IT1030861B - Apparecchiatura artieco poer radionavigazione - Google Patents
Apparecchiatura artieco poer radionavigazioneInfo
- Publication number
- IT1030861B IT1030861B IT30102/74A IT3010274A IT1030861B IT 1030861 B IT1030861 B IT 1030861B IT 30102/74 A IT30102/74 A IT 30102/74A IT 3010274 A IT3010274 A IT 3010274A IT 1030861 B IT1030861 B IT 1030861B
- Authority
- IT
- Italy
- Prior art keywords
- artieco
- poer
- radionavigation equipment
- radionavigation
- equipment
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5651373A GB1434427A (en) | 1973-12-06 | 1973-12-06 | Radio navigation aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1030861B true IT1030861B (it) | 1979-04-10 |
Family
ID=10476812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT30102/74A IT1030861B (it) | 1973-12-06 | 1974-12-03 | Apparecchiatura artieco poer radionavigazione |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3936829A (it) |
| GB (1) | GB1434427A (it) |
| IT (1) | IT1030861B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143099A (en) * | 1983-07-07 | 1985-01-30 | Standard Telephones Cables Ltd | Radio direction finding |
| US5334984A (en) * | 1989-06-02 | 1994-08-02 | Tokyo Keiki Co., Ltd. | Method and system for locating direction of transmission source based on wave therefrom |
| US5444451A (en) * | 1992-06-29 | 1995-08-22 | Southwest Research Institute | Passive means for single site radio location |
| US9366761B2 (en) | 2012-08-08 | 2016-06-14 | Honeywell International Inc. | Systems and methods for efficient reception and combining of similar signals received on two or more antennas |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2971190A (en) * | 1945-02-24 | 1961-02-07 | Itt | Position finding system |
| BE474193A (it) * | 1945-02-24 | |||
| US2939136A (en) * | 1956-12-14 | 1960-05-31 | Collins Radio Co | Omni-directional receiving system with directional antenna |
-
1973
- 1973-12-06 GB GB5651373A patent/GB1434427A/en not_active Expired
-
1974
- 1974-12-03 IT IT30102/74A patent/IT1030861B/it active
- 1974-12-05 US US05/529,989 patent/US3936829A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1434427A (en) | 1976-05-05 |
| AU7599274A (en) | 1976-06-03 |
| US3936829A (en) | 1976-02-03 |
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