DE2618212C3 - Verfahren zur Kreuzkopplung von Empfangssignalen bei Hyperbelnavigationssystemen - Google Patents
Verfahren zur Kreuzkopplung von Empfangssignalen bei HyperbelnavigationssystemenInfo
- Publication number
- DE2618212C3 DE2618212C3 DE2618212A DE2618212A DE2618212C3 DE 2618212 C3 DE2618212 C3 DE 2618212C3 DE 2618212 A DE2618212 A DE 2618212A DE 2618212 A DE2618212 A DE 2618212A DE 2618212 C3 DE2618212 C3 DE 2618212C3
- Authority
- DE
- Germany
- Prior art keywords
- signal
- phase
- signals
- khz
- phase error
- 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
- 238000006880 cross-coupling reaction Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 32
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000116 mitigating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 25
- 238000012937 correction Methods 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000014509 gene expression Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 108010076504 Protein Sorting Signals Proteins 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004044 response 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/12—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/571,920 US3996515A (en) | 1975-04-28 | 1975-04-28 | Method for frequency cross-coupling of channels in an Omega Navigation receiver system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2618212A1 DE2618212A1 (de) | 1976-11-18 |
| DE2618212B2 DE2618212B2 (de) | 1978-04-13 |
| DE2618212C3 true DE2618212C3 (de) | 1978-12-07 |
Family
ID=24285599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2618212A Expired DE2618212C3 (de) | 1975-04-28 | 1976-04-26 | Verfahren zur Kreuzkopplung von Empfangssignalen bei Hyperbelnavigationssystemen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3996515A (enExample) |
| JP (1) | JPS6026984B2 (enExample) |
| DE (1) | DE2618212C3 (enExample) |
| DK (1) | DK150082B (enExample) |
| FR (1) | FR2309880A1 (enExample) |
| GB (1) | GB1530702A (enExample) |
| NO (1) | NO145489C (enExample) |
| SE (1) | SE416243B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57119271A (en) * | 1981-01-17 | 1982-07-24 | Fujitsu Ltd | Decca receiving device |
| US6433531B1 (en) * | 1995-07-25 | 2002-08-13 | Zvi Regev | Method for instantaneous frequency measurement |
| CN119596042B (zh) * | 2024-12-12 | 2025-06-06 | 南京从景生物技术有限公司 | 一种矩形波导定向耦合器测试方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB928421A (en) * | 1959-12-18 | 1963-06-12 | Marconi Wireless Telegraph Co | Improvements in or relating to navigation aiding receivers |
| GB1181134A (en) * | 1967-08-22 | 1970-02-11 | Decca Ltd | Improvements in or relating to Phase Comparison Navigation Systems |
| US3696424A (en) * | 1968-12-23 | 1972-10-03 | Ltv Electrosystems Inc | Method and apparatus for very-low-frequency radio nagigation |
| US3896443A (en) * | 1973-06-01 | 1975-07-22 | Harold P Zitzow | Omega navigation receiver station pair selection and lop display system |
-
1975
- 1975-04-28 US US05/571,920 patent/US3996515A/en not_active Expired - Lifetime
-
1976
- 1976-04-20 GB GB15910/76A patent/GB1530702A/en not_active Expired
- 1976-04-23 NO NO761405A patent/NO145489C/no unknown
- 1976-04-23 SE SE7604713A patent/SE416243B/xx not_active IP Right Cessation
- 1976-04-26 DE DE2618212A patent/DE2618212C3/de not_active Expired
- 1976-04-27 DK DK188176AA patent/DK150082B/da unknown
- 1976-04-27 FR FR7612463A patent/FR2309880A1/fr active Granted
- 1976-04-28 JP JP51049310A patent/JPS6026984B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6026984B2 (ja) | 1985-06-26 |
| FR2309880B1 (enExample) | 1983-02-11 |
| SE7604713L (sv) | 1976-10-29 |
| US3996515A (en) | 1976-12-07 |
| GB1530702A (en) | 1978-11-01 |
| DK150082B (da) | 1986-12-01 |
| DE2618212A1 (de) | 1976-11-18 |
| NO145489B (no) | 1981-12-21 |
| SE416243B (sv) | 1980-12-08 |
| DE2618212B2 (de) | 1978-04-13 |
| FR2309880A1 (fr) | 1976-11-26 |
| DK188176A (da) | 1976-10-29 |
| JPS524189A (en) | 1977-01-13 |
| NO145489C (no) | 1982-03-31 |
| NO761405L (enExample) | 1976-10-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |