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基于原子重力仪的车载静态绝对重力测量

吴彬 周寅 程冰 朱栋 王凯楠 朱欣欣 陈佩军 翁堪兴 杨秋海 林佳宏 张凯军 王河林 林强

基于原子重力仪的车载静态绝对重力测量

吴彬, 周寅, 程冰, 朱栋, 王凯楠, 朱欣欣, 陈佩军, 翁堪兴, 杨秋海, 林佳宏, 张凯军, 王河林, 林强
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  • 目前大多数原子重力仪的装置复杂、体积庞大、环境适应性差, 不能应用于野外进行绝对重力测量, 这限制了原子重力仪的应用领域. 本文利用自研的小型化原子重力仪, 集成了一套车载绝对重力测量系统. 该系统主要由原子重力仪、被动平台隔震系统、位姿平台调平系统、差分GPS测高系统、不间断电源供电系统及车载空调温控系统等组成. 首先, 本文对该测量系统的车载环境适应性进行了评估, 发现在野外40 ℃高温、8°大倾角普通路面的环境下, 该系统仍然能够正常工作; 其次, 介绍了车载绝对重力测量的实验步骤及数据处理方法, 并测量了车头朝向对绝对重力测量的影响. 最后, 在野外平坦路面上进行了重复测线工作, 评估了系统的内符合绝对重力测量精度, 结果约为30 μGal; 在野外大倾角山体路面, 通过测量不同海拔高度点的绝对重力值, 得到了地球的垂直重力梯度值, 约为–231(36) μGal/m. 本文结果为野外绝对重力勘测提供了依据.
      通信作者: 程冰, bingcheng@zjut.edu.cn ; 林强, qlin@zjut.edu.cn
    • 基金项目: 国际级-国家重点研发计划课题(2016YFF0200206, 2017YFC0601602)
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  • 图 1  原子重力仪实验装置的照片

    Fig. 1.  Photo of experimental apparatus of atomic gravimeter

    图 2  重力测量灵敏度评估

    Fig. 2.  Evaluation of the sensitivity for gravity measurement

    图 3  基于原子重力仪的车载绝对重力测量系统示意图

    Fig. 3.  Schematic diagram of the system of absolute gravity measurement on a truck based on atomic gravimeter.

    图 4  野外车载绝对重力测量现场照片

    Fig. 4.  Photos of field measurement of absolute gravity on a truck.

    图 5  车厢内外部测量的温度变化曲线

    Fig. 5.  Curves of temperature changes measured inside and outside of the truck.

    图 6  位姿平台倾斜角度的稳定性测试

    Fig. 6.  Stability test of tilt angles of the posture platform.

    图 7  野外测量路线规划 (a)平坦路面; (b)大倾角路面

    Fig. 7.  Route planning of field gravity measurement: (a) Flat road; (b) slope road.

    图 8  科里奥利效应的修正(红点, 实验室内的测量数据; 红线, 正弦拟合; 黑点, 车载情况下的测量数据; 黑线, 正弦拟合)

    Fig. 8.  Correction of Coriolis effect. Red and black dots represent the experimental data measured in the laboratory and the truck. Red and black lines are the corresponding sinusoidal fitted curves.

    图 9  平坦路面情况下的绝对重力测量结果

    Fig. 9.  Measured resultes of absolute gravity in the case of flat road.

    图 10  倾斜路面情况下的绝对重力测量结果

    Fig. 10.  Measured resultes of absolute gravity in the case of slope road.

