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CH532258A - DF method - Google Patents

DF method

Info

Publication number
CH532258A
CH532258A CH430172A CH430172A CH532258A CH 532258 A CH532258 A CH 532258A CH 430172 A CH430172 A CH 430172A CH 430172 A CH430172 A CH 430172A CH 532258 A CH532258 A CH 532258A
Authority
CH
Switzerland
Application number
CH430172A
Other languages
German (de)
Inventor
Baur Karl Dr Ing Dipl-Phys
Original Assignee
Licentia Gmbh
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 Licentia Gmbh filed Critical Licentia Gmbh
Publication of CH532258A publication Critical patent/CH532258A/en

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
CH430172A 1971-03-23 1972-03-22 DF method CH532258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712113883 DE2113883C2 (en) 1971-03-23 1971-03-23 DF method

Publications (1)

Publication Number Publication Date
CH532258A true CH532258A (en) 1972-12-31

Family

ID=5802419

Family Applications (1)

Application Number Title Priority Date Filing Date
CH430172A CH532258A (en) 1971-03-23 1972-03-22 DF method

Country Status (6)

Country Link
AT (1) AT354524B (en)
CH (1) CH532258A (en)
DE (1) DE2113883C2 (en)
FR (1) FR2130563B1 (en)
GB (1) GB1392343A (en)
IT (1) IT950664B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2458583C2 (en) * 1974-12-11 1984-07-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Multi-channel DF method and arrangement for carrying out the method
DE2757294A1 (en) * 1977-08-26 1979-06-28 Licentia Gmbh Direction finding system with automatic stations and common evaluator - forms pulse duration and pause duration distributions at each station for on=off keyed transmissions
DE3017797A1 (en) * 1980-05-09 1981-11-12 Fried. Krupp Gmbh, 4300 Essen METHOD FOR DETERMINING THE DIRECTIONS
DE3233326A1 (en) * 1982-09-08 1984-03-08 Siemens AG, 1000 Berlin und 8000 München Device for discovering objects representing a threat
GB2140238A (en) * 1983-05-11 1984-11-21 Racal Communications Equip Direction finding
GB2141602A (en) * 1983-06-17 1984-12-19 Philips Electronic Associated R f system
GB2147760B (en) * 1983-10-07 1987-04-15 Racal Res Ltd Direction finding systems
DE3523537C2 (en) * 1985-07-02 1993-10-14 Deutsche Aerospace Method and receiving arrangement for suppressing inband interference
BE1012743A4 (en) * 1986-04-23 2001-03-06 Dassault Electronique Soc Comm Interferometric receiver of electromagnetic signals.
FR2742552B2 (en) * 1986-09-23 1998-05-07 Dassault Electronique INTERFEROMETRIC RECEIVER WITH INSTANT FREQUENCY MEASUREMENT
DE3832678C2 (en) * 1988-09-27 2001-10-18 Stn Atlas Elektronik Gmbh DF method and device for carrying it out
GB2260049B (en) * 1990-08-08 1994-06-08 Thorn Emi Electronics Ltd Improvements in or relating to receivers
DE4130699C2 (en) * 1991-09-14 1994-02-24 Deutsche Aerospace Method for determining the bearing angle of received signals from a multi-channel direction finder with all-round channel and multi-channel direction finder with all-round channel for carrying out the method
RU2544879C1 (en) * 2013-11-18 2015-03-20 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Device for determining direction to signal source

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1142920B (en) * 1958-04-12 1963-01-31 Telefunken Patent Multi-wave direction finder
US3286263A (en) * 1963-06-21 1966-11-15 Calvin M Hammack Polystation detector for multiple targets
DE1516876B2 (en) * 1966-05-20 1975-01-02 Telefunken Patentverwertungsgesellschaft Mbh, 7900 Ulm Peller
US3517173A (en) * 1966-12-29 1970-06-23 Bell Telephone Labor Inc Digital processor for performing fast fourier transforms
FR1579356A (en) * 1967-10-09 1969-08-22

Also Published As

Publication number Publication date
DE2113883A1 (en) 1972-09-28
IT950664B (en) 1973-06-20
DE2113883C2 (en) 1982-09-30
FR2130563A1 (en) 1972-11-03
GB1392343A (en) 1975-04-30
ATA204772A (en) 1979-06-15
AT354524B (en) 1979-01-10
FR2130563B1 (en) 1977-12-23

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Legal Events

Date Code Title Description
PL Patent ceased