GB1327585A - Radio navigation system - Google Patents
Radio navigation systemInfo
- Publication number
- GB1327585A GB1327585A GB1327585DA GB1327585A GB 1327585 A GB1327585 A GB 1327585A GB 1327585D A GB1327585D A GB 1327585DA GB 1327585 A GB1327585 A GB 1327585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- array
- count
- beat
- arrays
- degrees
- 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
- 238000003491 array Methods 0.000 abstract 7
- RTEGUCGMXQSZGZ-UHFFFAOYSA-N 5-[(3,4-dichlorophenoxy)methyl]-4,5-dihydro-1,3-oxazol-2-amine Chemical compound O1C(N)=NCC1COC1=CC=C(Cl)C(Cl)=C1 RTEGUCGMXQSZGZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 239000013256 coordination polymer Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000004088 simulation Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
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
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Navigation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2298470 | 1970-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1327585A true GB1327585A (en) | 1973-08-22 |
Family
ID=10188215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1327585D Expired GB1327585A (en) | 1970-05-12 | 1970-05-12 | Radio navigation system |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5145440B1 (enrdf_load_stackoverflow) |
| CA (1) | CA949178A (enrdf_load_stackoverflow) |
| CH (1) | CH524146A (enrdf_load_stackoverflow) |
| DE (1) | DE2123029C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2088516B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1327585A (enrdf_load_stackoverflow) |
| SE (1) | SE369966B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235748U (enrdf_load_stackoverflow) * | 1975-09-04 | 1977-03-14 | ||
| GB201223159D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | Insertable filter unit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1038275A (fr) * | 1950-06-09 | 1953-09-28 | Int Standard Electric Corp | Balises radio-électriques tournantes |
| GB1236141A (en) * | 1969-03-07 | 1971-06-23 | Standard Telephones Cables Ltd | Radio navigation system |
-
1970
- 1970-05-12 GB GB1327585D patent/GB1327585A/en not_active Expired
-
1971
- 1971-05-10 DE DE19712123029 patent/DE2123029C3/de not_active Expired
- 1971-05-11 CH CH694671A patent/CH524146A/de not_active IP Right Cessation
- 1971-05-11 FR FR7116919A patent/FR2088516B1/fr not_active Expired
- 1971-05-12 CA CA112,832A patent/CA949178A/en not_active Expired
- 1971-05-12 SE SE613871A patent/SE369966B/xx unknown
- 1971-05-12 JP JP46031260A patent/JPS5145440B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5145440B1 (enrdf_load_stackoverflow) | 1976-12-03 |
| DE2123029B2 (enrdf_load_stackoverflow) | 1979-10-18 |
| CA949178A (en) | 1974-06-11 |
| CH524146A (de) | 1972-06-15 |
| FR2088516B1 (enrdf_load_stackoverflow) | 1976-12-03 |
| FR2088516A1 (enrdf_load_stackoverflow) | 1972-01-07 |
| SE369966B (enrdf_load_stackoverflow) | 1974-09-23 |
| DE2123029A1 (de) | 1971-11-25 |
| DE2123029C3 (de) | 1980-07-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |