GB1301579A - - Google Patents

Info

Publication number
GB1301579A
GB1301579A GB1301579DA GB1301579A GB 1301579 A GB1301579 A GB 1301579A GB 1301579D A GB1301579D A GB 1301579DA GB 1301579 A GB1301579 A GB 1301579A
Authority
GB
United Kingdom
Prior art keywords
signal
component
input
circuit
peaks
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
Other languages
English (en)
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 filed Critical
Publication of GB1301579A publication Critical patent/GB1301579A/en
Expired legal-status Critical Current

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
    • 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
    • G01S13/585Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06Measuring blood flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48Diagnostic techniques
    • A61B8/488Diagnostic techniques involving Doppler signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Medical Informatics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Multimedia (AREA)
  • Hematology (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
GB1301579D 1969-06-05 1970-05-13 Expired GB1301579A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83068169A 1969-06-05 1969-06-05

Publications (1)

Publication Number Publication Date
GB1301579A true GB1301579A (enrdf_load_stackoverflow) 1972-12-29

Family

ID=25257470

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1301579D Expired GB1301579A (enrdf_load_stackoverflow) 1969-06-05 1970-05-13

Country Status (7)

Country Link
JP (1) JPS508917B1 (enrdf_load_stackoverflow)
CH (1) CH510268A (enrdf_load_stackoverflow)
DE (1) DE2025805A1 (enrdf_load_stackoverflow)
FR (1) FR2045857B1 (enrdf_load_stackoverflow)
GB (1) GB1301579A (enrdf_load_stackoverflow)
NL (1) NL7007914A (enrdf_load_stackoverflow)
SE (1) SE358476B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119515A (en) * 1982-04-05 1983-11-16 British Nuclear Fuels Ltd Measurement of fluid oscillation amplitude

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2306455A1 (fr) * 1975-04-03 1976-10-29 Inst Nat Sante Rech Med Procede et dispositif de mesure de la vitesse relative de deplacement de deux parois mobiles et de l'ecartement instantane desdites parois
JPS5532021A (en) * 1978-08-26 1980-03-06 Kawai Musical Instr Mfg Co Electronic musical instrument producing highhorder harmonics
JPS57100794U (enrdf_load_stackoverflow) * 1980-12-11 1982-06-21
FR2516781B1 (fr) * 1981-11-20 1986-05-30 Cetehor Procede pour l'enregistrement de mouvements foetaux au cours de la grossesse et appareil pour la mise en oeuvre du procede
US4653328A (en) * 1985-04-24 1987-03-31 North American Philips Corporation Method and apparatus for echo-ultrasound imaging using compound AM-FM detection with increased dynamic range

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257638A (en) * 1962-11-21 1966-06-21 Janus Products Inc Doppler navigation system
US3437987A (en) * 1967-07-10 1969-04-08 Texas Instruments Inc Underwater navigation method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119515A (en) * 1982-04-05 1983-11-16 British Nuclear Fuels Ltd Measurement of fluid oscillation amplitude

Also Published As

Publication number Publication date
FR2045857B1 (enrdf_load_stackoverflow) 1976-10-29
DE2025805A1 (de) 1970-12-10
JPS508917B1 (enrdf_load_stackoverflow) 1975-04-08
CH510268A (de) 1971-07-15
SE358476B (enrdf_load_stackoverflow) 1973-07-30
FR2045857A1 (enrdf_load_stackoverflow) 1971-03-05
NL7007914A (enrdf_load_stackoverflow) 1970-12-08

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees