GB519462A - Method and means for determining absolute direction of propagation of electromagnetic waves - Google Patents
Method and means for determining absolute direction of propagation of electromagnetic wavesInfo
- Publication number
- GB519462A GB519462A GB21997/39A GB2199739A GB519462A GB 519462 A GB519462 A GB 519462A GB 21997/39 A GB21997/39 A GB 21997/39A GB 2199739 A GB2199739 A GB 2199739A GB 519462 A GB519462 A GB 519462A
- Authority
- GB
- United Kingdom
- Prior art keywords
- absolute direction
- plane
- fields
- propagation
- strengths
- 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
- 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
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 |
---|---|---|---|
FR519462X | 1937-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB519462A true GB519462A (en) | 1940-03-27 |
Family
ID=8916411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21997/39A Expired GB519462A (en) | 1937-09-17 | 1938-09-13 | Method and means for determining absolute direction of propagation of electromagnetic waves |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB519462A (enrdf_load_html_response) |
NL (1) | NL55148C (enrdf_load_html_response) |
-
0
- NL NL55148D patent/NL55148C/xx active
-
1938
- 1938-09-13 GB GB21997/39A patent/GB519462A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL55148C (enrdf_load_html_response) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2213273A (en) | Radio direction finding apparatus | |
US2948892A (en) | Precision indicating radar system | |
GB633832A (en) | Improvements in or relating to navigation aiding radio systems | |
CN106093898A (zh) | 一种分区域式的mimo阵列校准方法 | |
US2277464A (en) | Radio locating and following system | |
GB519462A (en) | Method and means for determining absolute direction of propagation of electromagnetic waves | |
US2083945A (en) | Apparatus for indicating veloctty | |
US3129426A (en) | Display-modifying apparatus for radar systems | |
GB605459A (en) | Multiple-course radio beacon | |
US2536496A (en) | Radio system, based on echo pulse principle and utilizing a modified omnidirectionalreceiver, for aiding aircraft landing | |
GB504052A (en) | Devices sensitive to the direction of propagation of electromagnetic waves | |
US2883663A (en) | Means for direction finding and ranging on atmospherics | |
US2151922A (en) | Receiver for electromagnetic waves | |
US3005198A (en) | Vector-phase radio direction finder | |
US2677821A (en) | Blind landing system | |
US2448041A (en) | Direction finder | |
US2480152A (en) | Position indicating system | |
GB574675A (en) | Apparatus for determining the direction of reflecting objects by means of electromagnetic waves | |
GB764032A (en) | Quadrantal error correcting means for magnetic antennas | |
US2852776A (en) | Quadrantal error correcting means for magnetic antennas | |
GB581808A (en) | Improvements relating to radio direction finders | |
US2452388A (en) | Electromagnetic system | |
US2796603A (en) | Composite video system using unblanking voltage developed from triggers bracketing the video train | |
US2562341A (en) | Alternating azimuth sweep | |
JPS5425194A (en) | Secondary radar unit |