FR2599860B1 - Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres - Google Patents
Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteresInfo
- Publication number
- FR2599860B1 FR2599860B1 FR8404424A FR8404424A FR2599860B1 FR 2599860 B1 FR2599860 B1 FR 2599860B1 FR 8404424 A FR8404424 A FR 8404424A FR 8404424 A FR8404424 A FR 8404424A FR 2599860 B1 FR2599860 B1 FR 2599860B1
- Authority
- FR
- France
- Prior art keywords
- helicopters
- aircraft
- noise
- sound detection
- helicopter
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/001—Acoustic presence detection
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8404424A FR2599860B1 (fr) | 1984-03-22 | 1984-03-22 | Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres |
US06/741,301 US4719606A (en) | 1984-03-22 | 1985-03-14 | Process and device for passive detection of aircraft, namely helicopters |
GB08507272A GB2193316B (en) | 1984-03-22 | 1985-03-20 | A process and device for the detection of aircraft |
DE19853510469 DE3510469A1 (de) | 1984-03-22 | 1985-03-22 | Verfahren und vorrichtung zur passiven akustischen erfassung von fluggeraeten, insbesondere helikoptern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8404424A FR2599860B1 (fr) | 1984-03-22 | 1984-03-22 | Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2599860A1 FR2599860A1 (fr) | 1987-12-11 |
FR2599860B1 true FR2599860B1 (fr) | 1989-12-01 |
Family
ID=9302324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8404424A Expired FR2599860B1 (fr) | 1984-03-22 | 1984-03-22 | Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres |
Country Status (4)
Country | Link |
---|---|
US (1) | US4719606A (fr) |
DE (1) | DE3510469A1 (fr) |
FR (1) | FR2599860B1 (fr) |
GB (1) | GB2193316B (fr) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5231402A (en) * | 1985-04-02 | 1993-07-27 | Telefunken Systemtechnik Gmbh | Method for detecting and classifying helicopters |
DE3531230A1 (de) * | 1985-08-31 | 1987-03-05 | Krupp Gmbh | Verfahren zur detektion von fahrzeugen |
GB2322986B (en) * | 1987-10-28 | 1998-12-16 | Licentia Gmbh | Method of type classification of a target |
DE3927663C3 (de) * | 1989-08-22 | 1998-11-12 | Hirtenberger Ag | Vorrichtung für die Zielerkennung und Abschußauslösung für abzufeuernde Boden-Luftminen bei der Hubschrauberbekämpfung |
DE3929077C2 (de) * | 1989-09-01 | 1997-01-16 | Matthias Dr Ing Reuter | Verfahren und Einrichtung zur akustischen Identifikation und Klassifikation von Hubschraubern |
US5060206A (en) * | 1990-09-25 | 1991-10-22 | Allied-Signal Inc. | Marine acoustic aerobuoy and method of operation |
DE4035311C1 (en) * | 1990-11-07 | 1991-09-12 | Hans 6451 Mainhausen De Lach | Searching for hot air currents for glider - amplifying filtered output of electroacoustic transducer detecting infra sound to show highest received frequency |
DE4142906A1 (de) * | 1991-12-23 | 1993-06-24 | Atlas Elektronik Gmbh | Verfahren zum detektieren und unterscheiden weit entfernter hubschrauber von anderen fahrzeugen |
US5341435A (en) * | 1992-03-17 | 1994-08-23 | Corbett Technology Company, Inc. | System for detection and recognition of an object by video imaging means |
DE19714422C1 (de) * | 1997-04-08 | 1998-08-06 | Stn Atlas Elektronik Gmbh | Einrichtung mit mindestens einem akustischen Sensor |
IL126001A (en) * | 1998-08-31 | 2001-08-26 | Israel State | Underwater launched acoustic warning assembly |
US6288974B1 (en) | 1999-03-30 | 2001-09-11 | The United States Of Americas As Represented By The Secretary Of The Navy | System and method for enhancing detection of objects through an obscuring medium |
US7149147B1 (en) * | 2004-09-02 | 2006-12-12 | The United States Of America As Represented By The Secretary Of The Army | System and method for sound detection and image using a rotocraft acoustic signature |
