EP1057044A1 - Procede pour representer des images radar d'une zone d'action sous surveillance - Google Patents

Procede pour representer des images radar d'une zone d'action sous surveillance

Info

Publication number
EP1057044A1
EP1057044A1 EP99906241A EP99906241A EP1057044A1 EP 1057044 A1 EP1057044 A1 EP 1057044A1 EP 99906241 A EP99906241 A EP 99906241A EP 99906241 A EP99906241 A EP 99906241A EP 1057044 A1 EP1057044 A1 EP 1057044A1
Authority
EP
European Patent Office
Prior art keywords
image
radar
optical image
action area
targets
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.)
Withdrawn
Application number
EP99906241A
Other languages
German (de)
English (en)
Inventor
Franz Witte
Rüdiger SCHEUNEMANN
Alberto Moreira
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.)
Deutsches Zentrum fuer Luft und Raumfahrt eV
Original Assignee
Deutsches Zentrum fuer Luft und Raumfahrt eV
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 Deutsches Zentrum fuer Luft und Raumfahrt eV filed Critical Deutsches Zentrum fuer Luft und Raumfahrt eV
Publication of EP1057044A1 publication Critical patent/EP1057044A1/fr
Withdrawn legal-status Critical Current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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • 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
    • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • 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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/917—Radar or analogous systems specially adapted for specific applications for traffic control for marine craft or other waterborne vessels
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/04—Display arrangements
    • G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
    • G01S7/062—Cathode-ray tube displays or other two dimensional or three-dimensional displays in which different colours are used

Definitions

  • the invention relates to a method for displaying radar images of an action area to be monitored, such as an airport, sea or inland port or a similar action area.
  • a radar system which is followed by a data processing system, is generally used to monitor such action areas. If, for example, a building is detected with a stationary radar system with a rotating antenna, for example from the tower of an airport or from a corresponding building of a seaport, a strong backscatter signal is obtained which is displayed on screens of the radar system.
  • This representation corresponds essentially to a kind of perspective front view of buildings, has no noteworthy structures and is composed of a large number of strong point-shaped backscatter signals.
  • edges and other striking, highly reflective areas of a detected building are particularly prominent.
  • the object of the invention is therefore to improve a display obtained by means of a radar system to the effect that existing, movable, i.e. moving and / or stationary ("parked") targets are much easier to interpret or identify.
  • this object is achieved by methods for displaying radar images of an action area to be monitored, such as an airport, sea or inland port or a similar action area, with the features in the characterizing part of claim 1 or 2.
  • an action area to be monitored such as an airport, sea or inland port or a similar action area
  • an optical image or a representation approximating a cartographic reproduction (which is referred to below as a map representation or aerial photograph) of exactly the same region is superimposed on a radar image of a current state of the action area to be monitored, which is generated by means of a radar system ;
  • a combination image obtained by this superimposition process of a radar image and the optical image (aerial image) is then displayed on a screen.
  • a radar system with an antenna rigidly mounted on a building, preferably on the tower of an airport, sea or inland port, such as that described in DE 40 07 611 C2 or 40 07 612, is advantageous C2 is known.
  • an optical image is understood to mean a continuous image of the action area to be monitored, which corresponds to a photographic reproduction, with a continuous image being an image which is prepared in such a way that in such an image only those for monitoring and handling air or ship traffic Required fixed facilities, such as buildings and ground or port facilities including the entire airfield / taxiway or the entire port are shown, but all moving, changing locations such as planes, ships, tugs, service vehicles, tankers, passenger buses, baggage carts, etc.
  • the combination image of an action area obtained by the superimposition process is displayed on an observation or monitoring platform of a tower of air, sea or inland ports, and from there is transmitted to reception monitors from moving targets in the action area and displayed there.
  • This enables the tower to be connected to each of the mobile targets staffed with personnel, which are usually already equipped with the corresponding receiving devices required for communication, in order to provide appropriate instructions or information, if applicable, also with regard to mobile targets located in the immediate vicinity Goals.
  • a differential GPS Global Positioning System
  • each of which is assigned to a specific moving target and can be activated from there, its current position and if necessary, at least a part of the distance covered by this movable target can also be highlighted (for example by afterglow) on its reception monitor, preferably also by means of a color marking. If moving targets already detected by means of the radar system are reproduced in color, the moving target detected by means of the differential GPS is identified by a particularly distinctive color marking.
  • the method according to the invention enables a highly precise observation and monitoring system for such flight, sea and or inland ports.
  • the GPS signal processing device on a tower and the differential GPS signal processing device on the moving targets as well as reception and display devices, such as monitors, displays, etc., which are also generally present in the moving targets, this has Personnel from moving targets, such as pilots, captains, skippers, pilots, generally vehicle drivers, not only have a very precise position of their own vehicle available, but at the same time also receive comprehensive information about vehicles in the near and far surroundings and their expected directions of travel.
  • the personnel are given access to the moving destinations have a much better overview, especially of the immediate surroundings.
  • An advantageous further development of the method according to the invention also consists in storing the optical image in color in the data processing system and thus storing it ready for retrieval. If such a colored optical image is used as a background for a radar image that is appropriately adapted in terms of its dimensions and, due to the system, can only be displayed in black and white, the interpretation of the combination image obtained as a result, as well as the assignment and identification of striking, particularly emphasized on the radar image Digits, edges and other improvements.
  • all backscattered points of fixed elements or targets of a scene, which are also present in the optical image can be hidden in the radar image, which is preferably backed by an optical continuous image or a corresponding map representation in color , so that only the backscattered points of targets not present in the optical image / map are recorded and displayed in the underlying optical image / map.
  • a combination image created according to the invention can be used to identify moving targets such as smaller vehicles, transport vehicles, luggage carts, etc. or even larger to large vehicles, such as airplanes, ships, not only to be interpreted as such, but at the same time the position or the distance traveled immediately beforehand by a moving target can also be identified very precisely.
  • all targets detected by means of the radar system that are not present in the optical image namely both stationary (“parked”) and moving targets
  • both parked and moving targets that are not present in different sections of the optical image, but are detected by means of the radar system, can be passed on sector by sector in different colors.
  • the method according to the invention thus creates numerous possibilities for considerably simplifying and improving the interpretation of a radar image not only with regard to moving targets, but also with regard to temporarily or temporarily existing solid objects or targets.

