SE399132B - COORDINATE TRANSFORMER - Google Patents
COORDINATE TRANSFORMERInfo
- Publication number
- SE399132B SE399132B SE7405334A SE7405334A SE399132B SE 399132 B SE399132 B SE 399132B SE 7405334 A SE7405334 A SE 7405334A SE 7405334 A SE7405334 A SE 7405334A SE 399132 B SE399132 B SE 399132B
- Authority
- SE
- Sweden
- Prior art keywords
- coordinate transformer
- transformer
- coordinate
- Prior art date
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
-
- 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
- G01S3/16—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic
- G01S3/22—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived from different combinations of signals from separate antennas, e.g. comparing sum with difference
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732320546 DE2320546C2 (en) | 1973-04-21 | 1973-04-21 | Use of power dividers in a coordinate transformer of an Adcock system |
Publications (1)
Publication Number | Publication Date |
---|---|
SE399132B true SE399132B (en) | 1978-01-30 |
Family
ID=5878983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7405334A SE399132B (en) | 1973-04-21 | 1974-04-19 | COORDINATE TRANSFORMER |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH567269A5 (en) |
DE (1) | DE2320546C2 (en) |
FR (1) | FR2226669B1 (en) |
GB (1) | GB1457308A (en) |
IT (1) | IT1007935B (en) |
SE (1) | SE399132B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2757325A1 (en) * | 1977-12-22 | 1979-07-05 | Licentia Gmbh | Antenna system for emergency relay station - has transceiving antenna and fine and coarse direction finding antennae |
DE2849331A1 (en) * | 1978-11-14 | 1980-05-29 | Licentia Gmbh | Coordinate converter for multichannel directional receiver - has matched distance and direction signal paths and includes ADCOCK antennae |
DE3426567A1 (en) * | 1984-07-19 | 1986-01-23 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Direction-finding arrangement |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1099011B (en) * | 1957-03-02 | 1961-02-09 | Dr Maximilian Waechtler | Antenna reduction circuit for double-channel visual radio direction finder |
DE1132989B (en) * | 1959-11-04 | 1962-07-12 | Telefunken Patent | DF antenna system with several individual antennas arranged in a circle |
DE1766203A1 (en) * | 1968-04-19 | 1971-06-16 | Waechtler Maximilian Dr | Polarization error-free radio direction finder system of small spatial dimensions |
-
1973
- 1973-04-21 DE DE19732320546 patent/DE2320546C2/en not_active Expired
-
1974
- 1974-04-16 IT IT2149074A patent/IT1007935B/en active
- 1974-04-19 SE SE7405334A patent/SE399132B/en unknown
- 1974-04-19 FR FR7413787A patent/FR2226669B1/fr not_active Expired
- 1974-04-19 CH CH542674A patent/CH567269A5/xx not_active IP Right Cessation
- 1974-04-19 GB GB1732674A patent/GB1457308A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2226669B1 (en) | 1980-07-04 |
DE2320546C2 (en) | 1983-07-14 |
GB1457308A (en) | 1976-12-01 |
IT1007935B (en) | 1976-10-30 |
CH567269A5 (en) | 1975-09-30 |
DE2320546A1 (en) | 1974-11-07 |
FR2226669A1 (en) | 1974-11-15 |
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