DK168926B1 - Fremgangsmåde til radiopositionsbestemmelse af et fartøj med et modtageapparat ved måling af tidsforskellene mellem modtagelsen af radiofrekvente signaler, samt modtageapparat til brug ved udøvelse af fremgangsmåden - Google Patents

Fremgangsmåde til radiopositionsbestemmelse af et fartøj med et modtageapparat ved måling af tidsforskellene mellem modtagelsen af radiofrekvente signaler, samt modtageapparat til brug ved udøvelse af fremgangsmåden Download PDF

Info

Publication number
DK168926B1
DK168926B1 DK373388A DK373388A DK168926B1 DK 168926 B1 DK168926 B1 DK 168926B1 DK 373388 A DK373388 A DK 373388A DK 373388 A DK373388 A DK 373388A DK 168926 B1 DK168926 B1 DK 168926B1
Authority
DK
Denmark
Prior art keywords
signals
group
period
stations
groups
Prior art date
Application number
DK373388A
Other languages
Danish (da)
English (en)
Other versions
DK373388D0 (da
DK373388A (da
Inventor
Christian Jean Lamiraux
Original Assignee
Mlr Electronique
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 Mlr Electronique filed Critical Mlr Electronique
Publication of DK373388D0 publication Critical patent/DK373388D0/da
Publication of DK373388A publication Critical patent/DK373388A/da
Application granted granted Critical
Publication of DK168926B1 publication Critical patent/DK168926B1/da

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
    • G01S1/20—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
    • G01S1/24—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 pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • G01S1/245—Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Electric Clocks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
DK373388A 1987-07-06 1988-07-05 Fremgangsmåde til radiopositionsbestemmelse af et fartøj med et modtageapparat ved måling af tidsforskellene mellem modtagelsen af radiofrekvente signaler, samt modtageapparat til brug ved udøvelse af fremgangsmåden DK168926B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8709556A FR2617980B1 (fr) 1987-07-06 1987-07-06 Procede de radiolocalisation d'un vehicule porteur d'un dispositif recepteur, par mesure des differences de temps de reception de signaux de radiofrequence et dispositif recepteur pour la mise en oeuvre de ce procede
FR8709556 1987-07-06

Publications (3)

Publication Number Publication Date
DK373388D0 DK373388D0 (da) 1988-07-05
DK373388A DK373388A (da) 1989-02-14
DK168926B1 true DK168926B1 (da) 1994-07-11

Family

ID=9352907

Family Applications (1)

Application Number Title Priority Date Filing Date
DK373388A DK168926B1 (da) 1987-07-06 1988-07-05 Fremgangsmåde til radiopositionsbestemmelse af et fartøj med et modtageapparat ved måling af tidsforskellene mellem modtagelsen af radiofrekvente signaler, samt modtageapparat til brug ved udøvelse af fremgangsmåden

Country Status (13)

Country Link
US (1) US4959655A (xx)
EP (1) EP0299848B1 (xx)
AT (1) ATE96549T1 (xx)
CA (1) CA1294692C (xx)
DE (1) DE3885173T2 (xx)
DK (1) DK168926B1 (xx)
ES (1) ES2051877T3 (xx)
FR (1) FR2617980B1 (xx)
HK (1) HK1007600A1 (xx)
IE (1) IE882035L (xx)
IS (1) IS1473B6 (xx)
NO (1) NO172612C (xx)
PT (1) PT87924B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221684B1 (en) 2000-12-05 2006-05-03 Siemens Aktiengesellschaft A method, system and portable device for locating a vehicle
US9348799B2 (en) * 2005-12-09 2016-05-24 Adobe Systems Incorporated Forming a master page for an electronic document
US8902102B2 (en) * 2011-11-01 2014-12-02 The Boeing Company Passive bistatic radar for vehicle sense and avoid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493970A (en) * 1967-07-03 1970-02-03 Berthold A Knauth Loran relay system
US3701018A (en) * 1971-02-22 1972-10-24 Motorola Inc Acquisition method for multi-transmission position locating or navigating systems
US3947849A (en) * 1974-06-20 1976-03-30 The Johns Hopkins University Loran receiver-navigator
FR2518758A1 (fr) * 1981-12-18 1983-06-24 Tech Electro Cie Indle Dispositif recepteur d'au moins deux systemes de radio-navigation
JPS59197876A (ja) * 1983-04-26 1984-11-09 Nissan Motor Co Ltd ロランｃ信号の自動検出装置

Also Published As

Publication number Publication date
NO882988D0 (no) 1988-07-05
DK373388D0 (da) 1988-07-05
IS3368A7 (is) 1989-01-07
PT87924B (pt) 1993-09-30
HK1007600A1 (en) 1999-04-16
DE3885173T2 (de) 1994-04-07
NO172612C (no) 1993-08-11
EP0299848A1 (fr) 1989-01-18
FR2617980B1 (fr) 1990-03-23
NO172612B (no) 1993-05-03
IS1473B6 (is) 1991-09-24
EP0299848B1 (fr) 1993-10-27
ATE96549T1 (de) 1993-11-15
CA1294692C (en) 1992-01-21
US4959655A (en) 1990-09-25
DK373388A (da) 1989-02-14
DE3885173D1 (de) 1993-12-02
PT87924A (pt) 1989-06-30
FR2617980A1 (fr) 1989-01-13
IE882035L (en) 1989-01-06
NO882988L (no) 1989-01-09
ES2051877T3 (es) 1994-07-01

Similar Documents

Publication Publication Date Title
EP0577364B1 (en) An apparatus for seismic surveying and a method of synchronizing systems for seismic surveying
NO331496B1 (no) System og fremgangsmate for synkronisering av systemgenererte seismiske hendelser
CA2388743A1 (en) Method and apparatus for determining the position location using reduced number of gps satellites and synchronized and unsynchronized base stations
GB1390836A (en) Radar trilacteralization position locators
US3868691A (en) Loran receiver automated master search
DK168926B1 (da) Fremgangsmåde til radiopositionsbestemmelse af et fartøj med et modtageapparat ved måling af tidsforskellene mellem modtagelsen af radiofrekvente signaler, samt modtageapparat til brug ved udøvelse af fremgangsmåden
US5220333A (en) Method and apparatus for determining universal coordinated time from Loran-C transmissions
US3684964A (en) Decoding system and method for generating time signals
US4281239A (en) Timing apparatus and method
US3868690A (en) Loran receiver envelope-cycle discrepancy compensation
CN115032928A (zh) 一种基于fpga的分布式微震采集站时间采集控制与补偿系统
GB2331664A (en) Simultaneous remote unit triggering
US3267474A (en) Doppler shift detector
US4604621A (en) Device for the electromagnetic transmission of an event taking place in an interference-laden environment
SU832506A1 (ru) Приемоиндикатор
SU764128A2 (ru) Устройство дл прив зки шкал времени и сличени частот по эталонным радиосигналам
RU2435175C1 (ru) Автономный цифровой сейсмометр
RU2400777C1 (ru) Автономный сейсмоприемник с цифровой регистрацией сейсмических данных
SU491293A1 (ru) Устройство дл синхронизации радиома ка
SU473154A1 (ru) Устройство дл автоматической прив зки шкал времени
SU1545177A1 (ru) Гидроакустическое устройство измерени плотности скоплени рыб
SU1272479A1 (ru) Генератор последовательностей импульсов
SU551599A1 (ru) Электронные часы
SU680019A1 (ru) Адаптивна система телеизмерений
RU2434249C1 (ru) Автономный цифровой сейсмометр

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed