DE1249361B - - Google Patents
Info
- Publication number
- DE1249361B DE1249361B DENDAT1249361D DE1249361DA DE1249361B DE 1249361 B DE1249361 B DE 1249361B DE NDAT1249361 D DENDAT1249361 D DE NDAT1249361D DE 1249361D A DE1249361D A DE 1249361DA DE 1249361 B DE1249361 B DE 1249361B
- Authority
- DE
- Germany
- 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.)
- Pending
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
- 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)
- Traffic Control Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB40393/61A GB1021551A (en) | 1961-11-10 | 1961-11-10 | Radio navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1249361B true DE1249361B (de) |
Family
ID=10414678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1249361D Pending DE1249361B (de) | 1961-11-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3234554A (de) |
| BE (1) | BE624593A (de) |
| CH (1) | CH420289A (de) |
| DE (1) | DE1249361B (de) |
| GB (1) | GB1021551A (de) |
| NL (1) | NL285388A (de) |
| SE (1) | SE320710B (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE636626A (de) * | 1962-08-27 | |||
| DE1237647B (de) * | 1963-03-09 | 1967-03-30 | Standard Elektrik Lorenz Ag | Allrichtungs-Funkortungsverfahren nach dem Dopplerprinzip |
| US3412405A (en) * | 1964-09-14 | 1968-11-19 | Motorola Inc | Side lobe response reducing system |
| US3383689A (en) * | 1964-11-11 | 1968-05-14 | Japan Broadcasting Corp | Directional wave receiving system |
| GB1225190A (de) * | 1968-09-23 | 1971-03-17 | ||
| GB1234541A (de) * | 1969-02-05 | 1971-06-03 | ||
| GB1236141A (en) * | 1969-03-07 | 1971-06-23 | Standard Telephones Cables Ltd | Radio navigation system |
| BE759259A (fr) * | 1969-11-24 | 1971-05-24 | Int Standard Electric Corp | Procede de mesure de frequence |
| US3704465A (en) * | 1970-08-28 | 1972-11-28 | Hazeltine Corp | Angular position determining system compensated for doppler |
| US3798645A (en) * | 1970-08-28 | 1974-03-19 | Hazeltine Corp | Angular position determining systems using time scanned arrays |
| GB1335899A (en) * | 1971-08-20 | 1973-10-31 | Standard Telephones Cables Ltd | Radio navigation beacon |
| GB2124849A (en) * | 1982-07-29 | 1984-02-22 | David Arthur Tong | Direction finding systems |
| US4912479A (en) * | 1986-03-26 | 1990-03-27 | Nec Corporation | Microwave landing system |
| WO1988009938A1 (en) * | 1987-06-05 | 1988-12-15 | The Secretary Of State For Defence In Her Britanni | Method and apparatus for processing synthetic aperture aerial signals |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422333A (en) * | 1942-10-19 | 1947-06-17 | Rca Corp | Pulse-echo control system |
-
0
- DE DENDAT1249361D patent/DE1249361B/de active Pending
- NL NL285388D patent/NL285388A/xx unknown
- BE BE624593D patent/BE624593A/xx unknown
-
1961
- 1961-11-10 GB GB40393/61A patent/GB1021551A/en not_active Expired
-
1962
- 1962-10-30 US US234091A patent/US3234554A/en not_active Expired - Lifetime
- 1962-11-06 CH CH1294162A patent/CH420289A/de unknown
- 1962-11-09 SE SE12044/62A patent/SE320710B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1021551A (en) | 1966-03-02 |
| SE320710B (de) | 1970-02-16 |
| NL285388A (de) | |
| US3234554A (en) | 1966-02-08 |
| CH420289A (de) | 1966-09-15 |
| BE624593A (de) |