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实际复杂系统
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  complex real system
     Combining network planning technique with risk analysis, the author succeds in introducing really the random factors into program evaluation and review technique (PERT). Thus a breakthrough is made on the limitation of conventional PERT network planning which considers only single critical path and assumes that the duration of every activity conforms to beta distribution. Besides, a large number of dynamic simulation for complex real system can be carried out by using computer simulation technique.
     尝试将网络计划技术与风险分析结合起来,突破了传统的PERT网络计划只考虑单一关键线路的限制以及每项活动持续时间均服从β分布的假定.在PERT中真正引入随机因素,利用计算机模拟技术,对实际复杂系统进行大量的动态模拟,从而获得描述系统特征的数值,为决策提供科学的依据.
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  “实际复杂系统”译为未确定词的双语例句
     The fuzzy control of hierarchical genetic algorithms which can summarize perfect control rules for real complicated system are drawn.
     基于遗传算法的模糊系统模型辨识,引出了可以对实际复杂系统总结出较完善控制规则的分层遗传算法的模糊控制.
     VR simulation is a visualized simulation method based on virtual reality technology. By creating virtual simulation environment of real complex system, the simulating process becomes more intuitionistic and immersive.
     VR仿真是基于虚拟现实技术的可视化仿真方法,其通过对实际复杂系统的虚拟场景模拟,实现了仿真过程的高度直观化和沉浸感。
短句来源
     These results can be used to guide the operation of ammonia plant. The practical problems such as the optimization of operation conditions of large and complicated systems can be solved by the strategy described in this paper.
     所描述的优化策略可用于解决大型实际复杂系统的操作条件优化问题. 这一结果为工厂优化操作指明了方向.
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     In feedforward ANC systems to funct ion efficiently,the primary signal must be highly correlated with the reference signal,However,in complex practical application this condition may not be met;
     在前馈ANC中,要获得好的降噪效果,参考传感器信号和噪声声源要紧密相关,这在实际复杂系统中较难以满足;
短句来源
     for the feedback ANC system,on the other band,its effect of noise suppression does not depend on the correlation between the two signals,but its effective band of frequency for noise suppression is quite narrow.
     针对前馈 ANC可实现较宽的降噪频带 ,但在实际复杂系统中不能完全满足参考传感器信号和噪声声源要紧密相关要求 ;
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  相似匹配句对
     Confusion from Complex Systems
     复杂系统的迷雾
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     Actual systems are nonlinear inherently.
     实际系统都是非线性的。
短句来源
     APPROACH OF DETERMINING ACTUAL SYSTEM OUTPUT
     实际系统输出的确定
短句来源
     A Survey of Modeling on Complex Systems
     复杂系统建模综述
     system).
     系统)。
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In this paper, an optimum method of a digital computer-aided automatic design for the compensating network in the control system is described.It, depending on the expected frequency charateristics of the designed network, repeatly solves the linear equations set, higher equations root, and uses an asymptotic approximation method of finding image by means of a digital computer-aided design to obtain the transfer functions of the digital and circuit networks and identify the linear system models.This method has...

In this paper, an optimum method of a digital computer-aided automatic design for the compensating network in the control system is described.It, depending on the expected frequency charateristics of the designed network, repeatly solves the linear equations set, higher equations root, and uses an asymptotic approximation method of finding image by means of a digital computer-aided design to obtain the transfer functions of the digital and circuit networks and identify the linear system models.This method has been successfully used in the design of the complex system. It posses, high speed, precision and automation.

本文介绍一种校正网络的数字机自动寻优设计法。这种方法根据期望的网络频率特性,由数字机通过反复解线性方程组,高次方程根和求象逼近来求得数字网络或电路网络的传递函数和辨识线性系统模型,现已成功地用于实际的复杂的系统设计之中。其优点是速度快,精度高,自动化程度高。

Combining network planning technique with risk analysis, the author succeds in introducing really the random factors into program evaluation and review technique (PERT). Thus a breakthrough is made on the limitation of conventional PERT network planning which considers only single critical path and assumes that the duration of every activity conforms to beta distribution. Besides, a large number of dynamic simulation for complex real system can be carried out by using computer simulation technique. Thus the...

Combining network planning technique with risk analysis, the author succeds in introducing really the random factors into program evaluation and review technique (PERT). Thus a breakthrough is made on the limitation of conventional PERT network planning which considers only single critical path and assumes that the duration of every activity conforms to beta distribution. Besides, a large number of dynamic simulation for complex real system can be carried out by using computer simulation technique. Thus the data describing system characteristic will be obtained and scientific basis for decision making will be offered.

尝试将网络计划技术与风险分析结合起来,突破了传统的PERT网络计划只考虑单一关键线路的限制以及每项活动持续时间均服从β分布的假定.在PERT中真正引入随机因素,利用计算机模拟技术,对实际复杂系统进行大量的动态模拟,从而获得描述系统特征的数值,为决策提供科学的依据.

According to the contributing factors the load impedance variations are classified in this paper into two kinds :the external cause mode and the self specific property mode.On the basis of the demonstration with regard to principal properties of the node impedance variations ,this paper points out that it is suitable to play the role of the node impedance modules among the physical quantities characterizing heavy load node while the operating points lie on the lower half or the steep segment belong to upper...

According to the contributing factors the load impedance variations are classified in this paper into two kinds :the external cause mode and the self specific property mode.On the basis of the demonstration with regard to principal properties of the node impedance variations ,this paper points out that it is suitable to play the role of the node impedance modules among the physical quantities characterizing heavy load node while the operating points lie on the lower half or the steep segment belong to upper half of the P V curves.Under the above circumstances ,it is also suitable to carry out the analyses in z L V space corresponding P V space.The following idea is proposed in this paper: When the dynamic load flow or middle term stability softwares are applied to research voltage stability for actual complicate power systems,the heavy load pilot nodes with minimum stability margin during crises should be dealt with specially, embeding the impedance analyses,taking close up to express the critical situation concretely.

按节点负荷阻抗变化成因 ,将其分为局外型和自身特性型两类。在论证关于节点阻抗模值变化基本性质的基础上指出 :运行工作点处于供求关系紧张的P V曲线上半支陡降区段或下半支时 ,在表征重负荷节点的物理量中 ,宜注重发挥节点负荷阻抗模值zL 的作用 ,并在与P V空间对应的zL V空间开展分析。并指出 :在运用动态潮流或中期稳定软件研究实际复杂系统电压稳定性问题时 ,对紧急态势下电压稳定裕度最小的重负荷领头节点 ,应进行特殊处理 ,嵌入阻抗解析 ,具体展示紧急态势

 
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