WO2008099788A1 - 測距方法及びレーザ測距装置 - Google Patents

測距方法及びレーザ測距装置 Download PDF

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Publication number
WO2008099788A1
WO2008099788A1 PCT/JP2008/052182 JP2008052182W WO2008099788A1 WO 2008099788 A1 WO2008099788 A1 WO 2008099788A1 JP 2008052182 W JP2008052182 W JP 2008052182W WO 2008099788 A1 WO2008099788 A1 WO 2008099788A1
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WO
WIPO (PCT)
Prior art keywords
distance measuring
laser
distance
measuring method
measuring device
Prior art date
Application number
PCT/JP2008/052182
Other languages
English (en)
French (fr)
Inventor
Naoyuki Koyama
Original Assignee
Naoyuki Koyama
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2007156403A external-priority patent/JP2010112706A/ja
Priority claimed from JP2007212321A external-priority patent/JP2010112707A/ja
Application filed by Naoyuki Koyama filed Critical Naoyuki Koyama
Publication of WO2008099788A1 publication Critical patent/WO2008099788A1/ja

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

［課題］レーザ光の特徴である可干渉性を利用した高精度な測距方法及びその測距方法を行うレーザ測距装置を提供することを目的とする。 ［解決手段］本発明に係る測距方法及びレーザ測距装置は、先ず、被測定物６までの距離に近似した仮距離を取得する。次に、参照光もしくは測定光の光路長を変化させながら波長の異なる複数のレーザ光を順次もしくは同時に照射して明暗データを取得する。そして、取得された明暗データに仮距離に基づく距離情報を関連付けることで、明暗データの位置情報と前記距離情報とから被測定物６までの距離を求める。これにより、レーザ光の可干渉性を利用した高精度な測距が可能となる。
PCT/JP2008/052182 2007-02-13 2008-02-08 測距方法及びレーザ測距装置 WO2008099788A1 (ja)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-062554 2007-02-13
JP2007062554 2007-02-13
JP2007156403A JP2010112706A (ja) 2007-06-13 2007-06-13 レーザーによる測距方法
JP2007-156403 2007-06-13
JP2007212321A JP2010112707A (ja) 2007-08-16 2007-08-16 レーザーによる測距方法
JP2007-212321 2007-08-16

Publications (1)

Publication Number Publication Date
WO2008099788A1 true WO2008099788A1 (ja) 2008-08-21

Family

ID=39690021

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052182 WO2008099788A1 (ja) 2007-02-13 2008-02-08 測距方法及びレーザ測距装置

Country Status (1)

Country Link
WO (1) WO2008099788A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070656A1 (ja) * 2009-12-09 2011-06-16 Koyama Naoyuki 測距方法及びレーザ測距装置
JP2012078269A (ja) * 2010-10-05 2012-04-19 Naoyuki Furuyama 測距方法及びレーザ測距装置
WO2012132811A1 (ja) * 2011-03-29 2012-10-04 Koyama Naoyuki 測距方法及びレーザ測距装置
JP2012247324A (ja) * 2011-05-30 2012-12-13 Naoyuki Furuyama 測距方法及びレーザ測距装置
CN104076367A (zh) * 2014-07-14 2014-10-01 北京航空航天大学 一种相位式激光测距系统和方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184505U (ja) * 1984-11-06 1986-06-04
JPS63309804A (ja) * 1987-06-11 1988-12-16 Tokyo Seimitsu Co Ltd レ−ザ干渉測定方法
JPH10103918A (ja) * 1996-09-27 1998-04-24 Tokyo Seimitsu Co Ltd レーザ測長器
JP2003156310A (ja) * 2001-11-19 2003-05-30 Shiyuuko Yokoyama ヘテロダイン干渉を用いた距離計用の光学計測装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6184505U (ja) * 1984-11-06 1986-06-04
JPS63309804A (ja) * 1987-06-11 1988-12-16 Tokyo Seimitsu Co Ltd レ−ザ干渉測定方法
JPH10103918A (ja) * 1996-09-27 1998-04-24 Tokyo Seimitsu Co Ltd レーザ測長器
JP2003156310A (ja) * 2001-11-19 2003-05-30 Shiyuuko Yokoyama ヘテロダイン干渉を用いた距離計用の光学計測装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011070656A1 (ja) * 2009-12-09 2011-06-16 Koyama Naoyuki 測距方法及びレーザ測距装置
JP2012078269A (ja) * 2010-10-05 2012-04-19 Naoyuki Furuyama 測距方法及びレーザ測距装置
WO2012132811A1 (ja) * 2011-03-29 2012-10-04 Koyama Naoyuki 測距方法及びレーザ測距装置
JP5414083B2 (ja) * 2011-03-29 2014-02-12 直行 古山 測距方法及びレーザ測距装置
JP2012247324A (ja) * 2011-05-30 2012-12-13 Naoyuki Furuyama 測距方法及びレーザ測距装置
CN104076367A (zh) * 2014-07-14 2014-10-01 北京航空航天大学 一种相位式激光测距系统和方法

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