  • [1]

    Bouchendira R, Clade P, Guellati-Khelifa S, Nez F, Biraben F 2011 Phys. Rev. Lett. 106 080801

    [2]

    Parker R H, Yu C, Zhong W, Estey B, Müller H 2018 Science 360 191

    [3]

    Rosi G, Sorrentino F, Cacciapuoti L, Prevedelli M, Tino G 2014 Nature 510 518

    [4]

    Dutta I, Savoie D, Fang B, Venon B, Alzar C L G, Geiger R, Landragin A 2016 Phys. Rev. Lett. 116 183003

    [5]

    Gustavson T L, Bouyer P, Kasevich M A 1997 Phys. Rev. Lett. 78 2046

    [6]

    McGuirk J M, Foster G T, Fixler J B, Snadden M J, Kasevich M A 2002 Phys. Rev. A 65 033608

    [7]

    Sorrentino F, Bodart Q, Cacciapuoti L, Lien Y H, Prevedelli M, Rosi G, Salvi L, Tino G M 2014 Phys. Rev. A 89 023607

    [8]

    Peters A, Chung K Y, Chu S 2001 Metrologia 38 25

    [9]

    Peters A, Chung K Y, Chu S 1999 Nature 400 849

    [10]

    Hu Z K, Sun B L, Duan X C, Zhou M K, Chen L L, Zhan S, Zhang Q Z, Luo J 2013 Phys. Rev. A 88 043610

    [11]

    Freier C, Hauth M, Schkolnik V, Leykauf B, Schilling M, Wziontek H, Scherneck H G, Muller J, Peters A 2016 J. Phys. Conf. Ser. 723 012050

    [12]

    Wu X J, Zi F, Dudley J, Bilotta R J, Canoza P, Muller H 2017 Optica 4 1545

    [13]

    Wu B, Wang Z Y, Cheng B, Wang Q Y, Xu A P, Lin Q 2014 Metrologia 51 452

    [14]

    Zhang X W, Zhong J Q, Tang B, Chen X, Zhu L, Huang P W, Wang J, Zhan M S 2018 Appl. Opt. 57 6545

    [15]

    Gillot P, Francis O, Landragin A, Dos Santos F P, Merlet S 2014 Metrologia 51 L15

    [16]

    Huang P W, Tang B, Chen X, Zhong J Q, Xiong Z Y, Zhou L, Wang J, Zhan M S 2019 Metrologia 56 045012

    [17]

    Fu Z J, Wang Q Y, Wang Z Y, Wu B, Cheng B, Lin Q 2019 Chin. Opt. Lett. 17 011204

    [18]

    Wang S K, Zhao Y, Zhuang W, Li T C, Wu S Q, Feng J Y, Li C J 2018 Metrologia 55 360

    [19]

    Menoret V, Vermeulen P, Le Moigne N, Bonvalot S, Bouyer P, Landragin A, Desruelle B 2018 Sci. Rep. 8 12300

    [20]

    Bidel Y, Zahzam N, Blanchard C, Bonnin A, Cadoret M, Bresson A, Rouxel D, Lequentrec-Lalancette M F 2018 Nat. Commun. 9 627

    [21]

    Fu Z J, Wu B, Cheng B, Zhou Y, Weng K X, Zhu D, Wang Z Y, Lin Q 2019 Metrologia 56 025001

    [22]

    Wu X J, Pagel Z, Malek B S, Nguyen T H, Zi F, Scheirer D S, Muller H 2019 Sci. Adv. 5 eaax0800

    [23]

    Mahadeswaraswamy C 2009 Ph. D. Dissertation (California: Stanford University)

    [24]

    Geiger R, Ménoret V, Stern G, Zahzam N, Cheinet P, Battelier B, Villing A, Moron F, Lours M, Bidel Y, Bresson A, Landragin A, Bouyer P 2011 Nat. Commun. 2 474

    [25]

    Barrett B, Antoni-Micollier L, Chichet L, Battelier B, Lévèque T, Landragin A, Bouyer P 2016 Nat. Commun. 7 13786

    [26]

    Becker D, Lachmann M D, Seidel S T, et al. 2018 Nature 562 391

    [27]

    Elliott E R, Krutzik M C, Williams J R, Thompson R J, Aveline D C 2018 NPJ Microgravity 4 7

    [28]

    Wu B, Zhu D, Cheng B, Wu L M, Wang K N, Wang Z Y, Shu Q, Li R, Wang H L, Wang X L, Lin Q 2019 Opt. Express 27 11252

    [29]