然而，由于永磁同步电机驱动系统受电机参数变化、外部负载扰动、对象未建模和非线性动态等不确定性的影响，要获得高性能的永磁同步电机驱动系统，必须研究先进的控制策略以解决这些不确定性的影响，使系统具有较强的自适应能力和抗干扰能力。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。