决定性的因素是这种区分是没有根据的样本离散多时间,但它是一个物理作用,使用户会看到一个充满活力,低噪声加速度信号。
The decisive factor is that the differentiation is not based on a sample over a discrete time period, but is a physical effect, so that the user sees a dynamic, low-noise acceleration signal.
切换动态系统是一类重要的混合动态系统,它是由几个连续时间子系统或离散时间子系统及作用在其中的切换规则构成的。
As an important class of hybrid dynamical systems, a switched system is composed of several continuous time subsystems or discrete time subsystems and the switching signal among them.
离散傅里叶变换(DFT)在数字信号处理等许多领域中起着重要作用。
The Discrete Fourier Transform (DFT) plays an important role in digital signal processing and many other fields.
本文讨论动力系统在相关多激发作用下的随机振动离散分析方法。
A discrete analysis. Method for random vibration of structures under the excitations correlated in time domain is discussed in this paper.
基于局部作用原理,借用有限元离散和插值技术,引入元胞自动机的演化思路,得到一种新的力学计算方法——元胞单元法。
Based on principle of local action and the idea of cellular automata, a new mechanical method cellular element method is presented through inducting the discrete techniques of finite element method.
在离散—连续组合模型中包含第一溶剂化层的溶剂分子已经可以较为近似地描述出溶剂化的主要作用。
The combined discrete-continuum model, which including the solvent molecules in the first solvation shell, is enough to simulate main effects.
现实世界中许多复杂动力网络的状态不仅仅是单纯的连续变量或离散变量,而是两者同时存在与作用。
Many complex dynamical networks in real world haven t simplex continuous or discrete variables any more, but both continuous-state and discrete-state existence.
在一些一维离散晶格体系中,量子效应对体系的性质具有至关重要的作用,应该加以考虑。
In some 1d discrete lattice systems, quantum effects play a crucial role to the properties of systems, and should be taken into account.
将每根枕木考虑成一个支座反力,将横向枕木支承的钢轨模拟成离散的弹性地基梁模型,将列车考虑成一个作用在梁上的移动荷载。
We consider each sleeper as an abutment of opposite forces, rails on horizontal sleepers as a mock dispersed elastic ground beam model and trains as moving load on beams.
连续属性的离散化在数据挖掘中有着非常重要的作用。
The discretization of continuous properties is very important in data mining.
大坝混凝土施工是一种典型的离散事件动态系统(DEDS),系统内相互作用较复杂,很难用一个数学解析模型来表达。
Concrete construction of dam is typical dispersed event dynamic system (DEDS). Mutual action is very complex in DEDS, and it is very had to be expressed by mathematic analytic model.
该方法通过离散压下量,迭代计算得出板型良好的轧制压力所对应的变形量,对实际生产有指导作用。
The deformation quantity corresponding to the rolling press getting good shape can be got by straggling press amount and iterative computation.
最后,借助于振动台的离散五刚体模型,将振动台的台面加速度作为控制目标,进行了复合实验系统在随机输入作用下的控制仿真。
At last, based on the discrete state equation, two kinds of adaptive inverse control system were set up to control the acceleration of the countertop under the random excitation.
应用联合有限-离散元法结合弥散式旋转裂缝模型分析了地震作用下混凝土重力坝动力破坏过程。
This paper uses the combined finite-discrete element method with smeared rotating crack model to analyze the seismic rupture process simulation of concrete gravity dam under the action of earthquake.
切换系统是一类重要的混合动态系统,它是由几个连续时间子系统或离散时间子系统及作用在其中的切换规则构成的。
As an important class of hybrid dynamical systems, a switched system is composed of several continuous-time subsystems or discrete-time subsystems and the switching rules among them.
针对均匀电场作用下两相系统中的单个离散相周围电场分布情况,建立了数学模型。
A mathematical model was established to predict the electric field distribution around a single discrete phase in two-phase system applied uniform electric field.
随着研究的深入,人们开始认识到一种由离散事件与连续系统交互作用的一类混杂系统问题的重要性和挑战性。
Hybrid systems consist of the discrete event interacting with continuous dynamic, and the theory and application of hybrid systems have attracted many researchers.
本文据此说明:河外星系红移是光子在其特征力场作用下的离散运动的直接结果。
This result suggests that the red-shifts of galaxies are direct results of photon motion in the discrete space-time under photon's own force field.
考虑一均匀各向同性薄板结构,在板面内受面力作用,且在板的上下表面离散分布着压电执行元件。
A homogeneous isotropic thin plate, on which the surface force ACTS and there are many actuators of discrete distribution, is considered.
这类系统的连续动态、离散动态与时滞相互作用,使系统的动态行为变得十分复杂。
Due to the interaction among the continuous dynamics and discrete dynamics and time delays, the behavior of such systems is very complicated.
针对离散多层圆筒(DMC)在动载荷作用下研究的不足,研究了DMC在强动载荷作用下的弹性动力响应。
Considering the lack of research on dynamic response of discrete multi-layered cylinder (DMC), a dynamic elastic solution of DMC under intensive dynamic loading was studied.
讨论了在常见典型信号作用下直接确定线性时不变离散系统零状态响应的一种方法。
A method of directly determining discrete-time system's zero-state response sequences under the action of the common typical signals is discussed.
混杂动态系统是指系统既包含连续动态变量又包含离散动态变量,而且两种变量相互作用形成系统。
Hybrid dynamic systems are those where the behavior of interest is determined by interacting continuous and discrete dynamics.
本文利用保角变换,用离散涡方法求解了卡门涡街与翼型的相互作用。
Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
介绍了离散元(DEM)方法的基本原理、颗粒运动控制方程和颗粒相互作用力的数学模型。
The basic principles of DEM(discrete element model), and the equations of particle motion and models of particle particle interaction are introduced.
离散力是由于粗颗粒相互之间的碰撞,以及粗颗粒与边壁之间的碰撞所造成的。 而粘土颗粒的絮凝作用形成絮团和絮网结构,它们对粗颗粒之间的碰撞起到缓冲作用。
The dispersive force caused by collision of coarse particles reduces to a great degress due to the cushioning effect of the flocculent structures formed by fine particles.
对混合层流动进行了数值模拟。采用了离散涡方法。计算中采用扩散速度法处理粘性作用项。
The mixing layer flow was numerically simulated by the discrete vortex method, in which the diffusion velocity method was adopted to model the viscosity.
将无源的概念引入到滞后离散广义系统中,进而研究具滞后的离散广义系统在有界能量外部输入作用下的无源控制问题。
The definition of passive is proposed for discrete singular systems with time-delay and the passive control problem is discussed under bounded energy exogenous inputs for such systems.
将无源的概念引入到滞后离散广义系统中,进而研究具滞后的离散广义系统在有界能量外部输入作用下的无源控制问题。
The definition of passive is proposed for discrete singular systems with time-delay and the passive control problem is discussed under bounded energy exogenous inputs for such systems.
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