CA2090459A1 - Methode et ordinateur a processeurs paralleles pour determiner les trois coordonnees spatiales d'un objet en utilisant les donnees fournies des capteurs bidimensionnels - Google Patents

Methode et ordinateur a processeurs paralleles pour determiner les trois coordonnees spatiales d'un objet en utilisant les donnees fournies des capteurs bidimensionnels

Info

Publication number
CA2090459A1
CA2090459A1 CA2090459A CA2090459A CA2090459A1 CA 2090459 A1 CA2090459 A1 CA 2090459A1 CA 2090459 A CA2090459 A CA 2090459A CA 2090459 A CA2090459 A CA 2090459A CA 2090459 A1 CA2090459 A1 CA 2090459A1
Authority
CA
Canada
Prior art keywords
objects
lines
sight
sensor
coordinates
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
CA2090459A
Other languages
English (en)
Other versions
CA2090459C (fr
Inventor
Steven C. Woo
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.)
Raytheon Co
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 CA2090459A1 publication Critical patent/CA2090459A1/fr
Application granted granted Critical
Publication of CA2090459C publication Critical patent/CA2090459C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

Un premier et un second capteur passif (14, 16), qui peuvent être montés sur des satellites terrestres différents, donnent les coordonnées relatives d'azimut et de site d'objets détectés (A, B, C) tels que des missiles ennemis. Les distances minimale et maximale possibles des objets (A, B, C) sur les lignes de visée (18a, 18b, 18c) du premier capteur (14) sont prédéterminées et utilisées pour calculer des « lignes de direction » (24, 26, 28) qui coïncident avec les ligne de visée (18a, 18b, 18c) et qui vont de la distance minimale à la distance maximale dans chaque cas. Ces lignes de direction (24, 26, 28) sont transposées dans le champ de vision du second capteur (16) et sont adaptées aux coordonnées d'azimut et de site des objets individuels (A, B, C) à l'aide d'un algorithme de résolution élémentaire (algorithme glouton) ou d'un algorithme à optimisation globale. Les points d'intersection approximatifs des lignes de visée (20a, 20b, 20c) des objets (A, B, C) pour le second capteur (20) et les lignes de direction correspondantes (24, 26, 28) sont calculés et transformés en coordonnées par rapport à un point de référence (10) tel que le centre de la Terre (12). Les calculs relatifs aux objets individuels (A, B, C) peuvent être effectués simultanément au moyen de processeurs parallèles (44a, 44b, 44c) utilisant une architecture SIMD (instruction unique et données multiples) ou une architecture de calcul similaire (40).
CA002090459A 1991-07-19 1992-07-17 Methode et ordinateur a processeurs paralleles pour determiner les trois coordonnees spatiales d'un objet en utilisant les donnees fournies des capteurs bidimensionnels Expired - Fee Related CA2090459C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US73637791A 1991-07-19 1991-07-19
US736,377 1991-07-19

Publications (2)

Publication Number Publication Date
CA2090459A1 true CA2090459A1 (fr) 1993-01-20
CA2090459C CA2090459C (fr) 1998-08-04

Family

ID=24959641

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002090459A Expired - Fee Related CA2090459C (fr) 1991-07-19 1992-07-17 Methode et ordinateur a processeurs paralleles pour determiner les trois coordonnees spatiales d'un objet en utilisant les donnees fournies des capteurs bidimensionnels

Country Status (8)

Country Link
US (1) US5386370A (fr)
EP (1) EP0549788B1 (fr)
JP (1) JPH06501318A (fr)
KR (1) KR970003697B1 (fr)
CA (1) CA2090459C (fr)
DE (1) DE69213696T2 (fr)
DK (1) DK0549788T3 (fr)
WO (1) WO1993002366A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234982A (zh) * 2021-12-20 2022-03-25 中南大学 基于方位角定位的三维轨迹规划方法、系统、设备及介质

