Acta Photonica Sinica, Volume. 49, Issue 2, 0228001(2020)

kHz Repetition Rate Mobile Laser Ranging System with High Precision and Measuring Results Analysis in Western China

Xin LI1...2,3, Wei ZHU1,3,*, Qing-shan LUO1,2,3, Tong ZOU1,2,3, and Tang-yong GUO13 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Earthquake Geodesy, Institute of Seismology, China Earthquake Administration, Wuhan 430071, China
  • 2Institute of Disaster Prevention, Sanhe, Hebei 065201, China
  • 3Hubei Key Laboratory of Earthquake Early Warning, Hubei Earthquake Agency, Wuhan 430071, China
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    Figures & Tables(15)
    TROS1000外形尺寸Overall dimension diagram of TROS1000
    TROS1000运输状态Transportation diagram of TROS1000
    TROS1000工作状态Operation diagram of TROS1000
    TROS1000在南山观测站架设图Setup diagram of TROS1000 in Nanshan Station
    RG-L-532激光器光路结构Optical path diagram of RG-L-532 Laser
    kHz激光测距脉冲时序Time diagram of kHz laser ranging
    事件计数器原理Princple diagram of event timer
    距离门实现原理Princple diagram of range gate generator
    kHz激光测距Ajisai卫星观测数据Diagram of Ajisai data in kHz SLR
    kHz激光测距Lageos1卫星数据预处理Preprocessing diagram of Lageos1 data in kHz SLR
    • Table 1. Specifications of RG-L-532 Laser

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      Table 1. Specifications of RG-L-532 Laser

      ItemSpecification
      Repetition rate/kHz0.01~10
      Wave length/nm532
      Pulsewidth/ps10~15
      Pulseenergy/mJ3
      BeammodeTEM00
      Beamquality factor/M2< 1.3
      Long term stability±3%
      Beampointing stability/μrad< 20
      Beamdivergence/mrad0.6
      Resonatorcavity length/mm1 900
      Beamdiameter/mm1.3
    • Table 2. Preprocessing result of kHz SLR

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      Table 2. Preprocessing result of kHz SLR

      UTC timeSatelliteOrbit altitude/kmValid echoRMS precision/mmArc length/sValid echo rate/%
      2019-09-19 13:59Ajisai1 48517 369921613.5
      2019-09-19 14:04Glonass12219 140954196421.3
      2019-09-19 15:18Jason21 33613 562936622.1
      2019-09-19 16:01Ajisai1 48515 3771423421.8
      2019-09-19 16:06Jason31 3368 6211016829.7
      2019-09-19 16:11Lares1 4501 934111807.2
      2019-09-19 16:15Glonass12919 1403 244165825.8
      2019-09-19 16:49Lageos15 85036 670988811.4
      2019-09-19 17:12Jason21 3363 2931016814.8
    • Table 3. Compare with TROS-I and TROS1000

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      Table 3. Compare with TROS-I and TROS1000

      TROS-ITROS1000
      Observation timeNightDay and night
      Track methodAnalog digital hybridDigital
      Laser typeSolid-state dyeDiode
      Repetition rate/Hz1~101 000
      Pulsewidth/ps30~5010~15
      Receivingaperture/cm38100
      Communication portSerialportNetwork
    • Table 4. Preprocessing result of 10 Hz SLR

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      Table 4. Preprocessing result of 10 Hz SLR

      UTC timeSatelliteOrbit altitude/kmValid echoRMS precision/mmArc length/sValid echo rate/%
      2003-05-15 14:11Topex1 3505114024551
      2003-05-15 14:28Ajisai1 4856005041856
      2003-05-15 15:11Lageos25 625753865643
      2003-05-15 15:23BEC9274603224255
      2003-05-15 16:00Topex1 3502483724751
      2003-05-15 16:24Ajisai1 4857343847657
      2003-05-15 16:57GFO18002243736356
      2003-05-15 17:13BEC9272712729755
      2003-05-15 18:27Ajisai1 4858104041557
      2003-05-15 18:57Lageos25 625161301 26445
      2003-05-15 20:31Ajisai1 4853713559758
    • Table 5. Comparison of two laser ranging results in unit time

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      Table 5. Comparison of two laser ranging results in unit time

      UTC timeSatelliteRepetition rate/HzValid echoArc length/sValid echo per second
      2003-05-15 14:28Ajisai106004181.44
      2003-05-15 15:11Lageos210756560.11
      2003-05-15 16:24Ajisai107344761.54
      2003-05-15 18:27Ajisai108104151.95
      2003-05-15 18:57Lageos2101611 2640.13
      2003-05-15 20:31Ajisai103715970.62
      2019-09-19 13:59Ajisai1 00017 36921680.41
      2019-09-19 16:01Ajisai1 00015 37723465.71
      2019-09-19 16:49Lageos11 00036 67088841.30
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    Xin LI, Wei ZHU, Qing-shan LUO, Tong ZOU, Tang-yong GUO. kHz Repetition Rate Mobile Laser Ranging System with High Precision and Measuring Results Analysis in Western China[J]. Acta Photonica Sinica, 2020, 49(2): 0228001

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    Paper Information

    Received: Oct. 23, 2019

    Accepted: Nov. 27, 2019

    Published Online: Mar. 19, 2020

    The Author Email: ZHU Wei (15972138235@163.com)

    DOI:10.3788/gzxb20204902.0228001

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