FR2252578A1 - - Google Patents
Info
- Publication number
- FR2252578A1 FR2252578A1 FR7438562A FR7438562A FR2252578A1 FR 2252578 A1 FR2252578 A1 FR 2252578A1 FR 7438562 A FR7438562 A FR 7438562A FR 7438562 A FR7438562 A FR 7438562A FR 2252578 A1 FR2252578 A1 FR 2252578A1
- Authority
- FR
- France
- 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
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
- G01S3/02—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 radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/302—Systems in which the direction is determined by using an interferometric type transmitting antenna array
-
- 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
- G01S3/02—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 radio waves
- G01S3/023—Monitoring or calibrating
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2358585A DE2358585C3 (de) | 1973-11-24 | 1973-11-24 | Funkpeiler und nach dem Reziprozitätsgesetz arbeitendes Funkfeuer |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2252578A1 true FR2252578A1 (fr) | 1975-06-20 |
FR2252578B1 FR2252578B1 (fr) | 1980-11-14 |
Family
ID=5898949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7438562A Expired FR2252578B1 (fr) | 1973-11-24 | 1974-11-25 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3973262A (fr) |
CH (1) | CH578739A5 (fr) |
DE (1) | DE2358585C3 (fr) |
FR (1) | FR2252578B1 (fr) |
GB (1) | GB1455929A (fr) |
IT (1) | IT1025844B (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2289922A1 (fr) * | 1974-10-31 | 1976-05-28 | Licentia Gmbh | Methode de test de radiogoniometres a reseaux d'antennes adcock |
FR2476854A1 (fr) * | 1978-10-13 | 1981-08-28 | Marconi Co Ltd | Appareil de radiogoniometrie |
FR2627595A1 (fr) * | 1988-02-23 | 1989-08-25 | Thomson Csf | Procede et dispositif de radiolocalisation et leurs utilisations dans des systemes de radiocommunication |
WO2007131923A1 (fr) * | 2006-05-16 | 2007-11-22 | Thales | Procede de determination de la position, notamment en elevation, d'une cible volant a tres basse altitude |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2630851A1 (de) * | 1976-07-09 | 1978-01-12 | Standard Elektrik Lorenz Ag | Bezugsstation fuer ein entfernungsmessystem |
GB1536960A (en) * | 1976-12-02 | 1978-12-29 | Secr Defence | Radio direction finding |
DE2717997C2 (de) * | 1977-04-22 | 1982-04-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Monopulspeiler zur Azimut- und/oder Elevationsmessung |
GB2140238A (en) * | 1983-05-11 | 1984-11-21 | Racal Communications Equip | Direction finding |
DE3322948A1 (de) * | 1983-06-25 | 1985-01-10 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Grossbasispeiler mit kreisfoermig angeordneten antennen |
GB2143099A (en) * | 1983-07-07 | 1985-01-30 | Standard Telephones Cables Ltd | Radio direction finding |
GB2147760B (en) * | 1983-10-07 | 1987-04-15 | Racal Res Ltd | Direction finding systems |
GB2189363A (en) * | 1986-04-18 | 1987-10-21 | Philips Electronic Associated | Radio direction-finding |
FR2601460B1 (fr) * | 1986-07-10 | 1988-12-02 | Onera (Off Nat Aerospatiale) | Installation pour la detection et la localisation spatiale par mesure interferometrique, en temps reel et a grande distance, des decharges de foudre |
DE3637655A1 (de) * | 1986-11-05 | 1988-05-19 | Siemens Ag | Rundsuchradarverfahren mit hoehenfindung |
US5898402A (en) * | 1997-05-30 | 1999-04-27 | Federal Communications Commission/Compliance And Information Bureau/Equipment Development Group | Wide aperature radio frequency data acquisition system |
US6188357B1 (en) * | 1998-09-17 | 2001-02-13 | Novatel Inc. | System and method for mitigating static carrier-phase multipath effects |
US7576686B2 (en) * | 2006-08-07 | 2009-08-18 | Garmin International, Inc. | Method and system for calibrating an antenna array for an aircraft surveillance system |
US7439901B2 (en) * | 2006-08-08 | 2008-10-21 | Garmin International, Inc. | Active phased array antenna for aircraft surveillance systems |
US20080055150A1 (en) * | 2006-09-06 | 2008-03-06 | Garmin International, Inc. | Method and system for detecting and decoding air traffic control reply signals |
US20080284637A1 (en) * | 2007-02-28 | 2008-11-20 | Garmin International, Inc. | Digital tas transmitter and receiver systems and methods |
US7825858B2 (en) * | 2007-02-28 | 2010-11-02 | Garmin International, Inc. | Methods and systems for frequency independent bearing detection |
US9285206B1 (en) | 2012-02-07 | 2016-03-15 | Pile Dynamics, Inc. | Measurement device for pile displacement and method for use of the same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL290047A (fr) * | 1962-03-14 | |||
US3311738A (en) * | 1962-07-18 | 1967-03-28 | Ca Nat Research Council | Analogue spherical triangle computer |
-
1973
- 1973-11-24 DE DE2358585A patent/DE2358585C3/de not_active Expired
-
1974
- 1974-11-19 GB GB5009374A patent/GB1455929A/en not_active Expired
- 1974-11-20 IT IT29621/74A patent/IT1025844B/it active
- 1974-11-21 US US05/525,843 patent/US3973262A/en not_active Expired - Lifetime
- 1974-11-22 CH CH1559874A patent/CH578739A5/xx not_active IP Right Cessation
- 1974-11-25 FR FR7438562A patent/FR2252578B1/fr not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2289922A1 (fr) * | 1974-10-31 | 1976-05-28 | Licentia Gmbh | Methode de test de radiogoniometres a reseaux d'antennes adcock |
FR2476854A1 (fr) * | 1978-10-13 | 1981-08-28 | Marconi Co Ltd | Appareil de radiogoniometrie |
FR2627595A1 (fr) * | 1988-02-23 | 1989-08-25 | Thomson Csf | Procede et dispositif de radiolocalisation et leurs utilisations dans des systemes de radiocommunication |
EP0330541A1 (fr) * | 1988-02-23 | 1989-08-30 | Thomson-Csf | Procédé et dispositif de radiolocalisation et leurs utilisations dans des systèmes de radiocommunication |
WO2007131923A1 (fr) * | 2006-05-16 | 2007-11-22 | Thales | Procede de determination de la position, notamment en elevation, d'une cible volant a tres basse altitude |
FR2901613A1 (fr) * | 2006-05-16 | 2007-11-30 | Thales Sa | Procede de determination de la position, notamment en elevation, d'une cible volant a tres basse altitude |
US7994964B2 (en) | 2006-05-16 | 2011-08-09 | Thales | Method for determining the position, notably in terms of elevation, of a target flying at very low altitude |
Also Published As
Publication number | Publication date |
---|---|
DE2358585B2 (de) | 1979-03-29 |
FR2252578B1 (fr) | 1980-11-14 |
DE2358585C3 (de) | 1979-11-15 |
CH578739A5 (fr) | 1976-08-13 |
IT1025844B (it) | 1978-08-30 |
US3973262A (en) | 1976-08-03 |
DE2358585A1 (de) | 1975-06-05 |
GB1455929A (fr) | 1976-11-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |