Tomov et al., 2005 - Google Patents

Compact FPGA-based beamformer using oversampled 1-bit A/D converters

Tomov et al., 2005

View PDF
Document ID
5668553746334728746
Author
Tomov B
Jensen J
Publication year
Publication venue
ieee transactions on ultrasonics, ferroelectrics, and frequency control

External Links

Snippet

A compact medical ultrasound beamformer architecture that uses oversampled 1-bit analog- to-digital (A/D) converters is presented. Sparse sample processing is used, as the echo signal for the image lines is reconstructed in 512 equidistant focal points along the line …
Continue reading at orbit.dtu.dk (PDF) (other versions)

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
    • G01S15/88—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
    • G01S15/899—Combination of imaging systems with ancillary equipment
    • 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
    • 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
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • 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
    • G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
    • G01S7/52095—Details related to the ultrasound signal acquisition, e.g. scan sequences using multiline receive beamforming
    • 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
    • G01S7/52025—Details of receivers for pulse systems
    • 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

Similar Documents

Publication Publication Date Title
Tomov et al. Compact FPGA-based beamformer using oversampled 1-bit A/D converters
Freeman et al. Delta-sigma oversampled ultrasound beamformer with dynamic delays
JP4039643B2 (en) Ultrasonic beam forming device
US5203335A (en) Phased array ultrasonic beam forming using oversampled A/D converters
KR100742475B1 (en) Enhanced tissue-generated harmonic imaging using coded excitation
JP5847719B2 (en) Ultrasonic three-dimensional image forming system
US20230270417A1 (en) Ultrasound beamformer-based channel data compression
KR100350026B1 (en) Ultrasound imaging method and apparatus based on pulse compression technique using a spread spectrum signal
JP2000232978A (en) Ultrasonic image pickup for optimizing image quality in region of interest
US20050219096A1 (en) Beamformed ultrasonic imager with delta-sigma feedback control
JP2001519617A (en) Beam-formed ultrasound imaging device with delta-sigma feedback control
JP2004512857A (en) Medical diagnostic ultrasound system using contrast pulse sequence imaging
JP2004520907A (en) Harmonic Golay coded excitation with differential pulse generation for diagnostic ultrasound imaging
Kozak et al. Digital phased array beamforming using single-bit delta-sigma conversion with non-uniform oversampling
JP2008149139A (en) Device and method for forming beam based on fractional delay filter using post filtering
US9704474B2 (en) Ultrasound imaging probe with sigma-delta beamformer and apodization therein
Tomov et al. A new architecture for a single-chip multi-channel beamformer based on a standard FPGA
WO2000010638A2 (en) An asynchronous oversampling beamformer
Freeman et al. An ultrasound beamformer using oversampling
Foster et al. A digital annular array prototype scanner for realtime ultrasound imaging
TW202328681A (en) Full-array digital 3d ultrasound imaging system integrated with a matrix array transducer
Han et al. A new architecture for ultrasound sigma-delta modulation beamformer
Li et al. A dynamic focusing technique for delta-sigma-based beamformers
Bilge et al. Subarray delta-sigma beamforming for ultrasonic imaging
US20230213649A1 (en) Full-array digital 3d ultrasound imaging system integrated with a matrix array transducer