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基于自适应光源选择的纠缠光量子定位方法

周牧 张靖 谢良波 何维 李玲霞

周牧, 张靖, 谢良波, 何维, 李玲霞. 基于自适应光源选择的纠缠光量子定位方法[J]. 电子与信息学报, 2022, 44(9): 3058-3064. doi: 10.11999/JEIT220212
引用本文: 周牧, 张靖, 谢良波, 何维, 李玲霞. 基于自适应光源选择的纠缠光量子定位方法[J]. 电子与信息学报, 2022, 44(9): 3058-3064. doi: 10.11999/JEIT220212
ZHOU Mu, ZHANG Jing, XIE Liangbo, HE Wei, LI Lingxia. Entangled Light Quantum Positioning Method Based on Adaptive Light Source Selection[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3058-3064. doi: 10.11999/JEIT220212
Citation: ZHOU Mu, ZHANG Jing, XIE Liangbo, HE Wei, LI Lingxia. Entangled Light Quantum Positioning Method Based on Adaptive Light Source Selection[J]. Journal of Electronics & Information Technology, 2022, 44(9): 3058-3064. doi: 10.11999/JEIT220212

基于自适应光源选择的纠缠光量子定位方法

doi: 10.11999/JEIT220212
基金项目: 重庆市教委科学技术研究项目(KJZD-K202000605),重庆市技术创新与应用发展专项,国家自然科学基金(61901076),重庆市研究生科研创新项目(CYS21295)
详细信息
    作者简介:

    周牧:男,教授、博士生导师,主要研究方向为无线定位与感知、量子精密测量、多源信息融合与机器学习等

    张靖:女,硕士生,主要研究方向为无线定位和量子精密测量

    谢良波:男,教授、硕士生导师,主要研究方向为无线定位与感知、量子精密测量等

    何维:女,博士生,主要研究方向为无线定位、量子雷达、手势识别和机器学习

    李玲霞:女,高级工程师,硕士生导师,主要研究方向为室内定位技术等

    通讯作者:

    周牧 zhoumu@cqupt.edu.cn

  • 中图分类号: TN929.1

Entangled Light Quantum Positioning Method Based on Adaptive Light Source Selection

Funds: The Science and Technology Research Program of Chongqing Municipal Education Commission (KJZD-K202000605), The Special Project of Chongqing Technology Innovation and Application Development, The National Natural Science Foundation of China (61901076), The Postgraduate Scientific Research and Innovation Project of Chongqing (CYS21295)
  • 摘要: 纠缠光量子定位方法是目前导航与定位领域的研究热点之一,而现有方法很少考虑散射环境动态变化对不同光源中传播距离估计性能的影响,从而导致定位精度不高且鲁棒性较差的问题。针对这一问题,该文提出一种基于自适应光源选择的纠缠光量子定位方法。首先,建立不同散射环境干扰与各光源信号传播距离之间的数学关系,计算各光源信号光时间脉冲序列光子丢失率均值,并对各光源时间脉冲序列进行动态分组;其次,对纠缠光时间脉冲序列进行符合计数,根据光的2阶关联曲线得到各光源各分组下的传播距离;最后,以各光源各分组下的相对误差为依据,动态选择具有较小相对误差的光源进行定位。实验结果表明,所提方法具有更高的定位精度和更强的定位鲁棒性。
  • 图  1  基于自适应光源选择的纠缠光量子定位流程图

