CA2063003A1 - Secondary radar system - Google Patents

Secondary radar system

Info

Publication number
CA2063003A1
CA2063003A1 CA002063003A CA2063003A CA2063003A1 CA 2063003 A1 CA2063003 A1 CA 2063003A1 CA 002063003 A CA002063003 A CA 002063003A CA 2063003 A CA2063003 A CA 2063003A CA 2063003 A1 CA2063003 A1 CA 2063003A1
Authority
CA
Canada
Prior art keywords
aircraft
ground station
ground
secondary radar
ground stations
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
CA002063003A
Other languages
French (fr)
Other versions
CA2063003C (en
Inventor
Gunter Hofgen
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.)
Alcatel Lucent Deutschland AG
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2063003A1 publication Critical patent/CA2063003A1/en
Application granted granted Critical
Publication of CA2063003C publication Critical patent/CA2063003C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Conventional secondary radar systems use mechanically rotating antennas to radiate a concentrated beam that rotates in a horizontal plane. Data exchange between ground stations and airborne transponders can only take place if the aircraft is struck by the antenna lobe.
The distance from the aircraft to the ground station is determined from the signal transit time.
Directional information is derived from the an-tenna position. The secondary radar system according to the invention uses an omnidirectional antenna, so that data can be exchanged between ground station and air-craft at any time. To determine the position of the aircraft, interrogation signals are transmitted by a single active ground station such that the reply signal from a transponder falls within the common system time frame of the ground station. The times of arrival of the reply signals at different ground stations are then directly proportional to the distances from the aircraft to these ground stations.
CA002063003A 1991-03-27 1992-03-13 Secondary radar system Expired - Lifetime CA2063003C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4109981A DE4109981A1 (en) 1991-03-27 1991-03-27 SECONDARY RADAR SYSTEM
DEP4109981.8 1991-03-27

Publications (2)

Publication Number Publication Date
CA2063003A1 true CA2063003A1 (en) 1992-09-28
CA2063003C CA2063003C (en) 2002-12-31

Family

ID=6428271

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002063003A Expired - Lifetime CA2063003C (en) 1991-03-27 1992-03-13 Secondary radar system

Country Status (4)

Country Link
EP (1) EP0505827B1 (en)
CA (1) CA2063003C (en)
DE (2) DE4109981A1 (en)
ES (1) ES2090385T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8044840B2 (en) 2005-09-02 2011-10-25 Rheinmetall Air Defence Ag Method for surveillance of space/air space

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224645A1 (en) * 1992-07-25 1994-01-27 Sel Alcatel Ag Method for correcting measurement errors caused by time deviations of clocks in a secondary radar system
US5363109A (en) * 1991-03-27 1994-11-08 Alcatel Sel Aktiengesellschaft Method of correcting measurement errors caused by clock deviations in a secondary radar system
DE19512787A1 (en) * 1995-02-19 1996-09-12 Horn Wolfgang Location detector using synthetic aperture, for locating e.g. microwave interference source
JP2991710B1 (en) * 1998-10-30 1999-12-20 運輸省船舶技術研究所長 SSR device and aircraft secondary monitoring network
US7889133B2 (en) 1999-03-05 2011-02-15 Itt Manufacturing Enterprises, Inc. Multilateration enhancements for noise and operations management
US7667647B2 (en) 1999-03-05 2010-02-23 Era Systems Corporation Extension of aircraft tracking and positive identification from movement areas into non-movement areas
US7612716B2 (en) 1999-03-05 2009-11-03 Era Systems Corporation Correlation of flight track data with other data sources
US7739167B2 (en) 1999-03-05 2010-06-15 Era Systems Corporation Automated management of airport revenues
US7777675B2 (en) 1999-03-05 2010-08-17 Era Systems Corporation Deployable passive broadband aircraft tracking
US7570214B2 (en) 1999-03-05 2009-08-04 Era Systems, Inc. Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance
US8446321B2 (en) 1999-03-05 2013-05-21 Omnipol A.S. Deployable intelligence and tracking system for homeland security and search and rescue
US8203486B1 (en) 1999-03-05 2012-06-19 Omnipol A.S. Transmitter independent techniques to extend the performance of passive coherent location
US7908077B2 (en) 2003-06-10 2011-03-15 Itt Manufacturing Enterprises, Inc. Land use compatibility planning software
US7782256B2 (en) 1999-03-05 2010-08-24 Era Systems Corporation Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects
DE19910715C2 (en) * 1999-03-10 2002-09-26 Deutsch Zentr Luft & Raumfahrt Process for autonomous driving robotic vehicles in halls and radar station for carrying out the process
DE10330321B4 (en) * 2003-07-04 2006-08-17 Siemens Ag Plant for managing a parking space for vehicles
US7965227B2 (en) 2006-05-08 2011-06-21 Era Systems, Inc. Aircraft tracking using low cost tagging as a discriminator
DE102010014814A1 (en) 2010-04-13 2011-10-13 Eads Deutschland Gmbh Antenna arrangement for use in secondary radar system utilized in trilateration system to support approach for landing of aircraft, has mast for supporting vertical dipoles arranged in array, where each dipole is connected with mast
RU2750741C1 (en) * 2020-05-25 2021-07-05 Быков Андрей Викторович Radar system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197536A (en) * 1978-10-30 1980-04-08 International Telephone And Telegraph Corporation Airport surface identification and control system
DE2911313C3 (en) * 1979-03-22 1981-11-05 Siemens AG, 1000 Berlin und 8000 München Airport surveillance system
US4812852A (en) * 1987-02-20 1989-03-14 Scientific Development Corporation Locating system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8044840B2 (en) 2005-09-02 2011-10-25 Rheinmetall Air Defence Ag Method for surveillance of space/air space

Also Published As

Publication number Publication date
EP0505827A1 (en) 1992-09-30
DE4109981A1 (en) 1992-10-01
EP0505827B1 (en) 1996-06-12
CA2063003C (en) 2002-12-31
ES2090385T3 (en) 1996-10-16
DE59206523D1 (en) 1996-07-18

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Legal Events

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