FR2231975A1 - - Google Patents

Info

Publication number
FR2231975A1
FR2231975A1 FR7419119A FR7419119A FR2231975A1 FR 2231975 A1 FR2231975 A1 FR 2231975A1 FR 7419119 A FR7419119 A FR 7419119A FR 7419119 A FR7419119 A FR 7419119A FR 2231975 A1 FR2231975 A1 FR 2231975A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7419119A
Other languages
French (fr)
Other versions
FR2231975B1 (de
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stiftelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan
Original Assignee
Stiftelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan
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 Stiftelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan filed Critical Stiftelsen Institutet for Mikrovagsteknik Vid Tekniska Hogskolan
Publication of FR2231975A1 publication Critical patent/FR2231975A1/fr
Application granted granted Critical
Publication of FR2231975B1 publication Critical patent/FR2231975B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/18Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
    • 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
    • G01S13/00Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/58Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S13/60Velocity 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
    • G01S13/605Velocity 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 using a pattern, backscattered from the ground, to determine speed or drift by measuring the time required to cover a fixed distance
    • 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
    • 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
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/50Systems of measurement based on relative movement of target

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
FR7419119A 1973-06-01 1974-05-31 Expired FR2231975B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7307801A SE371015B (de) 1973-06-01 1973-06-01

Publications (2)

Publication Number Publication Date
FR2231975A1 true FR2231975A1 (de) 1974-12-27
FR2231975B1 FR2231975B1 (de) 1979-05-11

Family

ID=20317657

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419119A Expired FR2231975B1 (de) 1973-06-01 1974-05-31

Country Status (7)

Country Link
JP (1) JPS5023269A (de)
CH (1) CH595641A5 (de)
DE (1) DE2425919C2 (de)
FR (1) FR2231975B1 (de)
GB (1) GB1478835A (de)
IT (1) IT1020627B (de)
SE (1) SE371015B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH613525A5 (en) * 1976-02-06 1979-09-28 Hasler Ag Device for determining the mutual temporal displacement of two approximately identical, time-displaced stochastic signals
DE2723584A1 (de) * 1977-05-25 1978-11-30 Mitec Moderne Ind Gmbh Geschwindigkeitsmessgeraet
GB2129641B (en) * 1982-11-09 1986-10-08 Marconi Co Ltd A passive target detector
US7620476B2 (en) 2005-02-18 2009-11-17 Irobot Corporation Autonomous surface cleaning robot for dry cleaning
ES2413862T3 (es) 2005-12-02 2013-07-17 Irobot Corporation Robot modular
DE102008008499B4 (de) 2008-02-11 2009-12-31 Siemens Aktiengesellschaft Verfahren zur rechnergestützten Berechnung der Bewegung eines Objekts aus Sensordaten
GB2516786B (en) * 2012-05-03 2016-01-27 Los Alamos Nat Security Llc Acoustic camera
CN111965379A (zh) * 2020-08-19 2020-11-20 贵州航天林泉电机有限公司 一种基于电位计式传感器的速度信号滤波系统和滤波方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334254B (de) * 1968-12-10 1971-04-19 I Andermo
SE348055B (de) * 1970-06-09 1972-08-21 Stiftelsen Inst Mikrovags

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1478835A (en) 1977-07-06
DE2425919A1 (de) 1974-12-19
CH595641A5 (de) 1978-02-15
JPS5023269A (de) 1975-03-12
DE2425919C2 (de) 1986-05-28
SE371015B (de) 1974-11-04
FR2231975B1 (de) 1979-05-11
IT1020627B (it) 1977-12-30

Similar Documents

Publication Publication Date Title
AR201758A1 (de)
AU476761B2 (de)
AU465372B2 (de)
AR201235Q (de)
AR201231Q (de)
AU474593B2 (de)
AU474511B2 (de)
AU474838B2 (de)
AU465453B2 (de)
AU465434B2 (de)
AU471343B2 (de)
AU450229B2 (de)
AU476714B2 (de)
AR201229Q (de)
AU472848B2 (de)
AU466283B2 (de)
AU476696B2 (de)
AR199451A1 (de)
AU477823B2 (de)
AU471461B2 (de)
AR201432A1 (de)
AU447540B2 (de)
AU476873B1 (de)
AR195948A1 (de)
AR210729A1 (de)

Legal Events

Date Code Title Description
ST Notification of lapse