查询词典 observability

The key of our method is to reduce the exact controllability of a semilinear system to the observability estimate for the dual system of its linearized system.

另一方面，我们注意到，上述的两种方法无法给出任何能观性不等式中出现的常数的显式估计，因为它们采用的是反证法来吸收低阶项的。

Singular value decomposition of observability matrix is used to obtain an optimal 2-position alignment, the result is the same as that of covariance analysis.

采用奇异值分解方法对捷联惯导系统静基座下的多位置对准过程中最优位置的选择进行了分析，其结果与协方差分析的结果相同。

And three main steps of all subspace algorithms are explored. First, using an LQ-decomposition, the projection of the row space of specific data Hankel matrices is calculated. Next, the SV-decomposition of the projection is calculated to directly lead to the observability matrices and a Kalman filter estimation of the state sequences.

概括了子空间辨识算法的三个主要运算步骤：首先由LQ分解计算特定Hankel矩阵的行空间投影；再对该投影进行SVD，获取系统的可观测矩阵及状态序列的Kalman滤波器估计；最后由可观测矩阵和／或估计的状态序列确定系统矩阵。

It is introduced at first about HDS description and modeling and about an improved model of HDS. The character of HDS, such as stability, controllability, observability and unflappability, are analyzed and the corresponding criterion is defined. All conclusions can be generalized to other types of HDS.

首先介绍了HDS的描述与建模问题，给出了改进后的HDS数学模型，并分析了HDS的稳定性、能控性、能观性以及可镇定问题，给出了相应的判别条件，所得到的结论可以推广到其它类型的HDS。

First, the partial observability of target parameters when a single observation station moves with uniform velocity and the target moves with a uniform acceleration in the straight line is proved in theory.

首先在理论上证明了目标作匀加速直线运动，单观测站作匀速直线运动时的目标参数的部分可观测性。

A new observability evaluation algorithm based on Factored Use-Def chains is provided. It represents data dependence information of Verilog RTL codes by FUD chains. Furthermore, it enhances capability of FUD chains, by usingφ-terms to track running behavior of programs.

提出了一种新的基于FUD链的可观测性评估算法，即，利用数据流分析中的FUD链来表征Verilog RTL代码的数据依赖信息，并拓展了原始FUD链的功能，使用其中的φ-term来追踪Verilog RTL代码动态执行的轨迹。

The methods of theory analyses and digital simulation have been used in this thesis and several schemes of strapdown guidance law based on analyzing the performance of several classical guidance laws have also been present according to the characteristics of strapdown Anti-Radiation homing seeker. The stapdown guidance systems were built for a certain Anti-Radiation missile, adopting acceleration autopilot and the attitude autopilot, and the paper has focus on analyzing the performance of low frequency strapdown Anti-Radiation homing seeker. The Approaches of lead correction and dead-zone relay control were given to improve the guidance precision, and also the increasable observability law was attempt and validate.

本文采用理论分析和仿真实验相结合的方法，在对经典制导律进行理论分析和验证的基础上，针对捷联反辐射导引头的特点，提出了捷联制导律多种设计方案，并以某型反辐射导弹为应用背景，分别采用姿态角反馈自动驾驶仪和过载反馈自动驾驶仪构造了捷联制导系统，重点基于反辐射导引头的低频端特性，开展了捷联制导律的导引性能对比分析工作，提出了应用超前校正和带死区继电控制提高制导精度的方法，并对提高可观测性的捷联制导算法的实现思路进行了尝试和验证。

We argue that this is due to the partial mutual observability between the team members.

我们认为这是由於团队成员间的相互可观测性引起的。

Here,however, the degree of dependence is not related to the level of observability .

不过，不管如何，依赖的程度和信任度与可见性的水准没有关联。

In order to analyse the results of Kalman filter, it is necessary to study the observability further more.

在卡尔曼滤波中为分析滤波的效果，还必须更深入地了解系统的观测度。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。