IL86347A - Delay quantization technique to reduce steering errors in digital beamformers - Google Patents

Delay quantization technique to reduce steering errors in digital beamformers

Info

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
Application number
IL8634788A
Original Assignee
Hughes Aircraft Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of IL86347A publication Critical patent/IL86347A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
IL8634788A 1987-05-21 1988-05-11 Delay quantization technique to reduce steering errors in digital beamformers IL86347A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1988009548A1 (en) 1988-12-01
EP0316433B1 (en) 1992-03-18
EP0316433A1 (en) 1989-05-24
JPH01503412A (en) 1989-11-16
DE3869331D1 (en) 1992-04-23
JP2545455B2 (en) 1996-10-16

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