JPS55151279A - Digital beam former - Google Patents

Digital beam former

Info

Publication number
JPS55151279A
JPS55151279A JP5810079A JP5810079A JPS55151279A JP S55151279 A JPS55151279 A JP S55151279A JP 5810079 A JP5810079 A JP 5810079A JP 5810079 A JP5810079 A JP 5810079A JP S55151279 A JPS55151279 A JP S55151279A
Authority
JP
Japan
Prior art keywords
memories
complex
written
channels
spectrums
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.)
Granted
Application number
JP5810079A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6244620B2 (enrdf_load_stackoverflow
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
Technical Research and Development Institute of Japan Defence Agency
Original Assignee
Oki Electric Industry Co Ltd
Technical Research and Development Institute of Japan Defence Agency
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, Technical Research and Development Institute of Japan Defence Agency 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (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 true JPS55151279A (en) 1980-11-25
JPS6244620B2 JPS6244620B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63193703A (ja) * 1987-02-06 1988-08-11 Mitsubishi Electric Corp アンテナ装置
JPS63193702A (ja) * 1987-02-06 1988-08-11 Mitsubishi Electric Corp アンテナ装置
JPS63174708U (enrdf_load_stackoverflow) * 1987-01-27 1988-11-14
JPS6459454A (en) * 1987-08-31 1989-03-07 Hitachi Ltd Method and device for fourier transformation
JPH01153720U (enrdf_load_stackoverflow) * 1988-04-18 1989-10-23
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
WO2013128820A1 (ja) * 2012-02-29 2013-09-06 パナソニック株式会社 侵入物検知装置及び侵入物検知方法

Citations (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

Patent Citations (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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63174708U (enrdf_load_stackoverflow) * 1987-01-27 1988-11-14
JPS63193703A (ja) * 1987-02-06 1988-08-11 Mitsubishi Electric Corp アンテナ装置
JPS63193702A (ja) * 1987-02-06 1988-08-11 Mitsubishi Electric Corp アンテナ装置
JPS6459454A (en) * 1987-08-31 1989-03-07 Hitachi Ltd Method and device for fourier transformation
JPH01153720U (enrdf_load_stackoverflow) * 1988-04-18 1989-10-23
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
WO2013128820A1 (ja) * 2012-02-29 2013-09-06 パナソニック株式会社 侵入物検知装置及び侵入物検知方法
JPWO2013128820A1 (ja) * 2012-02-29 2015-07-30 パナソニック株式会社 侵入物検知装置及び侵入物検知方法
US9297887B2 (en) 2012-02-29 2016-03-29 Panasonic Corporation Device for detecting intruding objects, and method for detecting intruding objects

Also Published As

Publication number Publication date
JPS6244620B2 (enrdf_load_stackoverflow) 1987-09-21

Similar Documents

Publication Publication Date Title
Groginsky et al. A pipeline fast Fourier transform
Good On the weighted combination of significance tests
Rice et al. Quadrature sampling with high dynamic range
Sreenivas et al. FFT algorithm for both input and output pruning
GB1463142A (en) Radio frequency digital fourier analyzer
US3932737A (en) Spectrum analyzer establishing a nonlinear frequency distribution of power-density spectra
JPS55151279A (en) Digital beam former
GB1281730A (en) Fourier transform computer
SE7602933L (sv) Fourier-transformeringsanordning for udda diskreta komponenter
GB1355390A (en) Digital computers
GB1330700A (en) Real time fast fourier transform processor with sequential access memory
JPS6486936A (en) Method and apparatus for analyzing bio-data
JPS5763985A (en) Processing circuit of chroma signal
Princehouse REVGEN, a real-time reverberation generator
JPS5547565A (en) Fourier conversion processing system
GB1196442A (en) Signal Processing Apparatus
SU633036A1 (ru) Аналоговый интегрирующий вычислитель
Trider A fast digital signal processor
SU612248A1 (ru) Цифровой трансверсальный фильтр
SU907458A1 (ru) Устройство спектрального анализа
SU666488A1 (ru) Дискретно-аналоговый анализатор скольз щего спектра
SU645163A1 (ru) Устройство дл вычислени коэффициентов фурье
Collesidis et al. An ultra-high speed FFT processor
JPS5482941A (en) Fourier conversion processor
Godbole et al. Realtime spectrum analysis using a microprocessor peripheral