JPS61138187A - ソ−ナ−装置 - Google Patents

ソ−ナ−装置

Info

Publication number
JPS61138187A
JPS61138187A JP26037784A JP26037784A JPS61138187A JP S61138187 A JPS61138187 A JP S61138187A JP 26037784 A JP26037784 A JP 26037784A JP 26037784 A JP26037784 A JP 26037784A JP S61138187 A JPS61138187 A JP S61138187A
Authority
JP
Japan
Prior art keywords
phasing
phase
scanning
horizontal
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.)
Granted
Application number
JP26037784A
Other languages
English (en)
Japanese (ja)
Other versions
JPH047836B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Shinichi Hanamura
花村　慎一
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP26037784A priority Critical patent/JPS61138187A/ja
Publication of JPS61138187A publication Critical patent/JPS61138187A/ja
Publication of JPH047836B2 publication Critical patent/JPH047836B2/ja
Granted legal-status Critical Current

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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
JP26037784A 1984-12-10 1984-12-10 ソ−ナ−装置 Granted JPS61138187A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26037784A JPS61138187A (ja) 1984-12-10 1984-12-10 ソ−ナ−装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26037784A JPS61138187A (ja) 1984-12-10 1984-12-10 ソ−ナ−装置

Publications (2)

Publication Number Publication Date
JPS61138187A true JPS61138187A (ja) 1986-06-25
JPH047836B2 JPH047836B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-13

Family

ID=17347075

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26037784A Granted JPS61138187A (ja) 1984-12-10 1984-12-10 ソ−ナ−装置

Country Status (1)

Country Link
JP (1) JPS61138187A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226545A (ja) * 1988-07-15 1990-01-29 Olympus Optical Co Ltd 超音波ビーム走査装置
JPH02138890A (ja) * 1988-08-24 1990-05-28 Furuno Electric Co Ltd 水中探知装置
JP2007535195A (ja) * 2003-07-11 2007-11-29 ブルービュー テクノロジーズ インコーポレイテッド ２ｄおよび３ｄ画像のための周波数ステアリング型音響アレイを実施する方法およびシステム
JP2011179896A (ja) * 2010-02-26 2011-09-15 Nec Corp ビーム合成装置、ビーム合成方法及び円筒アレイ受信システム
CN104730512A (zh) * 2013-12-18 2015-06-24 中国科学院声学研究所 一种水听器线序反接故障检测方法及系统
US11467242B2 (en) 2019-05-29 2022-10-11 Nec Corporation Direction-of-arrival estimation apparatus, method, and non-transitory medium

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226545A (ja) * 1988-07-15 1990-01-29 Olympus Optical Co Ltd 超音波ビーム走査装置
JPH02138890A (ja) * 1988-08-24 1990-05-28 Furuno Electric Co Ltd 水中探知装置
JP2007535195A (ja) * 2003-07-11 2007-11-29 ブルービュー テクノロジーズ インコーポレイテッド ２ｄおよび３ｄ画像のための周波数ステアリング型音響アレイを実施する方法およびシステム
JP2011179896A (ja) * 2010-02-26 2011-09-15 Nec Corp ビーム合成装置、ビーム合成方法及び円筒アレイ受信システム
CN104730512A (zh) * 2013-12-18 2015-06-24 中国科学院声学研究所 一种水听器线序反接故障检测方法及系统
CN104730512B (zh) * 2013-12-18 2017-05-17 中国科学院声学研究所 一种水听器线序反接故障检测方法及系统
US11467242B2 (en) 2019-05-29 2022-10-11 Nec Corporation Direction-of-arrival estimation apparatus, method, and non-transitory medium

Also Published As

Publication number Publication date
JPH047836B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-02-13

Similar Documents

Publication Publication Date Title
US4237737A (en) Ultrasonic imaging system
JP4802234B2 (ja) 受信ビームフォーマ
EP0388215A2 (en) Dynamically variable digital delay
US4403314A (en) Active detection system using simultaneous multiple transmissions
JP2002065664A (ja) 超音波診断装置及び超音波信号の処理方法
US4403311A (en) Acoustic imaging system
US20010051772A1 (en) Ultrasound receive beamforming apparatus using multi stage delay devices
US6123671A (en) Method and apparatus for distributed, agile calculation of beamforming time delays and apodization values
GB1592276A (en) Synthetic aperture side-looking sonar system
US4796236A (en) Architecture for ultrasonic imaging
US5477859A (en) Ultrasound imaging system having spatial filtering preprocessor
JPH07303638A (ja) マルチチャネルデジタル受信方法および装置および超音波診断装置
US7227813B2 (en) Method and apparatus for forming multiple beams
US4233678A (en) Serial phase shift beamformer using charge transfer devices
JPS61138187A (ja) ソ−ナ−装置
JP2005102717A (ja) 超音波診断装置
US3835448A (en) Multibeam steering system for a circular section acoustic transducer array
JPS6115375B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US5088496A (en) Ultrasonic echography apparatus utilizing a digital device for forming channels, in the receiving mode
EP0441044A2 (en) Synthetic aperture minimum redundancy sonar apparatus
JP3306403B2 (ja) 超音波診断装置
JP2006501719A (ja) アレイアンテナのビーム制御のための方法及びユニット
WO1999027858A1 (fr) Dispositif de diagnostic ultrasonore
US7129888B1 (en) High speed weighting signal generator for sidelobe canceller
US5891041A (en) Ultrasonic imaging system adapted for use with ultrasonic probes having different center frequencies