    图  2  散射介质中信号光传播模型

    图  3  各光源及目标物体位置图

    图  4  不同天气状况下自由程

    图  5  不同分组对符合计数的影响

    图  6  不同分组下的定位误差

    图  7  不同定位光源数下CDF

    表  1  基于自适应光源选择的纠缠光量子定位算法

     输入:$\left\{ {\bf{CH1} }_{1},{\bf{CH1} }_{2},\cdots ,{\bf{CH1} }_{A}\right\}$,$\left\{{{\bf{CH2}}}_{1},{\bf{CH2}}_{2},\cdots ,{\bf{CH2}}_{A}\right\}$,$ K $,$ B $,$M$,$T$,$ s $,$ Q $,$ {g_\tau } $
     输出:各分组下选择的定位光源$\left\{ { { {\boldsymbol{v} }_1},{ {\boldsymbol{v} }_2}, \cdots ,{ {\boldsymbol{v} }_M} } \right\}$,其中,第.$m$.个分组下定位光源${{\mathbf{v}}_m} = \left( {{v_1},{v_2}, \cdots ,{v_B}} \right)$
     (1) for $q = 1:Q$ do
     (2)  $ {\tau _q} = s \times q $,${\bf{count}}\left( { {\tau _q} } \right) \leftarrow 0$
     (3)   for $i = 1:\dfrac{K}{M}$ do
     (4)    If $\left| { {t_{1i} } + {\tau _q} - {t_{2i} } } \right| \le {g_\tau }$ do
     (5)     ${\rm{count} }\left( { {\tau _q} } \right) = {\rm{count} }\left( { {\tau _q} } \right) + 1$
     (6)    end if
     (7)   end for
     (8) end for
     (9) ${\text{find} }({\bf{count} }(\tau ) = = \max ({\bf{count} }({\tau _q})))$
     (10) 重复式(1)-式(9)$A \cdot M$次,得到$\left\{ { {{\boldsymbol{\tau}} _1},{{\boldsymbol{\tau}} _2}, \cdots ,{{\boldsymbol{\tau}} _M} } \right\}$,${{\boldsymbol{\tau}} _m}{\text{ = } }\left( { {\tau _1},{\tau _2}, \cdots ,{\tau _A} } \right)$
     (11) 计算${{\boldsymbol{\tau}} _m}{\left( a \right)^\prime }{\text{ = } }{{\boldsymbol{\tau}} _m}\left( a \right) - {{\boldsymbol{\tau}} _s}$,${{\boldsymbol{\tau}} _s}{\text{ = } }\min \left( {{\boldsymbol{\tau}} \left( a \right)} \right)$
     (12) 记录各分组下$ B $个误差最小定位光源$\left\{ { { {\boldsymbol{w} }_1},{ {\boldsymbol{w} }_2}, \cdots ,{ {\boldsymbol{w} }_M} } \right\}$,${ {\boldsymbol{w} }_m} = \left( { {w_1},{w_2}, \cdots ,{w_B} } \right)$
     (13) if $ {\tau }_{m}\left({w}_{m}\left(b\right)\right) < {\tau }_{m}\left({w}_{m}\left(b-1\right)\right) $
     (14)   ${ {\boldsymbol{v} }_m}{\text{ = } }{ {\boldsymbol{v} }_m} \cup {w_m}\left( b \right)$
     (15) end if
     (16) 重复式(13)-式(15)$B \cdot M$次,更新各分组定位光源$\left\{ { { {\boldsymbol{v} }_1},{ {\boldsymbol{v} }_2}, \cdots ,{ {\boldsymbol{v} }_M} } \right\}$,${{\mathbf{v}}_m} = \left( {{v_1},{v_2}, \cdots ,{v_B}} \right)$
    下载: 导出CSV

    表  2  实验主要参数

    名称取值
    激光器功率(mW)40
    非线性晶体尺寸(mm3)1×2×20
    温度控制器精度(°C)0.01
    同步与符合模块时间测量范围(ms)≥1
    单光子探测器死时间(ns)≤20
    单光子探测器暗计数(Hz)<500
    单光子探测器饱和计数(MHz)35
    单光子探测器探测效率>60%
    单光子时间分辨率(ps)350
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-03-01
  • 修回日期:  2022-05-26
  • 网络出版日期:  2022-06-17
  • 刊出日期:  2022-09-19

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