DK168465B1 - Apparat til detektering af fartøjer - Google Patents
Apparat til detektering af fartøjer Download PDFInfo
- Publication number
- DK168465B1 DK168465B1 DK414786A DK414786A DK168465B1 DK 168465 B1 DK168465 B1 DK 168465B1 DK 414786 A DK414786 A DK 414786A DK 414786 A DK414786 A DK 414786A DK 168465 B1 DK168465 B1 DK 168465B1
- Authority
- DK
- Denmark
- Prior art keywords
- bearing
- threshold
- frequency
- circuit
- vessel
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title claims description 55
- 238000001228 spectrum Methods 0.000 claims description 33
- 230000003595 spectral effect Effects 0.000 claims description 29
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000036962 time dependent Effects 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 241000251729 Elasmobranchii Species 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Radar, Positioning & Navigation (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853531230 DE3531230A1 (de) | 1985-08-31 | 1985-08-31 | Verfahren zur detektion von fahrzeugen |
| DE3531230 | 1985-08-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK414786D0 DK414786D0 (da) | 1986-08-29 |
| DK414786A DK414786A (da) | 1987-03-01 |
| DK168465B1 true DK168465B1 (da) | 1994-03-28 |
Family
ID=6279893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK414786A DK168465B1 (da) | 1985-08-31 | 1986-08-29 | Apparat til detektering af fartøjer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0213541B1 (enrdf_load_stackoverflow) |
| DE (2) | DE3531230A1 (enrdf_load_stackoverflow) |
| DK (1) | DK168465B1 (enrdf_load_stackoverflow) |
| NO (1) | NO169921C (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2202942B (en) * | 1987-03-21 | 1991-08-21 | Ferranti Plc | Production of directionally limited acoustic power spectra |
| DE3832678C2 (de) * | 1988-09-27 | 2001-10-18 | Stn Atlas Elektronik Gmbh | Peilverfahren und Vorrichtung zu dessen Durchführung |
| DE3934745C1 (enrdf_load_stackoverflow) * | 1989-10-18 | 1990-11-15 | Heinrich Prof. Dr.Rer.Nat. 4630 Bochum De Baule | |
| DE4132964C1 (en) * | 1991-10-04 | 1992-07-30 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Der Verteidigung, Dieser Vertreten Durch Den Praesidenten Des Bundesamtes Fuer Wehrtechnik Und Beschaffung, 5400 Koblenz, De | Registering acoustic near field of marine vessel - using platform for hydrophones and distance sensors at set spacing to locate dominant sources e.g. engine, generator |
| DE4243831A1 (de) * | 1992-12-23 | 1994-06-30 | Daimler Benz Ag | Verfahren zur Laufzeitschätzung an gestörten Sprachkanälen |
| DE19505052C2 (de) * | 1994-04-20 | 1997-03-13 | Fraunhofer Ges Forschung | Diebstahlsicherung für Fahrzeuge in Parkhäusern |
| DE102008007851B3 (de) * | 2008-02-07 | 2009-03-19 | Atlas Elektronik Gmbh | Verfahren zum Leiten eines Torpedoangriffs |
| DE102010056526B4 (de) * | 2010-12-29 | 2016-08-11 | Atlas Elektronik Gmbh | Verfahren zum Bestimmen einer oder mehrerer relativer Richtungen als Zielpeilung oder Zielpeilungen sowie Vorrichtung zur Ausführung des Verfahrens |
| DE102012000788B4 (de) | 2012-01-17 | 2013-10-10 | Atlas Elektronik Gmbh | Verfahren und Vorrichtung zum Verarbeiten von Wasserschallsignalen |
| DE102012015638A1 (de) * | 2012-08-07 | 2014-02-13 | Atlas Elektronik Gmbh | Verfahren und Vorrichtung zum Klassifizieren von Wasserfahrzeugen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4189701A (en) * | 1971-03-09 | 1980-02-19 | The United States Of America As Represented By The Secretary Of The Navy | Hydroacoustic detection system |
| JPS5614931A (en) * | 1979-07-18 | 1981-02-13 | Nissan Motor Co Ltd | Knocking intensity determining device |
| GB2104218B (en) * | 1981-07-28 | 1984-08-30 | Ferranti Ltd | Detecting harmonically-rich acoustic sources |
| DE3204874C2 (de) * | 1982-02-11 | 1994-07-14 | Atlas Elektronik Gmbh | Passives Verfahren zum Gewinnen von Zieldaten von einer Schallquelle |
| DE3222255A1 (de) * | 1982-06-14 | 1983-12-15 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur ermittlung und darstellung von zieldaten |
| FR2599860B1 (fr) * | 1984-03-22 | 1989-12-01 | France Etat Armement | Procede et dispositif pour la detection acoustique passive d'aeronefs, notamment d'helicopteres |
-
1985
- 1985-08-31 DE DE19853531230 patent/DE3531230A1/de active Granted
-
1986
- 1986-08-19 DE DE8686111468T patent/DE3676905D1/de not_active Expired - Lifetime
- 1986-08-19 EP EP86111468A patent/EP0213541B1/de not_active Expired - Lifetime
- 1986-08-29 DK DK414786A patent/DK168465B1/da not_active IP Right Cessation
- 1986-08-29 NO NO863465A patent/NO169921C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO169921C (no) | 1992-08-19 |
| DK414786D0 (da) | 1986-08-29 |
| EP0213541A3 (en) | 1988-11-09 |
| DE3531230A1 (de) | 1987-03-05 |
| DE3676905D1 (de) | 1991-02-21 |
| EP0213541B1 (de) | 1991-01-16 |
| EP0213541A2 (de) | 1987-03-11 |
| NO863465D0 (no) | 1986-08-29 |
| NO169921B (no) | 1992-05-11 |
| DK414786A (da) | 1987-03-01 |
| NO863465L (no) | 1987-03-02 |
| DE3531230C2 (enrdf_load_stackoverflow) | 1989-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B1 | Patent granted (law 1993) | ||
| PBP | Patent lapsed |