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拟仿真
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  imitative simulation
     The paper uses three simulation methods: Straight simulation, Expectation estimating technique, and imitative simulation to simulate certain type of solid engine system.
     对某固体火箭发动机系统,用三种可靠性仿真方法:直接仿真方法、期望估计技巧以及拟仿真方法,分别进行了系统可靠性仿真运算。
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  “拟仿真”译为未确定词的双语例句
     Based on integrated description of simulation of dynamic reliability system, algorithms of direct simulation, analog simulation, forced transmit, direct statistical extimation, weighted statistical estimation are given. Reliability of a non markov Con/k/n:F system is calculated by these five Monte Carlo methods. Results show that weighted statistical estimation method has highest efficiency.
     在动态可靠性系统仿真的统一描述基础上给出直接仿真方法、拟仿真方法、强迫转换方法、直接统计估计方法、加权统计估计方法的具体算法 ,并用这五种方法计算Con/k/n :F系统的不可靠度 ,结果表明加权统计估计蒙特卡罗方法的效率最高
短句来源
     Using both free-flight estimator and biased probability space of sampling, weighted statistical estimation Monte Carlo is also achieved. Five Monte Carlo schemes, including crude simulation, analog simulation, statistical estimation based on crude and analog simulation, and weighted statistical estimation, are used for calculating the unavailability of a repairable Con/3/30: F system.
     用直接仿真方法、拟仿真方法、基于直接仿真的统计估计方法、基于拟方仿真的统计估计方法和加权统计估计方法计算了一可修Con/3/30:F系统的瞬态不可用度.
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  相似匹配句对
     Manufacturing process simulation in virtual manufacturing technology
     实制造的机械加工过程仿真
短句来源
     Virtual manufacturing and Modern Simulation Technolgy
     实制造与现代仿真技术
短句来源
     Simulation System for Ship Navigate
     船舶驾驶仿真
短句来源
     Simulation of Programmable Interrupt Controller
     可编程中断控制器的仿真
短句来源
     QUASI RANDOM CHOICE METHOD ( QRCM )
     随机选择法
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  imitative simulation
Analysis of the algorithm parameters is carried out, and sensitivity of the new method is evaluated based on full-scale experiments and the imitative simulation data.
      
Complex of Programs for Imitative Simulation of Acceleration, Heating, and Melting of Particles in Gas‐Dynamic Channels of Techn
      


The paper uses three simulation methods: Straight simulation, Expectation estimating technique, and imitative simulation to simulate certain type of solid engine system. Reliability calculation and corresponding algorithms are given. The program is compiled, the results are listed and compared. After the error analysis of the results, the difference of error, time and the complexion of algorithms are compared. Thus the most adaptable simulation method for the solid engine is fixed.

对某固体火箭发动机系统,用三种可靠性仿真方法:直接仿真方法、期望估计技巧以及拟仿真方法,分别进行了系统可靠性仿真运算。给出了相对应的算法,运行按算法编写的C 语言程序,得出各种仿真方法的仿真结果并进行了分析。然后对仿真结果的误差进行分析,从误差、时间及算法复杂性几个方面进行了比较,从而挑选出符合该发动机系统可靠性仿真要求的仿真方法。

Based on integrated description of simulation of dynamic reliability system, algorithms of direct simulation, analog simulation, forced transmit, direct statistical extimation, weighted statistical estimation are given. Reliability of a non markov Con/k/n:F system is calculated by these five Monte Carlo methods. Results show that weighted statistical estimation method has highest efficiency. [

在动态可靠性系统仿真的统一描述基础上给出直接仿真方法、拟仿真方法、强迫转换方法、直接统计估计方法、加权统计估计方法的具体算法 ,并用这五种方法计算Con/k/n :F系统的不可靠度 ,结果表明加权统计估计蒙特卡罗方法的效率最高

Monte Carlo simulation has become an important tool for estimating the reliability and availability of dynamic system, since conventional numerical methods are no longer efficient when the size of the system to solve is large. However, evaluating by a simulation the probability of occurrence of very rare events means playing a very large number of histories of the system, which leads to unacceptable computing time. Highly efficient Monte Carlo should be worked out. In this paper, based on the integral equation...

Monte Carlo simulation has become an important tool for estimating the reliability and availability of dynamic system, since conventional numerical methods are no longer efficient when the size of the system to solve is large. However, evaluating by a simulation the probability of occurrence of very rare events means playing a very large number of histories of the system, which leads to unacceptable computing time. Highly efficient Monte Carlo should be worked out. In this paper, based on the integral equation describing state transitions of Markov dynamic system, a u-niform Monte Carlo for estimating unavailability is presented. Using free-flight estimator, direct statistical estimation Monte Carlo is achieved. Using both free-flight estimator and biased probability space of sampling, weighted statistical estimation Monte Carlo is also achieved. Five Monte Carlo schemes, including crude simulation, analog simulation, statistical estimation based on crude and analog simulation, and weighted statistical estimation, are used for calculating the unavailability of a repairable Con/3/30: F system. Their efficiencies are compared with each other. The results show the weighted statistical estimation Monte Carlo has the smallest variance and the highest efficiency in very rare events simulation.

当马尔可夫系统规模较大时,需要采用蒙特卡罗方法计算其瞬态不可用度.如果系统的不可用度很小,则需要采用高效率的蒙特卡罗方法.本文在马尔可夫系统寿命过程的积分方程的基础上,给出了系统瞬态不可用度计算的蒙特卡罗方法的统一描述,由此设计了马尔可夫系统瞬态不可用度计算的直接统计估计方法和加权统计估计方法.用直接仿真方法、拟仿真方法、基于直接仿真的统计估计方法、基于拟方仿真的统计估计方法和加权统计估计方法计算了一可修Con/3/30:F系统的瞬态不可用度.结果表明,由于同时采用了偏倚的抽样空间和逐次事件估计量,加权统计估计方法的方差最小,当系统不可用度很小时,该方法效率最高.

 
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