LU68793A1 - - Google Patents
Info
- Publication number
- LU68793A1 LU68793A1 LU68793A LU68793A LU68793A1 LU 68793 A1 LU68793 A1 LU 68793A1 LU 68793 A LU68793 A LU 68793A LU 68793 A LU68793 A LU 68793A LU 68793 A1 LU68793 A1 LU 68793A1
- Authority
- LU
- Luxembourg
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7241467A FR2207282B1 (enrdf_load_stackoverflow) | 1972-11-22 | 1972-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU68793A1 true LU68793A1 (enrdf_load_stackoverflow) | 1975-08-20 |
Family
ID=9107514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU68793A LU68793A1 (enrdf_load_stackoverflow) | 1972-11-22 | 1973-11-13 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS4997651A (enrdf_load_stackoverflow) |
| BE (1) | BE807214A (enrdf_load_stackoverflow) |
| DE (1) | DE2358085A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2207282B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1430051A (enrdf_load_stackoverflow) |
| IT (1) | IT1016025B (enrdf_load_stackoverflow) |
| LU (1) | LU68793A1 (enrdf_load_stackoverflow) |
| NL (1) | NL7316008A (enrdf_load_stackoverflow) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961721A (ja) * | 1982-10-01 | 1984-04-09 | Bridgestone Corp | 音源探索方法および装置 |
| FR2599860B1 (fr) * | 1984-03-22 | 1989-12-01 | France Etat Armement | Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres |
| EP0219339A3 (en) * | 1985-10-14 | 1988-03-23 | Gec Avionics Limited | Acoustic direction finder for use as an active range finder |
| GB2181546B (en) * | 1985-10-14 | 1989-09-27 | Gec Avionics | An acoustic device |
| GB2202942B (en) * | 1987-03-21 | 1991-08-21 | Ferranti Plc | Production of directionally limited acoustic power spectra |
| AUPR612001A0 (en) * | 2001-07-04 | 2001-07-26 | Soundscience@Wm Pty Ltd | System and method for directional noise monitoring |
| DE102005049321B4 (de) * | 2005-10-12 | 2007-09-06 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zum Bestimmen der angeregten akustischen Moden der einem Triebwerk zugeordneten Schalldrücke |
| US7738319B2 (en) | 2007-03-08 | 2010-06-15 | Raytheon Company | Determining angles of arrival using multipaths |
| WO2008112445A1 (en) | 2007-03-12 | 2008-09-18 | Raytheon Company | Systems and methods for detection and analysis of amplitude modulation of underwater sound |
| US8107320B2 (en) | 2008-03-12 | 2012-01-31 | Raytheon Company | Autonomous sonar system and method |
| ATE556329T1 (de) | 2008-08-26 | 2012-05-15 | Nuance Communications Inc | Verfahren und vorrichtung zum lokalisieren einer schallquelle |
| CN103988090A (zh) * | 2011-11-24 | 2014-08-13 | 丰田自动车株式会社 | 声源检测装置 |
-
1972
- 1972-11-22 FR FR7241467A patent/FR2207282B1/fr not_active Expired
-
1973
- 1973-11-12 BE BE137662A patent/BE807214A/xx unknown
- 1973-11-13 LU LU68793A patent/LU68793A1/xx unknown
- 1973-11-15 GB GB5310573A patent/GB1430051A/en not_active Expired
- 1973-11-21 IT IT5377773A patent/IT1016025B/it active
- 1973-11-21 JP JP13028573A patent/JPS4997651A/ja active Pending
- 1973-11-21 DE DE19732358085 patent/DE2358085A1/de active Pending
- 1973-11-22 NL NL7316008A patent/NL7316008A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1430051A (en) | 1976-03-31 |
| JPS4997651A (enrdf_load_stackoverflow) | 1974-09-14 |
| FR2207282B1 (enrdf_load_stackoverflow) | 1975-01-03 |
| FR2207282A1 (enrdf_load_stackoverflow) | 1974-06-14 |
| NL7316008A (enrdf_load_stackoverflow) | 1974-05-27 |
| BE807214A (fr) | 1974-05-13 |
| DE2358085A1 (de) | 1974-05-30 |
| IT1016025B (it) | 1977-05-30 |