IL86347A - Delay quantization technique to reduce steering errors in digital beamformers - Google Patents
Delay quantization technique to reduce steering errors in digital beamformersInfo
- Publication number
- IL86347A IL86347A IL8634788A IL8634788A IL86347A IL 86347 A IL86347 A IL 86347A IL 8634788 A IL8634788 A IL 8634788A IL 8634788 A IL8634788 A IL 8634788A IL 86347 A IL86347 A IL 86347A
- Authority
- IL
- Israel
- Prior art keywords
- quantization technique
- reduce steering
- delay quantization
- steering errors
- digital beamformers
- Prior art date
Links
Classifications
-
- 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
- G10K11/346—Circuits therefor using phase variation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5281387A | 1987-05-21 | 1987-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IL86347A true IL86347A (en) | 1991-12-15 |
Family
ID=21980069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL8634788A IL86347A (en) | 1987-05-21 | 1988-05-11 | Delay quantization technique to reduce steering errors in digital beamformers |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0316433B1 (en) |
JP (1) | JP2545455B2 (en) |
DE (1) | DE3869331D1 (en) |
IL (1) | IL86347A (en) |
WO (1) | WO1988009548A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108761431B (en) * | 2018-04-20 | 2022-02-11 | 广州民航职业技术学院 | Digital delay system for sonar system test and implementation method thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4140022B1 (en) * | 1977-12-20 | 1995-05-16 | Hewlett Packard Co | Acoustic imaging apparatus |
US4700573A (en) * | 1986-03-07 | 1987-10-20 | Hewlett-Packard Company | Method to improve accuracy in delay lines |
-
1988
- 1988-05-11 IL IL8634788A patent/IL86347A/en not_active IP Right Cessation
- 1988-05-18 JP JP63505145A patent/JP2545455B2/en not_active Expired - Lifetime
- 1988-05-18 DE DE8888905491T patent/DE3869331D1/en not_active Expired - Fee Related
- 1988-05-18 EP EP19880905491 patent/EP0316433B1/en not_active Expired
- 1988-05-18 WO PCT/US1988/001671 patent/WO1988009548A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0316433A1 (en) | 1989-05-24 |
JP2545455B2 (en) | 1996-10-16 |
WO1988009548A1 (en) | 1988-12-01 |
DE3869331D1 (en) | 1992-04-23 |
EP0316433B1 (en) | 1992-03-18 |
JPH01503412A (en) | 1989-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU1301088A (en) | Analogue to digital converter | |
GB2208187B (en) | Digital signal processor architecture | |
GB8421170D0 (en) | Error concealment in digital television signals | |
GB2123233B (en) | Improvements in analog to digital converters | |
GB2190774B (en) | Digital time delay | |
GB8802903D0 (en) | Analogue to digital converters | |
GB8523031D0 (en) | Reducing echo in digital switching system | |
IL86347A (en) | Delay quantization technique to reduce steering errors in digital beamformers | |
EP0323541A3 (en) | Rigid composite | |
AU578642B2 (en) | Improvements in or relating to resins | |
EP0314487A3 (en) | Delay coefficient calculator | |
GB2157905B (en) | Digital to analog converter array | |
GB2223137B (en) | Analogue to digital converters | |
GB2209917B (en) | Instant paste for use in sugar craft | |
GB2120481B (en) | Improvements in or relating to analogue to digital converters | |
GB2213338B (en) | Variable digital delay | |
GB2168863B (en) | Analogue to digital converter | |
GB8323268D0 (en) | Analog to digital conversion | |
GB8427325D0 (en) | Digital to analogue conversion | |
AU560209B2 (en) | Improvements in or relating to fluidised beds | |
GB2144286B (en) | Digital to analogue converters | |
GB8819862D0 (en) | Improvements in/relating to mounting structures | |
GB2219453B (en) | Analogue to digital convertors | |
GB2141598B (en) | Digital to analogue converters | |
IE870647L (en) | Analogue to digital conversion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
KB | Patents renewed | ||
HC | Changes of name of proprietors | ||
KB | Patents renewed | ||
KB | Patents renewed | ||
EXP | Patent expired |