FR2309880A1 - Procede de couplage de signaux a frequences differentes dans un recepteur de navigation - Google Patents

Procede de couplage de signaux a frequences differentes dans un recepteur de navigation

Info

Publication number
FR2309880A1
FR2309880A1 FR7612463A FR7612463A FR2309880A1 FR 2309880 A1 FR2309880 A1 FR 2309880A1 FR 7612463 A FR7612463 A FR 7612463A FR 7612463 A FR7612463 A FR 7612463A FR 2309880 A1 FR2309880 A1 FR 2309880A1
Authority
FR
France
Prior art keywords
different frequencies
navigation receiver
coupling signals
coupling
signals
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.)
Granted
Application number
FR7612463A
Other languages
English (en)
French (fr)
Other versions
FR2309880B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tracor Inc
Original Assignee
Tracor Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tracor Inc filed Critical Tracor Inc
Publication of FR2309880A1 publication Critical patent/FR2309880A1/fr
Application granted granted Critical
Publication of FR2309880B1 publication Critical patent/FR2309880B1/fr
Granted legal-status Critical Current

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
    • G01S5/12—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)
FR7612463A 1975-04-28 1976-04-27 Procede de couplage de signaux a frequences differentes dans un recepteur de navigation Granted FR2309880A1 (fr)

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 (2)

Publication Number Publication Date
FR2309880A1 true FR2309880A1 (fr) 1976-11-26
FR2309880B1 FR2309880B1 (enExample) 1983-02-11

Family

ID=24285599

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612463A Granted FR2309880A1 (fr) 1975-04-28 1976-04-27 Procede de couplage de signaux a frequences differentes dans un recepteur de navigation

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)

* Cited by examiner, † Cited by third party
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136995A (en) * 1959-12-18 1964-06-09 Marconi Co Ltd Navigation aiding receivers
US3474448A (en) * 1967-08-22 1969-10-21 Decca Ltd Phase comparison radio navigation systems
US3696424A (en) * 1968-12-23 1972-10-03 Ltv Electrosystems Inc Method and apparatus for very-low-frequency radio nagigation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896443A (en) * 1973-06-01 1975-07-22 Harold P Zitzow Omega navigation receiver station pair selection and lop display system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136995A (en) * 1959-12-18 1964-06-09 Marconi Co Ltd Navigation aiding receivers
US3474448A (en) * 1967-08-22 1969-10-21 Decca Ltd Phase comparison radio navigation systems
US3696424A (en) * 1968-12-23 1972-10-03 Ltv Electrosystems Inc Method and apparatus for very-low-frequency radio nagigation

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
DK188176A (da) 1976-10-29
JPS524189A (en) 1977-01-13
DE2618212C3 (de) 1978-12-07
NO145489C (no) 1982-03-31
NO761405L (enExample) 1976-10-29

Similar Documents

Publication Publication Date Title
AT381428B (de) Verfahren und geraet zur umsetzung eines empfangenen signals
FR2322380A1 (fr) Pistage de signaux radar
FR2330203A1 (fr) Circuit dephaseur pour signaux de radar
FR2318546A1 (fr) Processeur de signaux
FR2306482A1 (fr) Melangeur electronique de signaux
DE3483985D1 (de) Anordnung zur anzeige der genauen ankunftszeit eines empfangenen signals.
FR2325243A1 (fr) Dispositif mettant a profit des ondes de surfaces acoustiques
BE869241A (fr) Dispositif de detection de la reception de signaux multifrequence
FR2404348B1 (fr) Recepteur pour signaux stereo am compatibles
BE837739A (fr) Procede de detection de composantes de frequences determinees dans des signaux resultant de multiplexage de voies numeriques
FR2395652B1 (fr) Procede et dispositif de transmission de signaux numeriques
NO145551C (no) Krets til utsendelse av radarpulssignaler i et radaranlegg
FR2314632A1 (fr) Dispositif a ondes acoustiques de surface
IT1028448B (it) Sistema di trasmissione per segnali impulsivi a frequenza fissa di orologio
FR2309880A1 (fr) Procede de couplage de signaux a frequences differentes dans un recepteur de navigation
BE830564A (fr) Dispositif de transmission de signaux a haute frequence
FR2274113A1 (fr) Dispositif acoustique a memoire pour la correlation notamment de deux signaux haute-frequence
FR2319247A1 (fr) Procede et dispositif pour engendrer une representation numerique de signaux multifrequences
FR2326712A1 (fr) Circuit et procede pour la mesure et l'affichage automatiques de frequences de resonance d'elements de detection sismique
FR2337345A1 (fr) Dispositif de mesure rapide de la frequence d'un signal electrique periodique
BE850718A (fr) Dispositif de transmission de signaux numeriques
BE755390A (fr) Dispositif pour la transmission de basses frequences de signaux
FR2337894A1 (fr) Procede et dispositif pour le filtrage lineaire de signaux bidimensionnels
ATA215477A (de) Schaltungsanordnung zum verarbeiten eines periodischen signals
FR2290799A1 (fr) Dispositif de transmission de signaux a haute frequence

Legal Events

Date Code Title Description
ST Notification of lapse