DE3909758C2 - - Google Patents
Info
- Publication number
- DE3909758C2 DE3909758C2 DE19893909758 DE3909758A DE3909758C2 DE 3909758 C2 DE3909758 C2 DE 3909758C2 DE 19893909758 DE19893909758 DE 19893909758 DE 3909758 A DE3909758 A DE 3909758A DE 3909758 C2 DE3909758 C2 DE 3909758C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- phase
- local oscillator
- wave
- long
- 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 - Fee Related
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
- 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
- G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems
-
- 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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893909758 DE3909758A1 (de) | 1989-03-23 | 1989-03-23 | Verfahren zur eigenortung bewegter objekte aufgrund von langwelligen, gegenseitigen phasenstarren signalen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893909758 DE3909758A1 (de) | 1989-03-23 | 1989-03-23 | Verfahren zur eigenortung bewegter objekte aufgrund von langwelligen, gegenseitigen phasenstarren signalen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3909758A1 DE3909758A1 (de) | 1990-10-04 |
| DE3909758C2 true DE3909758C2 (enExample) | 1993-03-04 |
Family
ID=6377141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893909758 Granted DE3909758A1 (de) | 1989-03-23 | 1989-03-23 | Verfahren zur eigenortung bewegter objekte aufgrund von langwelligen, gegenseitigen phasenstarren signalen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3909758A1 (enExample) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3471856A (en) * | 1967-05-22 | 1969-10-07 | Nasa | Position location and data collection system and method |
| DE2035202C3 (de) * | 1969-08-01 | 1979-08-02 | Teledyne Inc., Los Angeles, Calif. (V.St.A.) | Hyperbel-Navigationssystem mit einer Relaisstation |
| GB1351185A (en) * | 1970-05-07 | 1974-04-24 | Dynell Elec | Radio navigation receivers |
| CA969259A (en) * | 1971-03-31 | 1975-06-10 | Harold W. Jackson | Navigation receiver for use in a low frequency navigation system |
| US4106022A (en) * | 1972-05-15 | 1978-08-08 | University College Of North Wales | Radio position-determining system |
| US4035802A (en) * | 1973-04-05 | 1977-07-12 | Ove Jagermalm | Method and apparatus for wind measurement |
| US4063244A (en) * | 1975-09-26 | 1977-12-13 | Odom Offshore Surveys, Inc. | Receiver/timing apparatus for a single frequency, time-shared positioning system |
| FI77341C (fi) * | 1987-05-19 | 1989-02-10 | Vaisala Oy | Foerfarande vid oeverfoering av signaler genom anvaendning av smalbandskanal. |
-
1989
- 1989-03-23 DE DE19893909758 patent/DE3909758A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3909758A1 (de) | 1990-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0062872B1 (de) | Empfangssystem | |
| DE19646164A1 (de) | Verfahren zur Übertragung digitaler Signale | |
| DE1762655A1 (de) | Anordnung zur starren Kopplung der Traegerphase unter Benutzung der Korrelation | |
| DE3836219A1 (de) | Verfahren und vorrichtung zum aufsuchen von kabelfehlern | |
| DE1197633C2 (de) | Anordnung zur Messung des Abstandes zwischen zwei voneinander entfernten Stationen | |
| DE19910904A1 (de) | Instrumentenempfänger für digital modulierte Radiofrequenzsignale | |
| EP0146749B1 (de) | Verfahren und Schaltungsanordnung zur Feststellung des Vorhandenseins oder Nichtvorhandenseins mindestens einer Frequenz bekannten Wertes in einem aus mehreren Frequenzen zusammengesetzten Eingangssignal | |
| DE2442985C2 (enExample) | ||
| DE3909758C2 (enExample) | ||
| DE69422178T2 (de) | Verfahren zur demodulation von digital modulierten signalen und demodulator | |
| DE4036452C2 (enExample) | ||
| DE2222735C3 (de) | System zur Übertragung von Phasenkorrekturen in einem Radionavigationssystem, insbesondere einem Differential-OMEGA-System | |
| DE1591408C2 (de) | Vorrichtung zum Empfang mehrerer Eingangssignale gleicher Frequenz | |
| EP0602394A2 (de) | Verfahren und Vorrichtung zur Korrektur der Phasen- und Amplitudenfehler bei direktmischenden Empfangseinrichtungen | |
| DE19531998C2 (de) | Verfahren und Vorrichtung zur Kompensierung des Gleichspannungsanteils und zur Korrektur des Quadraturfehlers einer Basisbandumsetzeinrichtung von Funkempfängern für ein zu detektierendes Empfangssignal | |
| CH627597A5 (en) | Broadcasting system with code signalling | |
| DE10300267B4 (de) | Demodulation eines frequenzmodulierten Empfangssignals durch Abbilden der Nulldurchgänge auf eine Folge von Parameterwerten | |
| DE69318753T2 (de) | Methode und Arrangement zur Demodulierung eines frequenzmodulierten Signals | |
| DE2602916C2 (enExample) | ||
| DE3816462C2 (de) | Vorrichtung zum Aufbereiten von über einen Schmalbandsignal zu übertragenen Signalen | |
| DE10036703A1 (de) | Verfahren und Vorrichtung zur Korrektur eines Resamplers | |
| DE2724376A1 (de) | Verfahren und einrichtung zum messen der empfangsqualitaet eines frequenzmodulerten ukw-signals | |
| DE102004048572A1 (de) | Verfahren sowie Schaltungsanordnung zur Unterdrückung einer orthogonalen Störung | |
| EP1228617A1 (de) | Verfahren und testgerät zur ermittlung und korrektur eines gleichspannungsversatzes an einem modulator | |
| DE19535356C1 (de) | Verfahren und Vorrichtung zum Demodulieren von amplitudenmodulierten Hochfrequenzsignalen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |