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Janus-configured all fibre laser Doppler velocimetry.

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Title: Janus-configured all fibre laser Doppler velocimetry.
Authors: Zhe Fan1 fanzhe@nim.ac.cn, Qiao Sun1, Lei Du1, Jie Bai1
Source: IET Optoelectronics (Wiley-Blackwell). 2018, Vol. 12 Issue 1, p50-54. 5p.
Subjects: Laser Doppler velocimetry, Doppler effect, Speed measurements, Automotive navigation systems, Interferometers
Abstract: Laser Doppler velocimetry (LDV) is a high precision instrument based on the Doppler effect of a laser, and it would greatly improve the performance of vehicle navigation and vehicle velocity metrology for its advantages. To reduce the measurement error produced by a jolt of a vehicle, a novel Janus-configured all fibre LDV is designed. The system comprising two independent interferometers is connected by 1.55 μm single mode fibre devices. Road experiments are carried out to compare the performances of the microwave radar, single beam LDV and Janus-configured LDV. The Janus-configured LDV is reliable to measure the velocity of the vehicle and its root-mean-square error is 0.0222 m/s, while it is 0.0284 m/s for the single beam LDV. The results validate that the designed LDV can achieve improved performance of vehicle velocity measurement. [ABSTRACT FROM AUTHOR]
Copyright of IET Optoelectronics (Wiley-Blackwell) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 127265841
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
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  Data: Janus-configured all fibre laser Doppler velocimetry.
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  Data: <searchLink fieldCode="AR" term="%22Zhe+Fan%22">Zhe Fan</searchLink><relatesTo>1</relatesTo><i> fanzhe@nim.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Qiao+Sun%22">Qiao Sun</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lei+Du%22">Lei Du</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Jie+Bai%22">Jie Bai</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22IET+Optoelectronics+%28Wiley-Blackwell%29%22">IET Optoelectronics (Wiley-Blackwell)</searchLink>. 2018, Vol. 12 Issue 1, p50-54. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Laser+Doppler+velocimetry%22">Laser Doppler velocimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Doppler+effect%22">Doppler effect</searchLink><br /><searchLink fieldCode="DE" term="%22Speed+measurements%22">Speed measurements</searchLink><br /><searchLink fieldCode="DE" term="%22Automotive+navigation+systems%22">Automotive navigation systems</searchLink><br /><searchLink fieldCode="DE" term="%22Interferometers%22">Interferometers</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Laser Doppler velocimetry (LDV) is a high precision instrument based on the Doppler effect of a laser, and it would greatly improve the performance of vehicle navigation and vehicle velocity metrology for its advantages. To reduce the measurement error produced by a jolt of a vehicle, a novel Janus-configured all fibre LDV is designed. The system comprising two independent interferometers is connected by 1.55 μm single mode fibre devices. Road experiments are carried out to compare the performances of the microwave radar, single beam LDV and Janus-configured LDV. The Janus-configured LDV is reliable to measure the velocity of the vehicle and its root-mean-square error is 0.0222 m/s, while it is 0.0284 m/s for the single beam LDV. The results validate that the designed LDV can achieve improved performance of vehicle velocity measurement. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of IET Optoelectronics (Wiley-Blackwell) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1049/iet-opt.2017.0047
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 5
        StartPage: 50
    Subjects:
      – SubjectFull: Laser Doppler velocimetry
        Type: general
      – SubjectFull: Doppler effect
        Type: general
      – SubjectFull: Speed measurements
        Type: general
      – SubjectFull: Automotive navigation systems
        Type: general
      – SubjectFull: Interferometers
        Type: general
    Titles:
      – TitleFull: Janus-configured all fibre laser Doppler velocimetry.
        Type: main
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            NameFull: Zhe Fan
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            NameFull: Qiao Sun
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            NameFull: Lei Du
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            NameFull: Jie Bai
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            – D: 01
              M: 01
              Text: 2018
              Type: published
              Y: 2018
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              Value: 12
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            – TitleFull: IET Optoelectronics (Wiley-Blackwell)
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