查询词典 dynamic condition

The dynamic characteristics of the half-tracked air-cushion vehicle are different from other conventional vehicles. Its mechanical equation includes several parameters being related to propulsion system, air-cushion system and soil condition. This system is a higher order nonlinear time-variant system with a delay.

由于半履带式气垫车的力学特性不同于以往的常规车辆，其动力学模型包含与驱动系统、垫升系统、地面条件等有关的多个参数，属于大滞后的高阶非线性时变系统。

Secondly, by applying inverse Fourier integral transform to the displacement, and uniting the constitutive and geometrical equations, the analytical expression of stress in Laplace domain were derived. Thirdly, by defining dislocation density functions, the Cauchy singular integral equations were obtained according to the boundary condition and interface connection conditions, and the problem was reduced to algebraic equations by Chebyshev orthogonal polynomial. Based the these, the unknown coefficient of the algebraic equations can be solved by Schmidt method. Finally, the time response of dynamic stress intensity factor and energy release rate are obtained by inverse Laplace transform.

首先，利用积分变换方法，推导出粘弹性层的控制方程组；其次，引入位错密度函数，并结合边界条件和界面连接条件，导出反映裂纹尖端奇异性的Cauchy型奇异积分方程组，然后，应用Chebyshev正交多项式化奇异积分方程组为代数方程组，并采用Schmidt方法对其数值求解，最后，经过Laplace逆变换，求得动态应力强度因子和能量释放率的时间响应。

This paper presents experimental research and a dynamic model of single material(protein,amylum,fat,and cellulose)digestion for landfill condition s.

为揭示生活垃圾在填埋场条件下的厌氧降解规律，该文试验研究了生活垃圾中4种常见的有机组分：蛋白质、淀粉、脂肪和纤维素在厌氧填埋条件下的降解特性，并建立了动力学模型。

Therefore, we apply the distributed monitor and control network technology based on OMRON PLC to the mine hoist"s back-up protection control system, working-condition monitor system, analog data acquisition data processing system. And applying the HOST Link and the PLC Link communication technology, we realize the following functions, the real-time monitor and control the hoist"s running state and running speed on line, real-time dynamic display, unified management by computer.

为此我们把所研究的由OMRON公司的PLC组成的集散测控网络技术，实际应用到矿井提升机的后备保护控制系统和提升机的工况检测、模拟量的数据采集与处理系统之中，并且应用PLC网络中的HOST Link和PLC Link通信技术，具体实现了对提升容器的运行状态、运行速度的在线实时监控和动态显示以及计算机的统一管理。

The introduction of the new algorithm is a new idea to calculate attitude error compensation of FOG strapdown inertial navigation under the condition of high dynamic angular motion.

新算法的提出为高动态环境下光纤陀螺捷联系统的姿态误差补偿提供了一个新的思路。

Under the condition of high dynamic angular motion or vibration environment,confirmed and corrected the sculling error was important to calculate the speed of strapdown inertial system .

划桨误差的确定与补偿是影响高动态、恶劣振动环境下捷联惯性导航系统速度计算的重要问题。

In MPF, the dynamic explicit finite element arithmetic is very suited to simulate the sheet metal forming because the contact between the elements and the sheet is discontinuous and the loading condition is very complicated.

在板材的多点成形过程中，由于基本体和板材之间接触状态不断发生变化，加载条件及其复杂，应用动态显式有限元算法求解具有明显的优势。

The mechanism and dynamic model of ASVG is introduced in this article at first. Then the authors point to the problems of running and control of ASVG under asymmetric conditions of power system, and put forward the asymmetric expert PID control law. Under the experimental condition of 10%negative voltage, the simulated results are given.

论述了ASVG的工作机理和在系统电压对称时的动态数学模型，并针对系统电压不对称时ASVG的运行与控制问题，分析了系统电压不对称时的被控对象模型，提出了恒电压不对称专家PID控制方法，给出了系统有15%的负序电压时的仿真结果。

In this paper, under laboratory condition , the dynamic influence of both single and combined pollution of carbofuran and cadmium on the number of azotobacter was studied.

本文在实验室条件下，研究了克百威与镉单一及复合污染对土壤中好气性自生固氮菌数量的动态影响。

The dynamic stability of this system is discussed by the Hopf bifurcation theory and the condition of the limit cycle occurring is given.

应用Hopf分岔理论讨论了时滞动力系统动态稳定性，给出了系统产生极限环的条件，最后用数值模拟的方法研究了时滞参数对系统极限环幅值的影响。

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。