JPS6244620B2 - - Google Patents

Info

Publication number
JPS6244620B2
JPS6244620B2 JP54058100A JP5810079A JPS6244620B2 JP S6244620 B2 JPS6244620 B2 JP S6244620B2 JP 54058100 A JP54058100 A JP 54058100A JP 5810079 A JP5810079 A JP 5810079A JP S6244620 B2 JPS6244620 B2 JP S6244620B2
Authority
JP
Japan
Prior art keywords
complex
channel
output signal
fourier transform
output
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
Application number
JP54058100A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55151279A (en
Inventor
Toshihisa Senba
Kazuhiko Nitori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP5810079A priority Critical patent/JPS55151279A/ja
Publication of JPS55151279A publication Critical patent/JPS55151279A/ja
Publication of JPS6244620B2 publication Critical patent/JPS6244620B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
JP5810079A 1979-05-14 1979-05-14 Digital beam former Granted JPS55151279A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5810079A JPS55151279A (en) 1979-05-14 1979-05-14 Digital beam former

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5810079A JPS55151279A (en) 1979-05-14 1979-05-14 Digital beam former

Publications (2)

Publication Number Publication Date
JPS55151279A JPS55151279A (en) 1980-11-25
JPS6244620B2 true JPS6244620B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-09-21

Family

ID=13074530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5810079A Granted JPS55151279A (en) 1979-05-14 1979-05-14 Digital beam former

Country Status (1)

Country Link
JP (1) JPS55151279A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2558112B2 (ja) * 1987-02-06 1996-11-27 三菱電機株式会社 アンテナ装置
JPS63174708U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1987-01-27 1988-11-14
JPH0758860B2 (ja) * 1987-02-06 1995-06-21 三菱電機株式会社 アンテナ装置
JPS6459454A (en) * 1987-08-31 1989-03-07 Hitachi Ltd Method and device for fourier transformation
JPH071852Y2 (ja) * 1988-04-18 1995-01-18 三菱電機株式会社 アンテナ装置
JPH01311704A (ja) * 1988-06-10 1989-12-15 Mitsubishi Electric Corp アンテナ装置
JP2010243237A (ja) * 2009-04-02 2010-10-28 Mitsubishi Electric Corp 目標検出方法及びレーダ装置並びにアレーアンテナ装置
US9297887B2 (en) 2012-02-29 2016-03-29 Panasonic Corporation Device for detecting intruding objects, and method for detecting intruding objects

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5258314A (en) * 1975-11-07 1977-05-13 Sanei Sokki Kk Electronic scanning ultrasonic image pickup device

Also Published As

Publication number Publication date
JPS55151279A (en) 1980-11-25

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