IL91081A - Method and apparatus for fourier processing of pulsed doppler signals - Google Patents
Method and apparatus for fourier processing of pulsed doppler signalsInfo
- Publication number
- IL91081A IL91081A IL91081A IL9108189A IL91081A IL 91081 A IL91081 A IL 91081A IL 91081 A IL91081 A IL 91081A IL 9108189 A IL9108189 A IL 9108189A IL 91081 A IL91081 A IL 91081A
- Authority
- IL
- Israel
- Prior art keywords
- doppler signals
- pulsed doppler
- fourier processing
- fourier
- processing
- Prior art date
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
- G01S15/584—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets with measures taken for suppressing velocity ambiguities, i.e. anti-aliasing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
- G01P5/244—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect involving pulsed waves
-
- 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
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
-
- 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
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Complex Calculations (AREA)
- Measuring Volume Flow (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/224,106 US4930513A (en) | 1988-07-26 | 1988-07-26 | Two dimensional processing of pulsed Doppler signals |
Publications (2)
Publication Number | Publication Date |
---|---|
IL91081A0 IL91081A0 (en) | 1990-03-19 |
IL91081A true IL91081A (en) | 1992-12-01 |
Family
ID=22839302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL91081A IL91081A (en) | 1988-07-26 | 1989-07-24 | Method and apparatus for fourier processing of pulsed doppler signals |
Country Status (6)
Country | Link |
---|---|
US (1) | US4930513A (xx) |
EP (1) | EP0358249B1 (xx) |
JP (1) | JP2849827B2 (xx) |
CN (1) | CN1022135C (xx) |
DE (1) | DE68911797T2 (xx) |
IL (1) | IL91081A (xx) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5030956A (en) * | 1989-04-25 | 1991-07-09 | Murphy Quentin M | Radar tomography |
US5227797A (en) * | 1989-04-25 | 1993-07-13 | Murphy Quentin M | Radar tomography |
US5201313A (en) * | 1989-09-04 | 1993-04-13 | Hitachi, Ltd. | Ultrasonic flowmeter |
US5121065A (en) * | 1990-07-13 | 1992-06-09 | Hewlett-Packard Company | Mixed domain mixed ratio frequency response sampling |
US5341809A (en) * | 1990-08-31 | 1994-08-30 | Hitachi, Ltd. | Ultrasonic flowmeter |
US5048528A (en) * | 1990-11-15 | 1991-09-17 | North American Philips Corp. | Alias suppression in pulsed doppler systems |
US5349525A (en) * | 1993-01-08 | 1994-09-20 | General Electric Company | Color flow imaging system utilizing a frequency domain wall filter |
US5386830A (en) * | 1993-10-25 | 1995-02-07 | Advanced Technology Laboratories, Inc. | Ultrasonic pulsed doppler flow measurement system with two dimensional autocorrelation processing |
NO942222D0 (no) * | 1994-06-14 | 1994-06-14 | Vingmed Sound As | Fremgangsmåte ved bestemmelse av hastighet/tid-spektrum ved blodströmning |
US5454372A (en) * | 1994-06-17 | 1995-10-03 | Siemens Medical Systems, Inc. | Angle independent doppler in ultrasound imaging |
NO944736D0 (no) * | 1994-12-07 | 1994-12-07 | Vingmed Sound As | Fremgangsmåte for bestemmelse av blodhastighet |
US5813987A (en) * | 1995-08-01 | 1998-09-29 | Medispectra, Inc. | Spectral volume microprobe for analysis of materials |
US5713364A (en) * | 1995-08-01 | 1998-02-03 | Medispectra, Inc. | Spectral volume microprobe analysis of materials |
US5615677A (en) * | 1995-08-04 | 1997-04-01 | The Board Of Trustees Of The Leland Stanford Junior University | MRI tracking of cyclical motion by fourier integration of velocity |
GB9608774D0 (en) | 1996-04-27 | 1996-07-03 | Bloodhound Sensors Limited | Apparatus and method for detecting fluids |
US5951477A (en) * | 1997-09-11 | 1999-09-14 | Uab Vittamed | Method and apparatus for determining the pressure inside the brain |
