BRPI0520533A2 - methods for imaging acoustic propagation and / or dispersion properties in a region of an object and for imaging acoustic nonlinear dispersion properties in a region of an object, and acoustic instrument for imaging a region of an object object - Google Patents

methods for imaging acoustic propagation and / or dispersion properties in a region of an object and for imaging acoustic nonlinear dispersion properties in a region of an object, and acoustic instrument for imaging a region of an object object

Info

Publication number
BRPI0520533A2
BRPI0520533A2 BRPI0520533-6A BRPI0520533A BRPI0520533A2 BR PI0520533 A2 BRPI0520533 A2 BR PI0520533A2 BR PI0520533 A BRPI0520533 A BR PI0520533A BR PI0520533 A2 BRPI0520533 A2 BR PI0520533A2
Authority
BR
Brazil
Prior art keywords
imaging
acoustic
region
methods
propagation
Prior art date
Application number
BRPI0520533-6A
Other languages
Portuguese (pt)
Inventor
Bjirn A J Angelsen
Rune Hansen
Iyvind Standal
Original Assignee
Rune Hansen
Iyvind Standal
Bjirn A J Angelsen
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 Rune Hansen, Iyvind Standal, Bjirn A J Angelsen filed Critical Rune Hansen
Publication of BRPI0520533A2 publication Critical patent/BRPI0520533A2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • 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
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • G01S15/8952—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using discrete, multiple frequencies
    • 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
    • G01S15/96—Sonar systems specially adapted for specific applications for locating fish
    • 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
    • G01S7/52019—Details of transmitters
    • G01S7/5202—Details of transmitters for pulse systems
    • G01S7/52022—Details of transmitters for pulse systems using a sequence of pulses, at least one pulse manipulating the transmissivity or reflexivity of the medium
    • 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
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation
    • G01S7/52038—Details of receivers using analysis of echo signal for target characterisation involving non-linear properties of the propagation medium or of the reflective target
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
    • 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
    • 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
    • G01S7/52077—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 with means for elimination of unwanted signals, e.g. noise or interference
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/50—Corrections or adjustments related to wave propagation
    • G01V2210/56—De-ghosting; Reverberation compensation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/50—Corrections or adjustments related to wave propagation
    • G01V2210/58—Media-related

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Nonlinear Science (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

MéTODOS PARA FORMAR IMAGEM DE PROPRIEDADES DE PROPAGAçãO E/OU DE DISPERSãO ACúSTICAS EM UMA REGIãO DE UM OBJETO E PARA FORMAR IMAGEM DE PROPRIEDADES DE DISPERSãO NãO LINEAR ACúSTICAS EM UMA REGIãO DE UM OBJETO, E, INSTRUMENTO ACúSTICO PARA FORMAR IMAGEM DE UMA REGIãO DE UM OBJETO. Novos métodos de tratamento de imagem acústica são apresentados que fornecem imagens com ruído de reverberação reduzido e imagens de parâmetros de propagação e dispersão não lineares do objeto, e métodos de estimativa de correção para aberrações frontais de onda produzidas pelas variações espaciais na velocidade de propagação acústica. Os métodos encontram uso em uma variedade de aplicações tais como formar imagem acústica de estruturas geológicas, formar imagem de SONAR de objetos debaixo do mar, e formar imagem de ultra-som médicas. Os métodos são baseados no processamento do sinal recebido, proveniente de pulsos acústicos complexos de banda de freqúência dual transmitidos com sobreposição de pulsos de freqúéncia alta e baixa. O pulso de freqúéncia alta é usado para a reconstrução de imagem e o pulso de freqúência baixa é usado para manipular as propriedades de propagação e dispersão não linear do pulso de freqüência alta.METHODS FOR FORMING IMAGE OF ACOUSTIC PROPAGATION AND / OR DISPOSAL PROPERTIES IN A REGION OF AN OBJECT OBJECT. New acoustic imaging methods are presented that provide images with reduced reverberation noise and nonlinear object propagation and scattering parameter images, and correction estimation methods for frontal wave aberrations produced by spatial variations in acoustic propagation velocity. . The methods find use in a variety of applications such as acoustic imaging of geological structures, sonar imaging of underwater objects, and medical ultrasound imaging. The methods are based on the processing of the received signal from complex dual frequency band acoustic pulses transmitted with high and low frequency pulse overlap. The high frequency pulse is used for image reconstruction and the low frequency pulse is used to manipulate the nonlinear propagation and dispersion properties of the high frequency pulse.

BRPI0520533-6A 2005-09-08 2005-09-08 methods for imaging acoustic propagation and / or dispersion properties in a region of an object and for imaging acoustic nonlinear dispersion properties in a region of an object, and acoustic instrument for imaging a region of an object object BRPI0520533A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2005/000323 WO2007030016A1 (en) 2005-09-08 2005-09-08 Acoustic imaging by nonlinear low frequency manipulation of high frequency scattering and propagation properties

Publications (1)

Publication Number Publication Date
BRPI0520533A2 true BRPI0520533A2 (en) 2009-10-06

Family

ID=36215797

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0520533-6A BRPI0520533A2 (en) 2005-09-08 2005-09-08 methods for imaging acoustic propagation and / or dispersion properties in a region of an object and for imaging acoustic nonlinear dispersion properties in a region of an object, and acoustic instrument for imaging a region of an object object

Country Status (3)

Country Link
BR (1) BRPI0520533A2 (en)
EA (1) EA014167B1 (en)
WO (1) WO2007030016A1 (en)

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Also Published As

Publication number Publication date
EA014167B1 (en) 2010-10-29
WO2007030016A1 (en) 2007-03-15
EA200800748A1 (en) 2008-08-29

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
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Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2478 DE 03-07-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.