FR81503E - Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances - Google Patents

Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances

Info

Publication number
FR81503E
FR81503E FR871820A FR871820A FR81503E FR 81503 E FR81503 E FR 81503E FR 871820 A FR871820 A FR 871820A FR 871820 A FR871820 A FR 871820A FR 81503 E FR81503 E FR 81503E
Authority
FR
France
Prior art keywords
onset
pulses
distances
waves
determination
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.)
Expired
Application number
FR871820A
Other languages
French (fr)
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.)
Bendix Corp
Original Assignee
Bendix Corp
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
Priority claimed from US52680A external-priority patent/US3165739A/en
Application filed by Bendix Corp filed Critical Bendix Corp
Priority to FR871820A priority Critical patent/FR81503E/en
Application granted granted Critical
Publication of FR81503E publication Critical patent/FR81503E/en
Expired legal-status Critical Current

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
    • 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
    • G01S13/00—Systems 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/14—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
FR871820A 1960-08-29 1961-08-29 Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances Expired FR81503E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR871820A FR81503E (en) 1960-08-29 1961-08-29 Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52680A US3165739A (en) 1960-08-29 1960-08-29 Pulse type radar time-measuring system
FR871820A FR81503E (en) 1960-08-29 1961-08-29 Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances

Publications (1)

Publication Number Publication Date
FR81503E true FR81503E (en) 1963-10-04

Family

ID=26192063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871820A Expired FR81503E (en) 1960-08-29 1961-08-29 Method of measuring the time interval separating the onset of two waves or pulses and its application to the determination of directions and distances

Country Status (1)

Country Link
FR (1) FR81503E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605113A1 (en) * 1986-10-01 1988-04-15 Commissariat Energie Atomique Ultrasound echometer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605113A1 (en) * 1986-10-01 1988-04-15 Commissariat Energie Atomique Ultrasound echometer

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