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solution track
相关语句
  相似匹配句对
     solution.
     溶液进行对照。
短句来源
     T's solution.
     T解集中不出现空集;
短句来源
     Numerical Solution of the Ray Equation and the Ray Track
     光线方程的数值解与光线追迹
短句来源
     The approach and solution to the knotty problems in the track and field judgement
     田径比赛裁判工作疑难问题及处理办法的探讨
短句来源
     Track Buckling
     轨道臌曲
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This paper firstly studies and discusses the character and the value assessment of project asset in the investment management company. The project investment decision can be considered as a realization of its decision goal process in which the capital and cashes are shifted among the given project assets' set. The maximized surplus wealth is used as the goal of the investment management decision process and a driven mechanism is applied as the structure of the decision model, which results in the correspondent...

This paper firstly studies and discusses the character and the value assessment of project asset in the investment management company. The project investment decision can be considered as a realization of its decision goal process in which the capital and cashes are shifted among the given project assets' set. The maximized surplus wealth is used as the goal of the investment management decision process and a driven mechanism is applied as the structure of the decision model, which results in the correspondent maximized surplus wealth and the tactics,i.e., solution track of the investment management. The results from this research can be used as a reference by the investment management company in doing the real decision-takings and be of practical application significance.

研究投资管理公司项目资产的特点,对作为投资管理公司资产的项目价值评估做出了讨论,进一步把投资管理公司的项目投资决策理解为一个在给定的项目资产集合中移动资产数值和现金拥有量来实现其决策目标的过程。应用财富盈余最大化作为投资管理公司的决策目标,并使用一个驱动机制作为模型结构,从而获得对应的最大盈余财富和投资管理公司的策略一一对应的轨道解。本研究可以为投资管理公司在实际决策时参考使用,具有比较现实的应用意义。

This paper studies SHEPWM that is applied to three-level neutral-point-clamped inverter. Though there is only one group of solutions for three-level SHE in published papers, this paper gives another group of initial values for the solution of SHE non-linear equations, thus two groups of solutions are obtained. Further studies show that when modulation index is high there may be multiple groups of solutions. Four groups of solutions and the corresponding solution tracks are...

This paper studies SHEPWM that is applied to three-level neutral-point-clamped inverter. Though there is only one group of solutions for three-level SHE in published papers, this paper gives another group of initial values for the solution of SHE non-linear equations, thus two groups of solutions are obtained. Further studies show that when modulation index is high there may be multiple groups of solutions. Four groups of solutions and the corresponding solution tracks are firstly given in this paper for high modulation index when switching points equals 7. Practical computation verifies the effectiveness of the formula of initial values presented in this paper. Experimental results prove that the four groups of solutions are correct and there exist differences among them in harmonic characteristic, which provides more choices in practical use.

研究了应用于三电平NPC逆变器的特定消谐技术(Selective Harmonic Eliminated PWM,SHEPWM),针对目前文献只给出三电平SHE一组解的情况,给出了另外一组初值解经验公式,从而得到了三电平SHE的两组解。进一步研究发现在调制比较高时会存在更多组解,从而使解轨迹发生分岔现象。以开关点数N=7为例,首次给出了其在高调制比时的四组解以及开关角度随基波调制比变化的解轨迹。实际计算结果表明,利用本文所给经验公式可以快速准确得到SHE方程组的解。最后通过实验验证了文中所给四组解的正确性,并分析和比较了其谐波特性的差异,为实际应用中解的优化选择提供了依据。

 
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