查询词典 adaptive

Aiming at the adaptability of general torpedo acoustic homing federate for requirement in the specific federation system,the method of federate development based on adaptive software architecture is proposed,and the framework of adaptive architecture of federate is presented.

针对通用鱼雷声自导联邦成员在特定联邦系统中对适应性的需求，提出了一种基于适应性软件体系结构的联邦成员开发方法，并给出适应性联邦成员体系结构框架。

Adaptive subdivision is performed only in the areas facing to the viewpoint in the pre-process. And in the each adaptive subdivision, we choose the normal angle of the adjacent faces as the control error to detect whether the approximation is sufficient. Sharp edges are automatically tagged according to the given thresholdθand subdivision masks are designed based on different sharp degrees.

在预处理过程中，只选取面向视点的网格作为能够被进一步自适应细分的网格；在自适应细分过程中，用相邻面片的法向夹角作为控制误差来反映细分的逼近程度是否足够；并根据预设的阈值θ自动标记网格中的尖锐特征边，重新设计尖锐特征处的权值掩模。

Being based on the simulative idea to the adaptive fuzzy control mechanism of human brain, a new and unique no-model adaptive fuzzy control structure is given and relevant theory methods and AFDC system of robot are established in the strategy.

该策略基于模拟人脑的自适应模糊控制功能的设想，从被控机器人近似于黑箱的角度，给出了具有特色的复合无模型自适应模糊控制结构模式，并建立了相应的研究理论、方法和机器人自适应模糊动态控制系统。

Firstly, it discusses the principle of adaptive interference chancellor, including broad band signal and narrow band signal; Secondly, it analysises one common algorithm used in adaptive interference chancellor, that is, LMS algorithm and its anamorphosis algorithm especially normalized LMS algorithm pointing out their relationship. After then, the paper talks about the structure and reality of canceling broad band noise in narrow band signal and narrow band noise in broad band signal and gives it's result simulation analyzing the factors affecting the power of the algorithm. In the last party, it gives the hardware design and assembly language software design using TMS32OC3 1, including the result of simulating.

首先，本文讨论了自适应干扰对消的原理，并对窄带信号和宽带信号两种进行了分别分析；然后本文对自适应干扰对消中常用的算法—LMS算法进行了分析，同时也讨论了LMS算法的变形算法，尤其是归一化LMS算法，并指出了这些算法的相同和不同之处；此后，本文讨论了窄带信号中的宽带干扰对消和宽带信号中的窄带干扰对消的结构及实现方法并给出了住址的结果，分析了影响干扰对消效果的因素；在论文的最后，给出了用TMS320C31实现窄带信号中的宽带干扰对消的硬件设计和汇编程序设计，以及汇编语言程序的结果，并就此结果与高级语言程序的结果作了比较。

We have proposed the switching adaptive control law for the systems and designed the Lyapunov function in this thesis. It is proved that the proposed switching adaptive control law guarantees the solutions of the nonlinear systems boundedness and convergence of the tracking error to a residual set based on the Lyapunovs stability theory. The residual set can be made arbitrarily small by choosing a certain design parameters.

文中设计出了这类系统的切换自适应控制律，并构造出相应的Lyapunov函数，基于Lyapunov稳定性理论证明了系统在所设计的控制律作用下，闭环信号都有界并且跟踪误差收敛到一个集合，通过选择适当的参数可使这个集合任意小。

This paper used the ratio of arithmetic to geometric mean to replace the coefficient of variation and applied into the enhanced adaptive filters. It proposed the novel class of adaptive filters, which were based on the ratio of arithmetic to geometric mean and were designed for speckle.

为此，将算术—几何均值比引入增强型的Lee和Frost等滤波器中，并取代变差系数在这些滤波器中的作用，推导得出一类新的基于算术—几何均值比的自适应斑点噪声滤波器。

By introducing a differential-difference adaptive law, an adaptive repetitive learning control strategy is designed to ensure the asymptotic convergence of the extended tracking error in the sense of square error norm.

通过引进微分－差分参数自适应律，设计了一种自适应控制策略，使广义跟踪误差在误差平方范数意义下渐近收敛于零。

A differential difference type adaptive law and an adaptive iterative learning controller are constructed to ensure the asymptotic convergence of tracking errors in the sense of square error norm on the finite interval, by introducing a Lyapunov-like function, a sufficient condition of the convergence of the method is given.

通过引入微分－差分自适应学习律，设计了一种自适应控制策略，使得跟踪误差在一个有限区间上的积分渐近收敛于零；通过构造Lyapunov-like函数，给出了闭环系统收敛的一个充分条件。

Therefore this dissertation applies adaptive control technology to realize the digital control of magnetic north-seeking systems. The simulation results show that the pole assignment adaptive PID control method is superior to the classic PID control. This adaptive controller achieved the desire of system design, so the task of system design is accomplished.

结果表明在磁悬浮寻北仪系统的控制过程中，极点配置自适应PID控制方法明显优于普通PID控制方法，该控制器在稳定性及抗干扰性等方面均达到了系统设计的要求，从而完成了系统设计的任务。

Firstly, a class of affine nonlinear systems are considered. The single-layered neural networks are used to approximate the nonlinear functions of the systems. Stable adaptive control algorithms are presented based on system states feedback and system output feedback respectively. The boundary of the tracking error is guaranteed. Then, by using the technique of input-output linearization, the stable adaptive control method for general nonlinear systems is proposed. Finally, the effectiveness of the proposed adaptive control algorithms are verified through the simulation researches for the control of robot manipulator.

首先考虑一类仿射非线性系统，利用单层神经网络去逼近系统的非线性函数，分别给出了基于系统状态反馈和输出反馈的稳定自适应控制算法，确保系统的跟踪误差有界；然后利用输入输出线性化方法，给出广义非线性系统的自适应控制方法；最后通过在机械手位置跟踪控制中的仿真研究，验证了所提方法的有效性。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。