DE69214023D1 - Filter zur Festechounterdrückung für ein Ultraschalldopplersystem - Google Patents
Filter zur Festechounterdrückung für ein UltraschalldopplersystemInfo
- Publication number
- DE69214023D1 DE69214023D1 DE69214023T DE69214023T DE69214023D1 DE 69214023 D1 DE69214023 D1 DE 69214023D1 DE 69214023 T DE69214023 T DE 69214023T DE 69214023 T DE69214023 T DE 69214023T DE 69214023 D1 DE69214023 D1 DE 69214023D1
- Authority
- DE
- Germany
- Prior art keywords
- echo suppression
- suppression filter
- ultrasonic doppler
- doppler system
- fixed echo
- 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 - Fee Related
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
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
-
- 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
- G01S15/8981—Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03161913A JP3093823B2 (ja) | 1991-07-02 | 1991-07-02 | 超音波ドプラ診断装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69214023D1 true DE69214023D1 (de) | 1996-10-31 |
DE69214023T2 DE69214023T2 (de) | 1997-02-06 |
Family
ID=15744406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69214023T Expired - Fee Related DE69214023T2 (de) | 1991-07-02 | 1992-07-02 | Filter zur Festechounterdrückung für ein Ultraschalldopplersystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US5383464A (de) |
EP (1) | EP0521498B1 (de) |
JP (1) | JP3093823B2 (de) |
DE (1) | DE69214023T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5349524A (en) * | 1993-01-08 | 1994-09-20 | General Electric Company | Color flow imaging system utilizing a time domain adaptive wall filter |
US5327894A (en) * | 1993-03-01 | 1994-07-12 | General Electric Company | Wall filter using circular convolution for a color flow imaging system |
JP2723458B2 (ja) * | 1993-12-24 | 1998-03-09 | アロカ株式会社 | 超音波ドプラ診断装置 |
US6029116A (en) * | 1994-08-05 | 2000-02-22 | Acuson Corporation | Method and apparatus for a baseband processor of a receive beamformer system |
US5664575A (en) * | 1994-12-29 | 1997-09-09 | Siemens Medical Systems, Inc. | Ultrasonic doppler imager having an adaptive tissue rejection filter with variable parameters |
US5544659A (en) * | 1994-12-29 | 1996-08-13 | Siemens Medical Systems, Inc. | Ultrasonic doppler imager having a reduced hardware adaptive tissue rejection filter arrangement |
JP3946288B2 (ja) * | 1996-10-01 | 2007-07-18 | 東芝医用システムエンジニアリング株式会社 | 超音波カラードプラ診断装置および超音波カラードプライメージングの信号処理方法 |
US6039692A (en) * | 1998-06-19 | 2000-03-21 | Vingmed Sound A/S | Method and apparatus for processing ultrasound signals |
US6296612B1 (en) * | 1999-07-09 | 2001-10-02 | General Electric Company | Method and apparatus for adaptive wall filtering in spectral Doppler ultrasound imaging |
US6733455B2 (en) * | 1999-08-20 | 2004-05-11 | Zonare Medical Systems, Inc. | System and method for adaptive clutter filtering in ultrasound color flow imaging |
US6685645B1 (en) | 2001-10-20 | 2004-02-03 | Zonare Medical Systems, Inc. | Broad-beam imaging |
US7749166B2 (en) * | 2004-04-26 | 2010-07-06 | General Electric Company | System and method for filtering in imaging systems |
US7643862B2 (en) * | 2005-09-15 | 2010-01-05 | Biomet Manufacturing Corporation | Virtual mouse for use in surgical navigation |
KR101055581B1 (ko) * | 2008-03-20 | 2011-08-23 | 삼성메디슨 주식회사 | 초음파 시스템 및 클러터 신호 제거용 필터 설정 방법 |
JP5593116B2 (ja) * | 2009-04-30 | 2014-09-17 | 三星メディソン株式会社 | 適応クラッターフィルタリングを行う超音波システムおよび方法 |
KR102311699B1 (ko) * | 2020-04-09 | 2021-10-12 | 한화시스템 주식회사 | 레이다 장치 및 이를 이용한 표적 탐지 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4450446A (en) * | 1981-05-29 | 1984-05-22 | Westinghouse Electric Corp. | Method and system for tracking targets in a pulse doppler radar system |
JPH01110351A (ja) * | 1987-10-23 | 1989-04-27 | Aloka Co Ltd | 超音波ドプラ診断装置 |
JPH03188841A (ja) * | 1989-09-20 | 1991-08-16 | Toshiba Corp | 超音波診断装置 |
US5170792A (en) * | 1989-11-27 | 1992-12-15 | Acoustic Imaging Technologies Corporation | Adaptive tissue velocity compensation for ultrasonic Doppler imaging |
US5107841A (en) * | 1989-11-27 | 1992-04-28 | Acoustic Imaging Technologies Corporation | Maximum entropy velocity estimator for ultrasonic flow imaging system |
JPH03228752A (ja) * | 1990-02-05 | 1991-10-09 | Hitachi Ltd | 高限界速パルスドプラ計測装置 |
US5190044A (en) * | 1990-03-30 | 1993-03-02 | Kabushiki Kaisha Toshiba | Ultrasonic blood flow imaging apparatus |
-
1991
- 1991-07-02 JP JP03161913A patent/JP3093823B2/ja not_active Expired - Lifetime
-
1992
- 1992-06-26 US US07/904,647 patent/US5383464A/en not_active Expired - Fee Related
- 1992-07-02 EP EP92111189A patent/EP0521498B1/de not_active Expired - Lifetime
- 1992-07-02 DE DE69214023T patent/DE69214023T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0521498B1 (de) | 1996-09-25 |
US5383464A (en) | 1995-01-24 |
JP3093823B2 (ja) | 2000-10-03 |
EP0521498A1 (de) | 1993-01-07 |
DE69214023T2 (de) | 1997-02-06 |
JPH057588A (ja) | 1993-01-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FUKUDA DENSHI CO. LTD., TOKIO/TOKYO, JP |
|
8339 | Ceased/non-payment of the annual fee |