GB1338863A - Navigation receiver for use in a low frequency navigation system - Google Patents
Navigation receiver for use in a low frequency navigation systemInfo
- Publication number
- GB1338863A GB1338863A GB1263672A GB1263672A GB1338863A GB 1338863 A GB1338863 A GB 1338863A GB 1263672 A GB1263672 A GB 1263672A GB 1263672 A GB1263672 A GB 1263672A GB 1338863 A GB1338863 A GB 1338863A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phase
- receiver
- frequency
- lane
- march
- 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
- 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
- G01S1/308—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 particularly adapted to Omega systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12972171A | 1971-03-31 | 1971-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1338863A true GB1338863A (en) | 1973-11-28 |
Family
ID=22441282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1263672A Expired GB1338863A (en) | 1971-03-31 | 1972-03-17 | Navigation receiver for use in a low frequency navigation system |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA969259A (https=) |
| DE (1) | DE2215304A1 (https=) |
| FR (1) | FR2132223A1 (https=) |
| GB (1) | GB1338863A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2209257B1 (https=) * | 1972-12-01 | 1978-04-21 | Neo Tec Etude Applic Tech | |
| DE3909758A1 (de) * | 1989-03-23 | 1990-10-04 | Fraunhofer Ges Forschung | Verfahren zur eigenortung bewegter objekte aufgrund von langwelligen, gegenseitigen phasenstarren signalen |
-
1972
- 1972-01-20 CA CA132,848A patent/CA969259A/en not_active Expired
- 1972-03-17 GB GB1263672A patent/GB1338863A/en not_active Expired
- 1972-03-29 DE DE19722215304 patent/DE2215304A1/de active Pending
- 1972-03-30 FR FR7211179A patent/FR2132223A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2215304A1 (de) | 1972-10-05 |
| FR2132223A1 (https=) | 1972-11-17 |
| CA969259A (en) | 1975-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |