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为了构建高生存性的量子信令网,基于保真度概念,提出量子信道生存函数和信令网生存性的概念.分析光纤和自由空间生存系数,计算三种消相干机理下有噪量子信道保真度,给出生存函数测试模型.仿真分析表明,通过降低量子态跃迁率,控制光纤衰减损耗和大气衰减系数,减小量子态演化时间,设置量子中继,可以建立高生存性量子信道,为量子纠缠信令网标准的制定提供理论基础.
In order to construct a high survivability quantum signaling network, the concept of survivability of quantum channel and survivability of signaling network is proposed based on the concept of fidelity. The fiber and free-space survivor coefficients are analyzed and three sub-channels Fidelity, and the test model of survival function is given.The simulation analysis shows that by setting lower quantum state transition rate, controlling fiber attenuation loss and atmospheric attenuation coefficient, reducing quantum state evolution time and setting quantum relay, we can establish high survivability quantum channel , Which provides the theoretical basis for the establishment of the standard of quantum entanglement signaling network.