ATE92640T1 - Frequenzmoduliertes laser-radar. - Google Patents

Frequenzmoduliertes laser-radar.

Info

Publication number
ATE92640T1
ATE92640T1 AT85301845T AT85301845T ATE92640T1 AT E92640 T1 ATE92640 T1 AT E92640T1 AT 85301845 T AT85301845 T AT 85301845T AT 85301845 T AT85301845 T AT 85301845T AT E92640 T1 ATE92640 T1 AT E92640T1
Authority
AT
Austria
Prior art keywords
ranging
interferometer
target
path
phase difference
Prior art date
Application number
AT85301845T
Other languages
English (en)
Inventor
Francis Eugene Goodwin
Original Assignee
Digital Signal Corp
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
Application filed by Digital Signal Corp filed Critical Digital Signal Corp
Application granted granted Critical
Publication of ATE92640T1 publication Critical patent/ATE92640T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2441—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using interferometry
    • 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
    • G01S17/34—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/497—Means for monitoring or calibrating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/60—Reference interferometer, i.e. additional interferometer not interacting with object

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
AT85301845T 1984-03-16 1985-03-15 Frequenzmoduliertes laser-radar. ATE92640T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/590,350 US4830486A (en) 1984-03-16 1984-03-16 Frequency modulated lasar radar
EP85301845A EP0164181B1 (de) 1984-03-16 1985-03-15 Frequenzmoduliertes Laser-Radar

Publications (1)

Publication Number Publication Date
ATE92640T1 true ATE92640T1 (de) 1993-08-15

Family

ID=24361895

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85301845T ATE92640T1 (de) 1984-03-16 1985-03-15 Frequenzmoduliertes laser-radar.

Country Status (5)

Country Link
US (1) US4830486A (de)
EP (1) EP0164181B1 (de)
JP (1) JP2566907B2 (de)
AT (1) ATE92640T1 (de)
DE (1) DE3587492T2 (de)

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Also Published As

Publication number Publication date
JPS60233581A (ja) 1985-11-20
US4830486A (en) 1989-05-16
JP2566907B2 (ja) 1996-12-25
EP0164181A2 (de) 1985-12-11
DE3587492T2 (de) 1994-03-17
DE3587492D1 (de) 1993-09-09
EP0164181B1 (de) 1993-08-04
EP0164181A3 (en) 1988-10-26

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