US6419632B1 (en) * | 1999-03-30 | 2002-07-16 | Kabushiki Kaisha Toshiba | High resolution flow imaging for ultrasound diagnosis |
EP1744181B8 (en) * | 2005-07-15 | 2014-04-09 | Kabushiki Kaisha Toshiba | Ultrasonic diagnostic apparatus and ultrasonic image processing method |
US8926515B2 (en) * | 2008-05-15 | 2015-01-06 | Uab Vittamed | Method and apparatus for continuously monitoring intracranial pressure |
DE102008062485A1 (de) * | 2008-06-02 | 2009-12-03 | Rohde & Schwarz Gmbh & Co. Kg | Messvorrichtung und Verfahren zur Bestimmung von Bewegung in einem Gewebe |
US8394025B2 (en) * | 2009-06-26 | 2013-03-12 | Uab Vittamed | Method and apparatus for determining the absolute value of intracranial pressure |
JP5355327B2 (ja) * | 2009-09-18 | 2013-11-27 | 日立アロカメディカル株式会社 | 超音波診断装置 |
JP5398514B2 (ja) * | 2009-12-21 | 2014-01-29 | 株式会社東芝 | カラードプラ超音波診断装置 |
CN101856242B (zh) * | 2010-06-30 | 2012-04-18 | 深圳市蓝韵实业有限公司 | 一种脉冲波多普勒成像方法及装置 |
CN103690194A (zh) * | 2013-12-17 | 2014-04-02 | 中国科学院深圳先进技术研究院 | 基于宽带信号的血流流速估计方法和系统 |
CN107635472A (zh) | 2015-06-19 | 2018-01-26 | 神经系统分析公司 | 经颅多普勒探测器 |
US10048370B2 (en) | 2015-07-07 | 2018-08-14 | Honeywell International Inc. | Estimating weather and ground reflectivity with doppler spectral information |
CN105222861B (zh) * | 2015-09-01 | 2018-08-21 | 中国计量学院 | 一种基于速度匹配谱测量气液两相流相分界面位置的方法 |
JP2019504670A (ja) | 2016-01-05 | 2019-02-21 | ニューラル アナリティクス、インコーポレイテッド | 臨床指標を決定するためのシステム及び方法 |
US10617388B2 (en) | 2016-01-05 | 2020-04-14 | Neural Analytics, Inc. | Integrated probe structure |
US11589836B2 (en) | 2016-01-05 | 2023-02-28 | Novasignal Corp. | Systems and methods for detecting neurological conditions |
CN105997148B (zh) * | 2016-05-26 | 2019-01-29 | 飞依诺科技(苏州)有限公司 | 脉冲多普勒超高谱分辨率成像处理方法及处理系统 |
CN109708709A (zh) * | 2017-10-25 | 2019-05-03 | 傅古月 | 一种微波固体流量计信号处理方法 |
WO2019195156A1 (en) * | 2018-04-03 | 2019-10-10 | The Children' S Mercy Hospital | Systems and methods for detecting flow of biological fluids |
CN110632606B (zh) * | 2019-08-02 | 2023-01-10 | 中国船舶重工集团公司第七一五研究所 | 一种基于空间重采样的二维快速傅里叶变换三维成像方法 |
CN112485783B (zh) * | 2020-09-29 | 2024-05-10 | 北京清瑞维航技术发展有限公司 | 目标探测方法、装置、计算机设备和存储介质 |
CN113343897B (zh) * | 2021-06-25 | 2022-06-07 | 中国电子科技集团公司第二十九研究所 | 一种基于辐射信号斜率变化加快信号处理的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2461304A1 (fr) * | 1979-07-12 | 1981-01-30 | Ibm France | Appareil de calcul de transformee de fourier discrete bidimensionnelle |
US4646099A (en) * | 1983-09-28 | 1987-02-24 | Sanders Associates, Inc. | Three-dimensional fourier-transform device |
US4601006A (en) * | 1983-10-06 | 1986-07-15 | Research Corporation | Architecture for two dimensional fast fourier transform |
JPS6140678A (ja) * | 1984-08-01 | 1986-02-26 | Hitachi Medical Corp | 画像処理装置 |
JPS61170442A (ja) * | 1985-01-23 | 1986-08-01 | 松下電器産業株式会社 | 超音波ドツプラ血流装置 |
US4770184A (en) * | 1985-12-17 | 1988-09-13 | Washington Research Foundation | Ultrasonic doppler diagnostic system using pattern recognition |
-
1988
- 1988-07-26 US US07/224,106 patent/US4930513A/en not_active Expired - Lifetime
-
1989
- 1989-07-20 EP EP89201916A patent/EP0358249B1/en not_active Expired - Lifetime
- 1989-07-20 DE DE68911797T patent/DE68911797T2/de not_active Expired - Fee Related
- 1989-07-24 CN CN89106234A patent/CN1022135C/zh not_active Expired - Fee Related
- 1989-07-24 IL IL91081A patent/IL91081A/xx not_active IP Right Cessation
- 1989-07-25 JP JP1190695A patent/JP2849827B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE68911797D1 (de) | 1994-02-10 |
EP0358249A3 (en) | 1991-06-05 |
US4930513A (en) | 1990-06-05 |
EP0358249B1 (en) | 1993-12-29 |
CN1022135C (zh) | 1993-09-15 |
JPH0268045A (ja) | 1990-03-07 |
CN1039902A (zh) | 1990-02-21 |
JP2849827B2 (ja) | 1999-01-27 |
IL91081A0 (en) | 1990-03-19 |
DE68911797T2 (de) | 1994-07-07 |
EP0358249A2 (en) | 1990-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
HC | Change of name of proprietor(s) | ||
KB | Patent renewed | ||
RH1 | Patent not in force |