DE1541403A1 - Navigationssystem - Google Patents
NavigationssystemInfo
- Publication number
- DE1541403A1 DE1541403A1 DE19661541403 DE1541403A DE1541403A1 DE 1541403 A1 DE1541403 A1 DE 1541403A1 DE 19661541403 DE19661541403 DE 19661541403 DE 1541403 A DE1541403 A DE 1541403A DE 1541403 A1 DE1541403 A1 DE 1541403A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- antennas
- navigation system
- antenna
- signal
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims description 30
- 230000035559 beat frequency Effects 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000010363 phase shift Effects 0.000 claims description 2
- 239000000969 carrier Substances 0.000 claims 2
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 16
- 238000013459 approach Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 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
- G01S1/20—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
- G01S1/22—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 frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves
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)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4173565A GB1121096A (en) | 1965-10-01 | 1965-10-01 | Radio navigation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1541403A1 true DE1541403A1 (de) | 1969-07-24 |
Family
ID=10421129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661541403 Pending DE1541403A1 (de) | 1965-10-01 | 1966-09-30 | Navigationssystem |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1541403A1 (enExample) |
| GB (1) | GB1121096A (enExample) |
| NL (1) | NL6613723A (enExample) |
-
1965
- 1965-10-01 GB GB4173565A patent/GB1121096A/en not_active Expired
-
1966
- 1966-09-29 NL NL6613723A patent/NL6613723A/xx unknown
- 1966-09-30 DE DE19661541403 patent/DE1541403A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6613723A (enExample) | 1967-04-03 |
| GB1121096A (en) | 1968-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |