In the paper, taking the atomic EPR entanglement of quantum teleportation of atomic state in thermal environment damping-density operator approach, and the average fidelities are channel state ｜φ = （1/√2）（｜00）...In the paper, taking the atomic EPR entanglement of quantum teleportation of atomic state in thermal environment damping-density operator approach, and the average fidelities are channel state ｜φ = （1/√2）（｜00） ＋ ｜11〉） is more robust than ｜φ｜ they are subject to the dissipative environments. states as quantum channel, we investigate the fidelity and vacuum reservoir by means of quantum theory of calculated, the results show that the atomic quantum = （1/√2）（｜01〉 ＋ ｜10〉） in teleportation process when they are subject to the dissipative environments.展开更多
介绍了NJG型真空激光准直系统的基本原理以及在潘家口水库大坝的布置情况。在目前的实际工作中,NJG型真空激光准直系统能够实现水平位移与垂直位移的自动化同步监测,测量结果均符合大坝变形监测的规律,数据稳定且连续。通过分析和研究最...介绍了NJG型真空激光准直系统的基本原理以及在潘家口水库大坝的布置情况。在目前的实际工作中,NJG型真空激光准直系统能够实现水平位移与垂直位移的自动化同步监测,测量结果均符合大坝变形监测的规律,数据稳定且连续。通过分析和研究最近2 a NJG型真空激光准直系统的观测资料,确认NJG型真空激光准直系统的可靠性,其平均无故障时间和自动化数据缺失率均符合规范要求,由此得出应用于大坝变形监测中的NJG型真空激光准直系统具有精度高、故障率低、运行稳定、方便维护的特点。展开更多
基金Supported by the Natural Science Foundation of Hunan Province of China under Grant No.10JJ3088Funds of Hunan Education Bureau under Grant No.10C0616the Key Research Foundation of the Education Bureau of Hunan Province under Grant Nos.10A026 and 08A015
文摘In the paper, taking the atomic EPR entanglement of quantum teleportation of atomic state in thermal environment damping-density operator approach, and the average fidelities are channel state ｜φ = （1/√2）（｜00） ＋ ｜11〉） is more robust than ｜φ｜ they are subject to the dissipative environments. states as quantum channel, we investigate the fidelity and vacuum reservoir by means of quantum theory of calculated, the results show that the atomic quantum = （1/√2）（｜01〉 ＋ ｜10〉） in teleportation process when they are subject to the dissipative environments.
文摘介绍了NJG型真空激光准直系统的基本原理以及在潘家口水库大坝的布置情况。在目前的实际工作中,NJG型真空激光准直系统能够实现水平位移与垂直位移的自动化同步监测,测量结果均符合大坝变形监测的规律,数据稳定且连续。通过分析和研究最近2 a NJG型真空激光准直系统的观测资料,确认NJG型真空激光准直系统的可靠性,其平均无故障时间和自动化数据缺失率均符合规范要求,由此得出应用于大坝变形监测中的NJG型真空激光准直系统具有精度高、故障率低、运行稳定、方便维护的特点。