US8036821B2 (en) * | 2007-12-18 | 2011-10-11 | Honeywell International Inc. | Methods and systems for diminishing the effects of an acoustic signature of vehicles |
EP2154551A1 (fr) * | 2008-08-12 | 2010-02-17 | Geolab S.a.s. | Procédé de détection de modifications dans une occurrence d'hydrocarbures |
US20160091362A1 (en) * | 2014-09-29 | 2016-03-31 | Fredric H. Schmitz | Aircraft flight characteristic measurement |
US20240027577A1 (en) * | 2022-07-20 | 2024-01-25 | Applied Concepts, Inc. | Adaptive fan noise suppression for traffic radar systems |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4158832A (en) * | 1961-06-19 | 1979-06-19 | The United States Of America As Represented By The Secretary Of The Army | Seismic apparatus for discrimination between track-type vehicles and wheel-type vehicles |
DE1616217C1 (de) * | 1968-02-14 | 1977-09-15 | Fraunhofer Ges Forschung | Verfahren zum Verarbeiten von stochastischen akustischen Signalen |
US3939465A (en) * | 1969-05-14 | 1976-02-17 | Raytheon Company | Remote underwater device activating system |
US3605029A (en) * | 1969-06-30 | 1971-09-14 | Raytheon Co | Signal detection apparatus |
US3691549A (en) * | 1970-12-02 | 1972-09-12 | Sylvania Electric Prod | Signal processor |
US3714620A (en) * | 1970-12-18 | 1973-01-30 | Us Navy | Sonic aircraft vehicle discriminator |
US4189701A (en) * | 1971-03-09 | 1980-02-19 | The United States Of America As Represented By The Secretary Of The Navy | Hydroacoustic detection system |
US3824532A (en) * | 1971-09-27 | 1974-07-16 | Us Air Force | Seismic signal intrusion detection classification system |
US3781782A (en) * | 1972-10-20 | 1973-12-25 | Gen Electric | Directive acoustic array for noise source localization |
FR2207282B1 (fr) * | 1972-11-22 | 1975-01-03 | Erap Elf Entr Rech Activ Petro | |
US4337528A (en) * | 1972-12-13 | 1982-06-29 | The United States Of America As Represented By The Secretary Of The Air Force | Moving vehicle seismic target detector |
US4038656A (en) * | 1974-03-27 | 1977-07-26 | The United States Of America As Represented By The Secretary Of The Air Force | Helicopter discrimination apparatus for the murine radar |
GB1514792A (en) * | 1974-07-12 | 1978-06-21 | Nippon Seiko Kk | Device for detecting damage to rotators |
US4310904A (en) * | 1974-09-30 | 1982-01-12 | Sanders Associates, Inc. | Ambient sea noise elimination method and apparatus |
DE2829239C1 (de) * | 1978-07-04 | 1983-06-09 | Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg | Verfahren und Anordnung zur Erkennung eines anfliegenden Hubschraubers zum Zweck einer Abwehraktion |
US4360795A (en) * | 1980-10-03 | 1982-11-23 | Honeywell, Inc. | Detection means |
JPS57178116A (en) * | 1980-12-15 | 1982-11-02 | Chishitsu Keisoku Kk | Discriminating device for flying sound of aircraft |
DE3101928C2 (de) * | 1981-01-22 | 1983-03-31 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Vorrichtung für die Diskriminierung überfliegender Flugzeuge |
DE3204874C2 (de) * | 1982-02-11 | 1994-07-14 | Atlas Elektronik Gmbh | Passives Verfahren zum Gewinnen von Zieldaten von einer Schallquelle |
FR2533100B1 (fr) * | 1982-09-09 | 1986-06-27 | Sintra Alcatel Sa | Procede et dispositif d'attenuation de bruits parasites |
-
1984
- 1984-03-22 FR FR8404424A patent/FR2599860B1/fr not_active Expired
-
1985
- 1985-03-14 US US06/741,301 patent/US4719606A/en not_active Expired - Lifetime
- 1985-03-20 GB GB08507272A patent/GB2193316B/en not_active Expired
- 1985-03-22 DE DE19853510469 patent/DE3510469A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB8507272D0 (en) | 1987-09-09 |
GB2193316B (en) | 1988-07-06 |
FR2599860A1 (fr) | 1987-12-11 |
DE3510469A1 (de) | 1988-01-21 |
DE3510469C2 (fr) | 1991-04-11 |
US4719606A (en) | 1988-01-12 |
GB2193316A (en) | 1988-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
TP | Transmission of property | ||
CL | Concession to grant licences |