Landscapes

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

Abstract

Selon l'invention, un système radar fixe couvrant une zone d'action placée sous surveillance, telle qu'un aéroport, un port maritime ou un port fluvial, génère des images radar. Une image optique (image aérienne) de ladite zone d'action est superposée, au moyen d'un système de traitement de données, sur chaque image radar de cette zone d'action sous surveillance, qui est générée au moyen du système radar. L'image combinée de la zone d'action, obtenue par cette superposition, est transmise à une plate-forme d'observation et de surveillance d'une tour, puis à des moniteurs de réception de cibles mobiles dans la zone d'action, et représentée sur ceux-ci. A partir de cette pluralité de cibles mobiles d'une image combinée, la position instantanée de, et éventuellement également une partie de la trajectoire déjà parcourue par, une cible mobile peut être mise en surbrillance (par luminescence résiduelle), sur son moniteur de réception, au moyen d'un système de réception GPS en mode différentiel, qui est associé à ladite cible mobile et avec laquelle il peut se raccorder.
EP99906241A 1998-02-17 1999-02-17 Procede pour representer des images radar d'une zone d'action sous surveillance Withdrawn EP1057044A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19806450 1998-02-17
DE19806450A DE19806450A1 (de) 1998-02-17 1998-02-17 Verfahren zum Überwachen eines Aktionsbereichs, wie eines Flughafens oder eines Seehafens
PCT/EP1999/001028 WO1999042855A1 (fr) 1998-02-17 1999-02-17 Procede pour representer des images radar d'une zone d'action sous surveillance

Publications (1)

Publication Number Publication Date
EP1057044A1 true EP1057044A1 (fr) 2000-12-06

Family

ID=7857957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99906241A Withdrawn EP1057044A1 (fr) 1998-02-17 1999-02-17 Procede pour representer des images radar d'une zone d'action sous surveillance

Country Status (4)

Country Link
EP (1) EP1057044A1 (fr)
CA (1) CA2320754A1 (fr)
DE (1) DE19806450A1 (fr)
WO (1) WO1999042855A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203486B1 (en) 1999-03-05 2012-06-19 Omnipol A.S. Transmitter independent techniques to extend the performance of passive coherent location
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
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
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
US7908077B2 (en) 2003-06-10 2011-03-15 Itt Manufacturing Enterprises, Inc. Land use compatibility planning software
US8446321B2 (en) 1999-03-05 2013-05-21 Omnipol A.S. Deployable intelligence and tracking system for homeland security and search and rescue
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
US7889133B2 (en) 1999-03-05 2011-02-15 Itt Manufacturing Enterprises, Inc. Multilateration enhancements for noise and operations management
US6972714B1 (en) * 2004-06-08 2005-12-06 Agilent Technologies, Inc. Optically-augmented microwave imaging system and method
US7965227B2 (en) 2006-05-08 2011-06-21 Era Systems, Inc. Aircraft tracking using low cost tagging as a discriminator
US8314816B2 (en) * 2009-06-08 2012-11-20 Honeywell International Inc. System and method for displaying information on a display element
EP3385747B1 (fr) 2017-04-05 2021-03-31 Axis AB Procédé, dispositif et système de mappage de détections de position à une représentation graphique

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DE3210694A1 (de) * 1982-03-24 1983-10-06 Siemens Ag Flugueberwachungseinrichtung
NL8802289A (nl) * 1988-09-16 1990-04-17 Hollandse Signaalapparaten Bv Rondzoeksensor.
US5335298A (en) * 1991-08-19 1994-08-02 The United States Of America As Represented By The Secretary Of The Army Automated extraction of airport runway patterns from radar imagery
US5448243A (en) * 1991-12-30 1995-09-05 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. System for locating a plurality of objects and obstructions and for detecting and determining the rolling status of moving objects, such as aircraft, ground vehicles, and the like
US5179385A (en) * 1992-01-02 1993-01-12 International Marine Industries, Inc. Visual navigation aid with point of interest feature
SG66213A1 (en) * 1995-01-31 1999-07-20 Mitsubishi Electric Corp Display apparatus for flight control

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
WO1999042855A1 (fr) 1999-08-26
DE19806450A1 (de) 1999-08-26
CA2320754A1 (fr) 1999-08-26

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