The hierarchy of an aerial attack target menace evaluation model in air defense system is established using the hierachy analysis method, and the cost weighting coefficient is obtained.

首先运用层次分析法建立了防空系统对空袭目标价值评估模型的层次结构，并获得空袭目标的价值权重系数。

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By introducing new design parameters such as control move damping coefficient and state feedback weighting fact, the poles of the closed loop predictive control systems can be assigned arbitrarily.

通过引入控制作用衰减系数及状态反馈加权系数，状态反馈预测控制系统的极点可任意配置。

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Ensemble sys-tem reliability design flow chart, system reliability model and formulae are given. And a weighting coefficient is introduced to the computing by means of practical situation.

文中给出了可靠性总体设计流程图、系统可靠性模型和计算公式，并在计算中根据实际情况引进了加权系数。

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