FR2303296A1 - Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires - Google Patents

Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires

Info

Publication number
FR2303296A1
FR2303296A1 FR7605370A FR7605370A FR2303296A1 FR 2303296 A1 FR2303296 A1 FR 2303296A1 FR 7605370 A FR7605370 A FR 7605370A FR 7605370 A FR7605370 A FR 7605370A FR 2303296 A1 FR2303296 A1 FR 2303296A1
Authority
FR
France
Prior art keywords
signals
random intervals
haave
durations
amplitudes
Prior art date
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
FR7605370A
Other languages
English (en)
French (fr)
Other versions
FR2303296B1 (it
Inventor
Hans-Joachim Dr Pfeifer
Hans-Jurgen Dr Schafer
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.)
Institut Franco Allemand de Recherches de Saint Louis ISL
Original Assignee
Institut Franco Allemand de Recherches de Saint Louis ISL
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 Institut Franco Allemand de Recherches de Saint Louis ISL filed Critical Institut Franco Allemand de Recherches de Saint Louis ISL
Publication of FR2303296A1 publication Critical patent/FR2303296A1/fr
Application granted granted Critical
Publication of FR2303296B1 publication Critical patent/FR2303296B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/26—Measuring 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 optical wave
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
FR7605370A 1975-03-05 1976-02-26 Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires Granted FR2303296A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752509595 DE2509595A1 (de) 1975-03-05 1975-03-05 Verfahren zur auswertung periodischer elektronischer signale unterschiedlicher dauer, frequenz, amplitude und unterschiedlicher folge

Publications (2)

Publication Number Publication Date
FR2303296A1 true FR2303296A1 (fr) 1976-10-01
FR2303296B1 FR2303296B1 (it) 1979-08-10

Family

ID=5940534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605370A Granted FR2303296A1 (fr) 1975-03-05 1976-02-26 Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires

Country Status (2)

Country Link
DE (1) DE2509595A1 (it)
FR (1) FR2303296A1 (it)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394811A1 (fr) * 1977-06-15 1979-01-12 Krupp Gmbh Dispositif de mesure d'intervalles de temps entre impulsions
FR2606157A1 (fr) * 1986-10-31 1988-05-06 Onera (Off Nat Aerospatiale) Systeme de traitement de signaux noyes dans un bruit et son application en velocimetrie laser a franges
EP0387415A1 (de) * 1989-03-17 1990-09-19 Deutsch-Französisches Forschungsinstitut Saint-Louis Verfahren und Einrichtung zur Bestimmung der mittleren Signalfrequenz einer statistischen Folge kurzer Schwingungspakete
US5116261A (en) * 1990-10-05 1992-05-26 Mitac International Corp. Auxiliary computer panel to cover a disk drive access side of a computer casing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107490409B (zh) * 2017-08-09 2020-07-21 辽宁航宇星物联仪表科技有限公司 一种户用超声波水表防错波改进方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2394811A1 (fr) * 1977-06-15 1979-01-12 Krupp Gmbh Dispositif de mesure d'intervalles de temps entre impulsions
FR2606157A1 (fr) * 1986-10-31 1988-05-06 Onera (Off Nat Aerospatiale) Systeme de traitement de signaux noyes dans un bruit et son application en velocimetrie laser a franges
EP0268519A1 (en) * 1986-10-31 1988-05-25 Office National D'etudes Et De Recherches Aerospatiales(O.N.E.R.A.) System of processing signals drowned in a noise and its application to fringe laser velocimetry
EP0387415A1 (de) * 1989-03-17 1990-09-19 Deutsch-Französisches Forschungsinstitut Saint-Louis Verfahren und Einrichtung zur Bestimmung der mittleren Signalfrequenz einer statistischen Folge kurzer Schwingungspakete
US5116261A (en) * 1990-10-05 1992-05-26 Mitac International Corp. Auxiliary computer panel to cover a disk drive access side of a computer casing

Also Published As

Publication number Publication date
FR2303296B1 (it) 1979-08-10
DE2509595A1 (de) 1976-09-16

Similar Documents

Publication Publication Date Title
US3437834A (en) Circuit for detecting time of occurrence of signals having an amplitude which exceeds a predetermined level
FR2303296A1 (fr) Dispositif pour l'exploitation de signaux periodiques de duree limitee se succedant a intervalles aleatoires
GB1465750A (en) Method and apparatus for finding the centre amplitude of each pulse of a train of random amplitude asymmeteric pulses
US4652833A (en) Comparator with noise suppression
ES444280A1 (es) Procedimiento para la indicacion digital de valores de medi-cion y verificacion electricos.
AU567581B2 (en) Pulse generator
SE7602558L (sv) Signalbehandlingskrets
EP0027343A1 (en) A voice detector
JPS5764170A (en) Zero cross detecting circuit
JPS5477003A (en) Coincidence output circuit system
JPS5752815A (en) Processing circuit for ultrasonic wave signal
SU739397A1 (ru) Устройство дл ультразвукового контрол изделий
JPS5764127A (en) Loose parts monitor
JPS5392155A (en) Method of detecting phase angle standard for phase pulse signal receiver
JPS561349A (en) Measuring method of propagation time of sound wave and finding position
JPS57122372A (en) Method and apparatus for receiving or transmitting ultrasonic wave
SU469082A1 (ru) Автоматический сигнализатор дефектов
SU168385A1 (ru) Способ сн ти зависимости длительности перемагничивани сердечника от приложенного пол
SU637654A1 (ru) Электромагнитный дефектоскоп
GB1535513A (en) Periodic waveform voltage level detecting apparatus
SU1273746A1 (ru) Измеритель скорости распространени волн удара
SU1187283A1 (ru) Устройство для обнаружения контактных помех
FR2288367A1 (fr) Generateur d'onde ultra-sonore
JPS55137745A (en) Detection system of frame synchronizing signal
JPS54149672A (en) Measuring apparatus of ultrasonic wave type

Legal Events

Date Code Title Description
ST Notification of lapse