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中文摘要：
提出了基于多属性权衡空间探索方法的卫星导航系统安全防护设计方法。该方法由4个步骤组成：第一步，将决策者关注的任务需求和导航系统性能定义为各种“属性”；第二步，通过分析这些属性，提出各种“设计变量”，即各种防护手段；第三步，建立系统模型，将防护手段映射到属性和费用；第四步，权衡空间分析，在同一个权衡空间下比较各不相同的防护方案和手段。实验结果表明，该方法能够在同一个权衡空间详细考察比较所有备选方案的多个属性，从而为系统设计和评估提供更全面的参考依据。
英文摘要：
A multi-attribute tradespace exploration （MATE） based design method for protection of global navigation satellite systems （GNSS） is presented. The method is composed of four phases. In the first phase, both the mission needs and GNSS performances that are preferred by decision-makers are defined and specified with attributes. In the second phase, the attributes are inspected and various design variables （i. e. protection means） are proposed. In the third phase, models are built to link the protection means to attributes and costs. In the fourth phase, tradespace analyses are made and all the designs are analyzed in the same tradespace. Ex- periment results show that these advantages of analyzing multi-attribute of all the designs in the same tradespace can provide comprehensive foundation for system design and evaluation.
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