NO133730B - - Google Patents

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Info

Publication number
NO133730B
NO133730B NO2559/71A NO255971A NO133730B NO 133730 B NO133730 B NO 133730B NO 2559/71 A NO2559/71 A NO 2559/71A NO 255971 A NO255971 A NO 255971A NO 133730 B NO133730 B NO 133730B
Authority
NO
Norway
Prior art keywords
signals
transmission
duration
signal
periods
Prior art date
Application number
NO2559/71A
Other languages
English (en)
Norwegian (no)
Other versions
NO133730C (no
Inventor
R Delignieres
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Publication of NO133730B publication Critical patent/NO133730B/no
Publication of NO133730C publication Critical patent/NO133730C/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/60Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
NO2559/71A 1970-08-13 1971-07-05 Fremgangsmaate for bestemmelse av den veilengde som gjennomloepes av et fartoey i vann, samt apparat for utfoerelse av fremgangsmaaten. NO133730C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707029970A FR2101056B1 (de) 1970-08-13 1970-08-13

Publications (2)

Publication Number Publication Date
NO133730B true NO133730B (de) 1976-03-08
NO133730C NO133730C (no) 1991-03-25

Family

ID=9060209

Family Applications (1)

Application Number Title Priority Date Filing Date
NO2559/71A NO133730C (no) 1970-08-13 1971-07-05 Fremgangsmaate for bestemmelse av den veilengde som gjennomloepes av et fartoey i vann, samt apparat for utfoerelse av fremgangsmaaten.

Country Status (7)

Country Link
US (1) US3781774A (de)
DE (1) DE2140257C3 (de)
FR (1) FR2101056B1 (de)
GB (1) GB1334585A (de)
NL (1) NL179762C (de)
NO (1) NO133730C (de)
SU (1) SU552037A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2317666A1 (fr) * 1975-07-07 1977-02-04 Inst Francais Du Petrole Dispositif emetteur-recepteur d'ondes acoustiques
TWI736310B (zh) * 2019-08-01 2021-08-11 謝志輝 汽車落水逃生系統及其超音波構件
FR3119475B1 (fr) 2021-02-04 2022-12-16 Psa Automobiles Sa Procédé et dispositif de communication entre un véhicule et un dispositif de communication mobile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099832A (en) * 1959-11-04 1963-07-30 Raytheon Co Doppler navigation system
US3496524A (en) * 1968-11-18 1970-02-17 Singer General Precision Doppler sonar navigation system compensated for sound velocity variations

Also Published As

Publication number Publication date
DE2140257B2 (de) 1981-01-22
DE2140257A1 (de) 1972-02-17
GB1334585A (en) 1973-10-24
FR2101056B1 (de) 1974-03-01
NL179762B (nl) 1986-06-02
US3781774A (en) 1973-12-25
NL7110447A (de) 1972-02-15
DE2140257C3 (de) 1981-10-08
SU552037A3 (ru) 1977-03-25
FR2101056A1 (de) 1972-03-31
NL179762C (nl) 1986-11-03
NO133730C (no) 1991-03-25

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