DK159338B - Fremgangsmaade til at skelne deplacerende maal fra en vandoverflade - Google Patents

Fremgangsmaade til at skelne deplacerende maal fra en vandoverflade Download PDF

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Publication number
DK159338B
DK159338B DK422078A DK422078A DK159338B DK 159338 B DK159338 B DK 159338B DK 422078 A DK422078 A DK 422078A DK 422078 A DK422078 A DK 422078A DK 159338 B DK159338 B DK 159338B
Authority
DK
Denmark
Prior art keywords
distance
target
measured
difference
water surface
Prior art date
Application number
DK422078A
Other languages
Danish (da)
English (en)
Other versions
DK422078A (da
Inventor
Hans Peder Loid
Per-Arne Resjoe
Original Assignee
Foerenade Fabriksverken
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 Foerenade Fabriksverken filed Critical Foerenade Fabriksverken
Publication of DK422078A publication Critical patent/DK422078A/da
Publication of DK159338B publication Critical patent/DK159338B/da

Links

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/101—Particularities of the measurement of distance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C13/00—Proximity fuzes; Fuzes for remote detonation
    • F42C13/06—Proximity fuzes; Fuzes for remote detonation operated by sound waves
    • 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
    • G01S7/483—Details of pulse systems
    • G01S7/486—Receivers
    • G01S7/487—Extracting wanted echo signals, e.g. pulse detection
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Engineering & Computer Science (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Sealing Devices (AREA)
  • Braking Arrangements (AREA)
DK422078A 1977-09-27 1978-09-22 Fremgangsmaade til at skelne deplacerende maal fra en vandoverflade DK159338B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7710781A SE419380B (sv) 1977-09-27 1977-09-27 Sett att serskilja deplacerande mal fran en vattenyta
SE7710781 1977-09-27

Publications (2)

Publication Number Publication Date
DK422078A DK422078A (da) 1979-03-28
DK159338B true DK159338B (da) 1990-10-01

Family

ID=20332378

Family Applications (1)

Application Number Title Priority Date Filing Date
DK422078A DK159338B (da) 1977-09-27 1978-09-22 Fremgangsmaade til at skelne deplacerende maal fra en vandoverflade

Country Status (9)

Country Link
US (1) US4322826A (it)
DE (1) DE2842051A1 (it)
DK (1) DK159338B (it)
FR (1) FR2404231B1 (it)
GB (1) GB2005834B (it)
IT (1) IT1192613B (it)
NL (1) NL7809784A (it)
NO (1) NO146923C (it)
SE (1) SE419380B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663428B1 (fr) * 1990-06-15 1992-09-11 Thomson Csf Dispositif de detection magnetique pour mines a orin ferromagnetiques.
AU125619S (en) 1994-08-09 1996-01-16 Boots Co Plc Liquid dispenser
US6927993B2 (en) * 2003-08-14 2005-08-09 Silicon Storage Technology, Inc. Multi-bit ROM cell, for storing on of N>4 possible states and having bi-directional read, an array of such cells
IL194029A (en) 2008-09-11 2013-11-28 Israel Aerospace Ind Ltd A system and method for identifying a remote marine target

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB801461A (en) * 1954-06-15 1958-09-17 Clevite Corp Pulse-echo system
DE978020C (de) * 1965-08-27 1975-05-07 Fahrentholz, Siegfried, Dr.phil.nat., 2300 Kiel Akustisches Abstandszündgerät für Grund- und Ankertauminen und Torpedos
US3380018A (en) * 1967-03-20 1968-04-23 Navy Usa Digital density threshold for sonar
DE1933923C1 (de) * 1969-07-04 1979-11-29 Fritz Werner Ind Ausruestung Annaeherungszuender
US3743419A (en) * 1969-07-09 1973-07-03 Bofors Ab Ranging system
ZA695819B (en) * 1969-08-14 1971-02-24 Anglo Amer Corp South Africa Apparatus for minimising the effect on oceanographic records of adverse swell
US4245332A (en) * 1979-04-12 1981-01-13 Honeywell Inc. Receiver circuit for an echo-sounding system

Also Published As

Publication number Publication date
GB2005834A (en) 1979-04-25
GB2005834B (en) 1982-02-24
NO783174L (no) 1979-03-28
FR2404231B1 (fr) 1985-06-21
NO146923C (no) 1982-12-29
US4322826A (en) 1982-03-30
IT7851258A0 (it) 1978-09-26
DE2842051A1 (de) 1979-07-12
NL7809784A (nl) 1979-03-29
DE2842051C2 (it) 1990-03-08
SE419380B (sv) 1981-07-27
SE7710781L (sv) 1979-03-28
NO146923B (no) 1982-09-20
FR2404231A1 (fr) 1979-04-20
IT1192613B (it) 1988-04-27
DK422078A (da) 1979-03-28

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