FR2362458A1 - Procede et appareil de radionavigation - Google Patents
Procede et appareil de radionavigationInfo
- Publication number
- FR2362458A1 FR2362458A1 FR7625234A FR7625234A FR2362458A1 FR 2362458 A1 FR2362458 A1 FR 2362458A1 FR 7625234 A FR7625234 A FR 7625234A FR 7625234 A FR7625234 A FR 7625234A FR 2362458 A1 FR2362458 A1 FR 2362458A1
- Authority
- FR
- France
- Prior art keywords
- beacons
- sum
- channel
- fourier
- navigation system
- 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.)
- 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
- 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
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
-
- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/10—Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7625234A FR2362458A1 (fr) | 1976-08-19 | 1976-08-19 | Procede et appareil de radionavigation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7625234A FR2362458A1 (fr) | 1976-08-19 | 1976-08-19 | Procede et appareil de radionavigation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2362458A1 true FR2362458A1 (fr) | 1978-03-17 |
FR2362458B1 FR2362458B1 (US07709020-20100504-C00041.png) | 1982-08-06 |
Family
ID=9177011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7625234A Granted FR2362458A1 (fr) | 1976-08-19 | 1976-08-19 | Procede et appareil de radionavigation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2362458A1 (US07709020-20100504-C00041.png) |
-
1976
- 1976-08-19 FR FR7625234A patent/FR2362458A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2362458B1 (US07709020-20100504-C00041.png) | 1982-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |