查询词典 variable-density system

In this paper, the overall design scheme of one assault rifle prototype with double cyclic systems and variable firing rate is illuminated in brief and the related analytical models of one DOF and two DOF by the basic theory of dynamics of multi-rigid-body system is established. The calculating analogue program in VB computer language for analyzing the movement regularities of floating body of the assault rifle prototype with some universal property and function of man-machine conversation is completed. The comparison between the calculating results and the experimental results is conducted also.

本文对某步枪双循环变射频发射原理样机方案进行了简单的说明，应用多刚体系统动力学基本理论建立了原理样枪的一自由度和二自由度动力学分析模型，用VB编写了具有一定通用性和人机对话功能的自动机运动规律分析计算程序，并将计算结果与试验结果进行了比较，验证了数理模型的正确性。

Approximation theory of real sliding mode in variable structure control of time-delay singular system.

时滞广义变结构控制系统的实滑模近似理论。全球智能控制与自动化大会， 2006，

This paper designs a nonlinear variable structure control system based on backstepping technique and fuzzy sliding mode control for asymptotic stabilization during the path tracking.

采用基于后推与模糊滑模控制相结合的方法设计了移动机器人的变结构状态反馈控制器，实现了对道路跟踪侧向误差的渐近镇定控制。

The auxiliary variable system was constituted, and the recursive algorithm that can reduce the measurement noise interference has been developed. The bias property of LS with input/output measurement noise has been derived, and the self-adaptive deviation compensation principle of measurement noise variance has been proposed, and the corresponding algorithm is designed. The influence of parameters of wavelet modulating on estimation precision is investigated with simulation examples.

2构造了能降低测量噪声干扰的辅助变量系统及递推算法，研究了输入输出端测量噪声影响下最小二乘估计的偏差特性，提出了两种基于测量噪声方差估计的自适应偏差补偿原理并设计相应算法，用仿真算例研究了调制滤波器参数对辨识精度的影响。

Variable is the base of the number system.

变数以数字系统为基础。

In line with the cardinal principle of Clustering Intelligence Management, regard organization, personnel, technology, environment, system etc as the basic variable, analyze and investigate in terms of practical application, and has put forward the corresponding main attention point, not only has enriched the connotation of Clustering Intelligence Management, but also strengthened the realistic feasibility of studying conclusion.

本着集智管理的根本原则，以组织、人员、技术、环境、制度等为基本变量，从实际应用的角度作了分析和考察，并提出了相应的注意要点，不仅丰富了集智管理的内涵，还增强了研究结论的现实可行性。

Classifying the system constraints as basic constraints and variable constraints,a model of flexible multibody with changing topologies is developed.

将系统约束分为基本约束和条件约束，建立了变拓扑结构柔性多体动力学模型。

By taking advantage of the modeling capacity of neural networks, the dependence on model of inverse system is reduced. Neural networks error model is used to estimate the uncertainty to decrease the error bound set in variable structure control.

围绕这两个目的，本文首先介绍了挠性结构发展的现状，以及所面临的主要控制问题和采用的主要控制方法，分析了各自的优势和存在的不足。

Then this paper demonstrated the existence and accessibility of variable boundary layer sliding mode in such class of the system.

然后论证了此类系统的变边界层滑动模态的存在性与可达性。

Actuator is automatic control system, the operation is based on the role of control signal controller is operated by the size of the medium change, you will be charged variable required on maintaining.

执行器是自动控制系统中的操作环节，其作用是根据控制器送来的控制信号改变所操作介质的大小，将被控变量维持在所要求的数值上。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。