JPS58122479A - 水中航走体誘導装置における残響低減回路 - Google Patents
水中航走体誘導装置における残響低減回路Info
- Publication number
- JPS58122479A JPS58122479A JP57004247A JP424782A JPS58122479A JP S58122479 A JPS58122479 A JP S58122479A JP 57004247 A JP57004247 A JP 57004247A JP 424782 A JP424782 A JP 424782A JP S58122479 A JPS58122479 A JP S58122479A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- reverberation
- signal
- frequency
- echo
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 241000556720 Manga Species 0.000 claims 1
- 230000005534 acoustic noise Effects 0.000 claims 1
- OPXLLQIJSORQAM-UHFFFAOYSA-N mebendazole Chemical compound C=1C=C2NC(NC(=O)OC)=NC2=CC=1C(=O)C1=CC=CC=C1 OPXLLQIJSORQAM-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000002238 attenuated effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241000288105 Grus Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/534—Details of non-pulse systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57004247A JPS58122479A (ja) | 1982-01-14 | 1982-01-14 | 水中航走体誘導装置における残響低減回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57004247A JPS58122479A (ja) | 1982-01-14 | 1982-01-14 | 水中航走体誘導装置における残響低減回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58122479A true JPS58122479A (ja) | 1983-07-21 |
JPS6367154B2 JPS6367154B2 (enrdf_load_stackoverflow) | 1988-12-23 |
Family
ID=11579207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57004247A Granted JPS58122479A (ja) | 1982-01-14 | 1982-01-14 | 水中航走体誘導装置における残響低減回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58122479A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052785A (ja) * | 1983-08-31 | 1985-03-26 | Yokogawa Medical Syst Ltd | 方位角適応型フエ−ズド・アレイ・ソ−ナ− |
JP2006170926A (ja) * | 2004-12-20 | 2006-06-29 | Furuno Electric Co Ltd | 水中探知装置 |
-
1982
- 1982-01-14 JP JP57004247A patent/JPS58122479A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6052785A (ja) * | 1983-08-31 | 1985-03-26 | Yokogawa Medical Syst Ltd | 方位角適応型フエ−ズド・アレイ・ソ−ナ− |
JP2006170926A (ja) * | 2004-12-20 | 2006-06-29 | Furuno Electric Co Ltd | 水中探知装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6367154B2 (enrdf_load_stackoverflow) | 1988-12-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4112735A (en) | Detection of bubbles in a liquid | |
JPH07229963A (ja) | 航跡の検出方法 | |
US20200200898A1 (en) | Acoustic distance measuring circuit and method for low frequency modulated (lfm) chirp signals | |
JPS58122479A (ja) | 水中航走体誘導装置における残響低減回路 | |
US5035245A (en) | Ultrasonic Doppler blood flow velocity detection apparatus | |
US4603589A (en) | Ultrasonic flowmeter | |
US3171094A (en) | Heterodyne autocorrelation transponder | |
GB1181047A (en) | Sonic Detecting and Measuring Apparatus | |
GB1350685A (en) | Acoustical method and device for monitoring small distances | |
JP2003043017A (ja) | 超音波気泡検出装置 | |
US3884170A (en) | Control system for torpedoes | |
JP2674375B2 (ja) | 静止型水中音響模擬標的装置 | |
JPS5845673B2 (ja) | 超音波式物体検知器 | |
JP2601053B2 (ja) | 水中航走体用アクティブソーナー装置 | |
JP2001174545A (ja) | 水中静止目標物検知方法及び装置 | |
GB1355894A (en) | Method and apparatus for detecting the position of an object | |
US5272908A (en) | Flame position ultrasonic interferometer | |
EP0056135A2 (en) | Flowmeter system with improved dynamic range | |
JPS58216918A (ja) | 液体検知方法及びその検知装置 | |
JPS5918642B2 (ja) | ヘンイイチケンシユツソウチ | |
JPH0134133Y2 (enrdf_load_stackoverflow) | ||
JPS58223714A (ja) | 液体検知方法及び装置 | |
SU920395A1 (ru) | Устройство дл бесконтактного измерени скорости вибрации | |
JPH0245834B2 (enrdf_load_stackoverflow) | ||
JPH10123230A (ja) | 水中音響静止標的 |