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US5629707A (en) * 1995-01-06 1997-05-13 Motorola, Inc. Flexible signal source location apparatus and method therefor
SE509328C2 (sv) * 1997-02-27 1999-01-11 Celsiustech Syst Ab Förfarande för spårinitiering vid multimålsspårning med hjälp av åtminstone två passiva sensorer
US5977990A (en) * 1997-06-30 1999-11-02 Northrop Grumman Corporation Parallel computer for real time map synthesis
DE10050304B4 (de) * 2000-10-09 2004-07-15 Eads Deutschland Gmbh Skalierbares Radar-Signalprozessorsystem
KR100447411B1 (ko) * 2001-12-26 2004-09-04 한국전자통신연구원 이동 단말기의 위치 추적 장치 및 방법
US6690321B1 (en) * 2002-07-22 2004-02-10 Bae Systems Information And Electronic Systems Integration Inc. Multi-sensor target counting and localization system
US7433021B2 (en) * 2004-08-10 2008-10-07 Joseph Saltsman Stereoscopic targeting, tracking and navigation device, system and method
JP2006208323A (ja) * 2005-01-31 2006-08-10 Toshiba Corp 分散型のレーダ情報処理システム
DE602008004075D1 (de) * 2008-01-18 2011-02-03 Mitsubishi Electric Corp Mehrfache Objektlokalisierung mithilfe eines Netzwerks von Empfängern
US8174433B1 (en) * 2009-02-26 2012-05-08 Raytheon Company Bias estimation and orbit determination
JP5634423B2 (ja) * 2012-03-02 2014-12-03 株式会社東芝 目標追跡装置、目標追跡プログラム、目標追跡システム、及び目標追跡方法
US9501522B2 (en) * 2012-08-17 2016-11-22 Sas Institute Inc. Systems and methods for providing a unified variable selection approach based on variance preservation
US20140097988A1 (en) * 2012-10-05 2014-04-10 Qualcomm Incorporated Speed estimation using delta rtt measurements and area maps
RU2681518C1 (ru) * 2018-04-02 2019-03-07 Федеральное государственное бюджетное образовательное учреждение высшего образования "Рязанский государственный радиотехнический университет" Способ определения дальностей до объектов в пассивных системах видения
CN113466788B (zh) * 2021-07-20 2024-05-24 三星电子（中国）研发中心 指定物体的方法、装置和系统
GB2627171A (en) * 2022-08-29 2024-08-21 Skyrora Ltd Systems, methods and apparatus for determining object position

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Publication number Priority date Publication date Assignee Title
DE2620687C1 (de) * 1976-05-11 1991-05-08 Siemens Ag Kreuzpeil-Ortungsnetz mit drei Sensoren und Ausscheidung virtueller Ziele
GB2099255B (en) * 1981-05-15 1985-09-04 Atomic Energy Authority Uk A system and a method for detecting the position of an object
FI74556C (fi) * 1986-04-11 1988-02-08 Valtion Teknillinen Foerfarande foer tredimensionell oevervakning av ett maolutrymme.
US4806936A (en) * 1986-06-20 1989-02-21 Hughes Aircraft Company Method of determining the position of multiple targets using bearing-only sensors
US5170484A (en) * 1986-09-18 1992-12-08 Digital Equipment Corporation Massively parallel array processing system
US5008542A (en) * 1989-12-20 1991-04-16 The United States Of America As Represented By The Secretary Of The Air Force Method and system for automated measurement of whole-wafer etch pit density in GaAs
US5051751A (en) * 1991-02-12 1991-09-24 The United States Of America As Represented By The Secretary Of The Navy Method of Kalman filtering for estimating the position and velocity of a tracked object

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114234982A (zh) * 2021-12-20 2022-03-25 中南大学 基于方位角定位的三维轨迹规划方法、系统、设备及介质
CN114234982B (zh) * 2021-12-20 2024-04-16 中南大学 基于方位角定位的三维轨迹规划方法、系统、设备及介质

Also Published As

Publication number Publication date
KR970003697B1 (ko) 1997-03-21
US5386370A (en) 1995-01-31
JPH06501318A (ja) 1994-02-10
DK0549788T3 (fr) 1997-03-10
EP0549788B1 (fr) 1996-09-11
KR930702687A (ko) 1993-09-09
EP0549788A1 (fr) 1993-07-07
DE69213696D1 (de) 1996-10-17
WO1993002366A1 (fr) 1993-02-04
CA2090459C (fr) 1998-08-04
DE69213696T2 (de) 1997-04-17

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