FR1329895A - Système de radionavigation - Google Patents
Système de radionavigationInfo
- Publication number
- FR1329895A FR1329895A FR905116A FR905116A FR1329895A FR 1329895 A FR1329895 A FR 1329895A FR 905116 A FR905116 A FR 905116A FR 905116 A FR905116 A FR 905116A FR 1329895 A FR1329895 A FR 1329895A
- Authority
- FR
- France
- Prior art keywords
- navigation system
- radio navigation
- radio
- navigation
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
- G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR905116A FR1329895A (fr) | 1961-07-28 | 1962-07-26 | Système de radionavigation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2751061A GB1003317A (en) | 1961-07-28 | 1961-07-28 | Radio navigational system |
FR905116A FR1329895A (fr) | 1961-07-28 | 1962-07-26 | Système de radionavigation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1329895A true FR1329895A (fr) | 1963-06-14 |
Family
ID=26196808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR905116A Expired FR1329895A (fr) | 1961-07-28 | 1962-07-26 | Système de radionavigation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1329895A (fr) |
-
1962
- 1962-07-26 FR FR905116A patent/FR1329895A/fr not_active Expired
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