NL8802340A - Werkwijze en inrichting voor het adaptief vormen van een coherente energiebundel gebruikmakend van faseconjugatie. - Google Patents

Werkwijze en inrichting voor het adaptief vormen van een coherente energiebundel gebruikmakend van faseconjugatie. Download PDF

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Publication number
NL8802340A
NL8802340A NL8802340A NL8802340A NL8802340A NL 8802340 A NL8802340 A NL 8802340A NL 8802340 A NL8802340 A NL 8802340A NL 8802340 A NL8802340 A NL 8802340A NL 8802340 A NL8802340 A NL 8802340A
Authority
NL
Netherlands
Prior art keywords
phase
transducer
signals
channel
signal
Prior art date
Application number
NL8802340A
Other languages
English (en)
Dutch (nl)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of NL8802340A publication Critical patent/NL8802340A/nl

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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
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver
    • G01S7/52049—Techniques for image enhancement involving transmitter or receiver using correction of medium-induced phase aberration
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8918—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being linear

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NL8802340A 1987-09-21 1988-09-21 Werkwijze en inrichting voor het adaptief vormen van een coherente energiebundel gebruikmakend van faseconjugatie. NL8802340A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/099,422 US4835689A (en) 1987-09-21 1987-09-21 Adaptive coherent energy beam formation using phase conjugation
US9942287 1987-09-21

Publications (1)

Publication Number Publication Date
NL8802340A true NL8802340A (nl) 1989-04-17

Family

ID=22274935

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8802340A NL8802340A (nl) 1987-09-21 1988-09-21 Werkwijze en inrichting voor het adaptief vormen van een coherente energiebundel gebruikmakend van faseconjugatie.

Country Status (4)

Country Link
US (1) US4835689A (de)
JP (1) JPH01135333A (de)
DE (1) DE3831537A1 (de)
NL (1) NL8802340A (de)

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JP2530237Y2 (ja) * 1990-08-14 1997-03-26 ジーイー横河メディカルシステム株式会社 超音波イメージング装置
US5142649A (en) * 1991-08-07 1992-08-25 General Electric Company Ultrasonic imaging system with multiple, dynamically focused transmit beams
US5121364A (en) * 1991-08-07 1992-06-09 General Electric Company Time frequency control filter for an ultrasonic imaging system
US5291892A (en) * 1991-11-04 1994-03-08 General Electric Company Ultrasonic flow imaging
US5172343A (en) * 1991-12-06 1992-12-15 General Electric Company Aberration correction using beam data from a phased array ultrasonic scanner
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US6029116A (en) * 1994-08-05 2000-02-22 Acuson Corporation Method and apparatus for a baseband processor of a receive beamformer system
US5928152A (en) * 1994-08-05 1999-07-27 Acuson Corporation Method and apparatus for a baseband processor of a receive beamformer system
US5793701A (en) * 1995-04-07 1998-08-11 Acuson Corporation Method and apparatus for coherent image formation
US5570691A (en) * 1994-08-05 1996-11-05 Acuson Corporation Method and apparatus for real-time, concurrent adaptive focusing in an ultrasound beamformer imaging system
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US6200267B1 (en) 1998-05-13 2001-03-13 Thomas Burke High-speed ultrasound image improvement using an optical correlator
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Also Published As

Publication number Publication date
DE3831537A1 (de) 1989-04-06
JPH01135333A (ja) 1989-05-29
US4835689A (en) 1989-05-30

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