SE8002077L - Metanordning for bestemning av jord-refraktion - Google Patents

Metanordning for bestemning av jord-refraktion

Info

Publication number
SE8002077L
SE8002077L SE8002077A SE8002077A SE8002077L SE 8002077 L SE8002077 L SE 8002077L SE 8002077 A SE8002077 A SE 8002077A SE 8002077 A SE8002077 A SE 8002077A SE 8002077 L SE8002077 L SE 8002077L
Authority
SE
Sweden
Prior art keywords
refraction
geodesic
measuring
sound
time difference
Prior art date
Application number
SE8002077A
Other languages
English (en)
Swedish (sv)
Inventor
W Meyl
H Stegemann
P Hentschel
Original Assignee
Zeiss Jena Veb Carl
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 Zeiss Jena Veb Carl filed Critical Zeiss Jena Veb Carl
Publication of SE8002077L publication Critical patent/SE8002077L/

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE8002077A 1979-03-19 1980-03-17 Metanordning for bestemning av jord-refraktion SE8002077L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD21164079A DD142384A1 (de) 1979-03-19 1979-03-19 Messanordnung zur bestimmung der terrestrischen refraktion

Publications (1)

Publication Number Publication Date
SE8002077L true SE8002077L (sv) 1980-09-20

Family

ID=5517209

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8002077A SE8002077L (sv) 1979-03-19 1980-03-17 Metanordning for bestemning av jord-refraktion

Country Status (4)

Country Link
CH (1) CH647078A5 ( )
DD (1) DD142384A1 ( )
DE (1) DE3010058A1 ( )
SE (1) SE8002077L ( )

Also Published As

Publication number Publication date
CH647078A5 (en) 1984-12-28
DD142384A1 (de) 1980-06-18
DE3010058A1 (de) 1980-10-02

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