FR2493649B1 - Dispositif convertisseur de balayage - Google Patents

Dispositif convertisseur de balayage

Info

Publication number
FR2493649B1
FR2493649B1 FR818120576A FR8120576A FR2493649B1 FR 2493649 B1 FR2493649 B1 FR 2493649B1 FR 818120576 A FR818120576 A FR 818120576A FR 8120576 A FR8120576 A FR 8120576A FR 2493649 B1 FR2493649 B1 FR 2493649B1
Authority
FR
France
Prior art keywords
radial
values
interpolation
derive
along
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
FR818120576A
Other languages
English (en)
Other versions
FR2493649A1 (fr
Inventor
Steven C Leavitt
Hugh G Larsen
Barry F Hunt
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of FR2493649A1 publication Critical patent/FR2493649A1/fr
Application granted granted Critical
Publication of FR2493649B1 publication Critical patent/FR2493649B1/fr
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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52044—Scan converters
    • 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
    • G01S13/46—Indirect determination of position data
    • G01S2013/468—Indirect determination of position data by Triangulation, i.e. two antennas or two sensors determine separately the bearing, direction or angle to a target, whereby with the knowledge of the baseline length, the position data of the target is determined
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/53—Means for transforming coordinates or for evaluating data, e.g. using computers
    • G01S7/531—Scan converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Television Systems (AREA)
FR818120576A 1980-11-03 1981-11-03 Dispositif convertisseur de balayage Expired FR2493649B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20374680A 1980-11-03 1980-11-03

Publications (2)

Publication Number Publication Date
FR2493649A1 FR2493649A1 (fr) 1982-05-07
FR2493649B1 true FR2493649B1 (fr) 1989-04-28

Family

ID=22755153

Family Applications (1)

Application Number Title Priority Date Filing Date
FR818120576A Expired FR2493649B1 (fr) 1980-11-03 1981-11-03 Dispositif convertisseur de balayage

Country Status (5)

Country Link
JP (1) JPS57108681A (fr)
CA (1) CA1173966A (fr)
DE (2) DE3153416C2 (fr)
FR (1) FR2493649B1 (fr)
GB (5) GB2089537B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468747A (en) * 1980-11-03 1984-08-28 Hewlett-Packard Company Scan converter system
JPS59218145A (ja) * 1983-05-26 1984-12-08 株式会社東芝 超音波検査装置
JPS6041956A (ja) * 1983-08-19 1985-03-05 株式会社東芝 超音波診断装置
US4581636A (en) * 1984-04-02 1986-04-08 Advanced Technology Laboratories, Inc. Scan conversion apparatus and method
JPS6272341A (ja) * 1985-09-26 1987-04-02 株式会社東芝 超音波診断装置
FR2589265B1 (fr) * 1985-10-28 1989-10-27 Descartes Paris V Universite R Processeur numerique d'images echographiques, a interpolation
FR2593009B1 (fr) * 1986-01-10 1988-10-07 Thomson Csf Procede d'homogeneisation d'une image issue d'une conversion de coordonnees et transformateur numerique d'images utilisant un tel procede
JPS63296734A (ja) * 1987-05-29 1988-12-02 Yokogawa Medical Syst Ltd デイジタルスキヤンコンバ−タ
JPS6488280A (en) * 1987-07-13 1989-04-03 Sperry Marine Inc Scan conversion method and apparatus
JP2606417B2 (ja) * 1990-07-30 1997-05-07 松下電器産業株式会社 超音波診断装置
DE4206139C2 (de) * 1992-02-28 1994-08-04 Schimmelpfennig Karl Heinz Verfahren zur zeitpräzisen Auswertung von Fahrtschreiber-Diagrammen
DE4223424A1 (de) * 1992-07-16 1994-01-20 Hell Ag Linotype Verfahren und Einrichtung zur Erzeugung von kreisförmigen Verläufen
US6063032A (en) * 1998-09-28 2000-05-16 Scimed Systems, Inc. Ultrasound imaging with zoom having independent processing channels
EP1964056A1 (fr) * 2005-12-23 2008-09-03 Barco Orthogon GmbH Convertisseur et procede pour la transformation de balayage radar
US7327309B2 (en) 2005-12-23 2008-02-05 Barco Orthogon Gmbh Radar scan converter and method for transforming

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002827A (en) * 1975-05-15 1977-01-11 General Electric Company Polar coordinate format to a cartesian coordinate format scan converter
US4174514A (en) * 1976-11-15 1979-11-13 Environmental Research Institute Of Michigan Parallel partitioned serial neighborhood processors
JPS53137691A (en) * 1977-05-07 1978-12-01 Toshiba Corp Sca nning conversion system
JPS6024429B2 (ja) * 1977-08-15 1985-06-12 沖電気工業株式会社 デイジタル走査変換方式
JPS5481095A (en) * 1977-12-12 1979-06-28 Toshiba Corp Computer tomography device
US4241412A (en) * 1979-03-16 1980-12-23 Diasonics, Inc. Polar to cartesian mapping apparatus and method

Also Published As

Publication number Publication date
GB8418006D0 (en) 1984-08-22
GB2153120A (en) 1985-08-14
GB2153120B (en) 1986-01-29
DE3153416C2 (fr) 1989-07-06
GB2149541A (en) 1985-06-12
GB2141848A (en) 1985-01-03
GB2149541B (en) 1986-02-05
JPS57108681A (en) 1982-07-06
DE3143429C2 (fr) 1988-09-01
GB8506834D0 (en) 1985-04-17
GB2089537A (en) 1982-06-23
GB8418007D0 (en) 1984-08-22
GB2141848B (en) 1985-10-02
JPH0372295B2 (fr) 1991-11-18
FR2493649A1 (fr) 1982-05-07
GB8432555D0 (en) 1985-02-06
DE3143429A1 (de) 1982-10-28
GB2089537B (en) 1985-10-02
CA1173966A (fr) 1984-09-04

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Legal Events

Date Code Title Description
ST Notification of lapse