FR2721716B1 - Procédé de mise en forme d'un faisceau et conformateur de faisceau combiné, déphaseur et retardateur, utilisé dans ce procédé. - Google Patents
Procédé de mise en forme d'un faisceau et conformateur de faisceau combiné, déphaseur et retardateur, utilisé dans ce procédé.Info
- Publication number
- FR2721716B1 FR2721716B1 FR9507056A FR9507056A FR2721716B1 FR 2721716 B1 FR2721716 B1 FR 2721716B1 FR 9507056 A FR9507056 A FR 9507056A FR 9507056 A FR9507056 A FR 9507056A FR 2721716 B1 FR2721716 B1 FR 2721716B1
- Authority
- FR
- France
- Prior art keywords
- retarder
- phase shifter
- beam shaping
- shaper
- combined
- 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
- 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
- G01S7/52003—Techniques for enhancing spatial resolution of targets
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/266,395 US5436872A (en) | 1994-06-27 | 1994-06-27 | Time delay-phase shift combination beamformer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2721716A1 FR2721716A1 (fr) | 1995-12-29 |
FR2721716B1 true FR2721716B1 (fr) | 1997-09-19 |
Family
ID=23014396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9507056A Expired - Fee Related FR2721716B1 (fr) | 1994-06-27 | 1995-06-14 | Procédé de mise en forme d'un faisceau et conformateur de faisceau combiné, déphaseur et retardateur, utilisé dans ce procédé. |
Country Status (2)
Country | Link |
---|---|
US (1) | US5436872A (fr) |
FR (1) | FR2721716B1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4697262A (en) * | 1984-12-20 | 1987-09-29 | Siemens Aktiengesellschaft | Digital carrier channel bus interface module for a multiplexer having a cross-connect bus system |
US5596550A (en) * | 1995-06-20 | 1997-01-21 | Northrop Grumman Corporation | Low cost shading for wide sonar beams |
US6445647B1 (en) * | 1999-08-24 | 2002-09-03 | The United States Of America As Represented By The Secretary Of The Navy | Wideband-to-narrowband conversion method and apparatus |
US7295154B2 (en) * | 2002-01-17 | 2007-11-13 | The Ohio State University | Vehicle obstacle warning radar |
US6806826B2 (en) | 2002-01-17 | 2004-10-19 | The Ohio State University | Vehicle obstacle warning radar |
US6860081B2 (en) * | 2002-12-04 | 2005-03-01 | The Ohio State University | Sidelobe controlled radio transmission region in metallic panel |
US7196657B2 (en) * | 2003-01-31 | 2007-03-27 | The Ohio State University | Radar system using RF noise |
US7363334B2 (en) * | 2003-08-28 | 2008-04-22 | Accoutic Processing Technology, Inc. | Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter componentry, and fabrication thereof |
CN1875292A (zh) * | 2003-09-04 | 2006-12-06 | 声纳技术地图有限公司 | 分辨声纳阵列中的指向性信息 |
WO2014008508A1 (fr) | 2012-07-06 | 2014-01-09 | The Ohio State University | Conception d'antenne gnss à double bande compacte |
US20160226142A1 (en) * | 2015-01-29 | 2016-08-04 | Robert Leroux | Phase control for antenna array |
US10056915B2 (en) * | 2015-07-16 | 2018-08-21 | Semiconductor Components Industries, Llc | Digital-to-analog converter |
US20220326347A1 (en) * | 2021-01-22 | 2022-10-13 | Uhnder, Inc. | Sparse antenna arrays for automotive radar |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155260A (en) * | 1978-05-24 | 1979-05-22 | General Electric Company | Ultrasonic imaging system |
US4387597A (en) * | 1980-12-08 | 1983-06-14 | Advanced Technology Laboratories, Inc. | Beamforming apparatus and method for ultrasonic imaging systems |
DE3425705A1 (de) * | 1984-07-12 | 1986-01-16 | Siemens AG, 1000 Berlin und 8000 München | Phased-array-geraet |
US4983970A (en) * | 1990-03-28 | 1991-01-08 | General Electric Company | Method and apparatus for digital phased array imaging |
US5230340A (en) * | 1992-04-13 | 1993-07-27 | General Electric Company | Ultrasound imaging system with improved dynamic focusing |
-
1994
- 1994-06-27 US US08/266,395 patent/US5436872A/en not_active Expired - Fee Related
-
1995
- 1995-06-14 FR FR9507056A patent/FR2721716B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5436872A (en) | 1995-07-25 |
FR2721716A1 (fr) | 1995-12-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |