Based on the physical and mathematical model of spacecraft propulsion system, the application of model based fault diagnosis method to the propulsion system of spacecraft was studied.
在飞船推进系统的物理和数学模型的基础上，研究了基于模型的故障诊断方法在飞船推进系统中的应用。
The dynamic mathematical model of typical parts of generating boiler is set up according to basic physical laws, the modular library of system equipment is produced by Euler method.
依据基本物理定律，建立电站锅炉热力系统典型环节的动态数学模型并形成系统设备模块库，以欧拉法求解。
The first part deals with the fundamental physical assumptions and mathematical model, while the second part describes finite-element approximation and method of calculations.
第一部分提出了基本的物理假定，讨论了数学模型；第二部分是有限元逼近和计算方法的讨论。
Establishes the physical model and mathematical model of fire smoke diffusion in underground railway. Simulates the temperature field and concentration distribution of fire smoke using CFD method.
建立了地铁火灾中烟气运动的物理模型和数学模型，采用CFD方法模拟了地铁火灾时的温度场和烟气浓度分布。
The combination of physical model and mathematical model is an effective method to study the hydraulic transient process of complex water transfer system.
采用物理模型和数学模型相结合的研究方法，是研究复杂输水系统水力过渡过程的有效途经。
The performance of this method is illustrated with scaled physical model data for which the correct answer is known.
然后用参数已知的、按比例设计的物理模型进行此种方法试验。
In consideration of the nonlinear characteristics of hydraulic transmission system, the distributed physical net modeling method is applied to improve the accuracy of the model.
考虑到液压传动系统的非线性特性，为了提高模型的准确性，采用了分布式物理图网建模方法建立液压系统模型。
The updating result indicates that the physical conception of this combined static and dynamic model updating method is definite and can fully use the static and dynamic testing data.
修正结果表明：这种联合静动力的模型修正方法物理概念清楚，能充分利用静动力测试数据，经过修正后的有限元模型能够反映该桥的实际工作状态。
The simulation of physical vapor deposition by Monte Carlo method using a new physical model is presented in this paper.
运用蒙特卡罗方法，模拟了不同条件下的物理气相淀积薄膜生长过程。
In survey of this phenomenon, using spot date, physical and mathematics stimulant method, flowage and diffusion are studied and wellbore flow and air diffusion model of CO are established.
针对这一现象，运用现场数据以及物理模拟和数学模拟方法首次通过对CO气体流动、扩散等的综合研究，建立了CO井筒流动及大气扩散模型。
To evaluate the stability of the proposed method, the statistical properties of the physical parameters of the bridge structure were analyzed under the model parameters with random errors.
为了评定此桥梁损伤识别方法的稳定性，在模态参数带有一定的随机误差的情况下，分析了这种桥梁损伤识别方法的结构物理参数的统计特性。
In hydropower engineering construction, the research to the characteristics of discharging structure mainly depend on physical model experiment and numerical analysis method.
在水电工程建设中，对泄水工程水力特性的研究主要是借助物理模型试验和数值分析方法。
The artical introduces elementary equation, boundary and initial conditions of model of equivalent conduction heat transfer, physical property prarameters processing and the method of value solving.
介绍了等效传导传热模型的基本方程、界条件和初始条件、性参数的处理以及数值求解方法等。
The snag mechanism is analysed for plain - knitted fabric with proposed physical model and mathematical equation of snag processing. A new testing method is designed and results are introduced.
从理论上分析了纬平针织物钩丝的力学规律，提出了相应的物理模型和数学方程序，设计了新的钩丝测试方法。
The method which has definite physical meaning, can change fault diagnosis model to adapt to the variability and uncertainty of the plant by learning the fault diagnosis err.
该方法物理意义明确，可以通过对故障诊断误差的学习，实时修正故障模型，实现对不确定性和慢时变性对象的鲁棒故障诊断。
To test the validity of the principle and the method of the open EIT and the performance of the corresponding measurement system, the physical model and primary clinical experiments were operated.
为验证开放式EIT原理、方法的正确性以及实验样机的性能，开展了物理模型实验和临床实验。
The processs of female Osteoporosis and its prevention by Physical activity were simulated using anisotropic bone remodelling model with mechanostat combining with finite element method.
应用带有力学调控系统的各向异性骨再造模型结合有限元法，进行妇女骨质疏松过程及运动防治的模拟。
To solve the optimization-model of sintering burdening problem, firstly get the mathematic model from the physical model, and then the method using to solve the model was talked about.
针对烧结配料的优化问题，由物理模型得出数学模型，探讨了数学模型的求解方法。
As a branch of geophysics, theoretical and applied researches in geothermics are made by using mathematical method and physical model experiment like other geophysical methods.
作为地球物理场的一个分支，地温场在理论和应用研究方面与其它地球物理场一样，也主要是依靠数学方法和物理模型实验的方法来进行的。
The impulse response method is adopted to identify the modal parameters, and the physical parameters are estimated from the characteristic equation of the mathematical model built.
本文采用了单位脉冲响应函数法识别模态参数，由所建数学模型的特征方程识别结合部的物理参数。
With volumetric average method, a physical model is presented in this paper for one-dimensional porous media initially saturated with water when receiving a sudden inflow of steam.
根据多孔介质容积平均方法，建立了被水饱和的一维多孔介质中注入蒸气后的流动和传热的物理模型和数学模型。
For a long time, the primary method of the complex flow field research and project's solution on practical problems is the hydraulic physical model experiment.
长期以来，复杂流场的研究及解决工程实际问题的主要手段为水力学物理模型试验。
Modern teaching thought presents us a new way of undergoing the physical education teaching method, and promotes the traditional teaching model and the reform of methods.
现代教学思想赋予了体育教学方法研究新的思路，同时促进了传统教学模式和方法的变革。
A new physical and mathematical model of the thermal impulse method is set up. The testing techniques are discussed and analysed.
建立起热脉冲法的新理论模型，分析了相应的测试技术问题。
The physical model and theoretical method for studying the phonon excitation of stackingfaultimpurity complex with the motion of dislocation are proposed .
提出了研究杂质层错复合体声子激发及其与位错运动相关的模型及理论计算方法；
The physical model and theoretical method for studying the phonon excitation of stackingfaultimpurity complex with the motion of dislocation are proposed .
提出了研究杂质层错复合体声子激发及其与位错运动相关的模型及理论计算方法；
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