MA39392A1 - Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects - Google Patents

Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects

Info

Publication number
MA39392A1
MA39392A1 MA39392A MA39392A MA39392A1 MA 39392 A1 MA39392 A1 MA 39392A1 MA 39392 A MA39392 A MA 39392A MA 39392 A MA39392 A MA 39392A MA 39392 A1 MA39392 A1 MA 39392A1
Authority
MA
Morocco
Prior art keywords
distances
detection
multistatic
obstacles
electromagnetic
Prior art date
Application number
MA39392A
Other languages
French (fr)
Other versions
MA39392B1 (en
Inventor
Hafid Griguer
Youssef Aiboud
Missaoui Mbarek El
Marwane Rhouni
Mbarek Benlezaar
Original Assignee
Hafid Griguer
Youssef Aiboud
Benlezaar Moncef
Missaoui Mbarek El
Marwane Rhouni
Emsi Rabat
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 Hafid Griguer, Youssef Aiboud, Benlezaar Moncef, Missaoui Mbarek El, Marwane Rhouni, Emsi Rabat filed Critical Hafid Griguer
Priority to MA39392A priority Critical patent/MA39392B1/en
Priority to PCT/MA2016/000022 priority patent/WO2018074912A1/en
Publication of MA39392A1 publication Critical patent/MA39392A1/en
Publication of MA39392B1 publication Critical patent/MA39392B1/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
    • 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
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • 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
    • G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
    • G01S7/038—Feedthrough nulling circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/008—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems with a particular shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial

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

La présente invention concerne un radar multistatique à base de méta matériaux et une méthode de sa calibration pour la détection des objets et leurs distances lesquels objets sont considérés comme des réflecteurs électromagnétiques. Ledit radar est caractérisé en ce qu'il comporte un dispositif (300) de découplage électromagnétique placé entre chaque couple d'antenne émettrice (110) /antenne réceptrice adjacente (120, 130), ledit dispositif ayant une forme pyramidale constitué d'une base ( 301) pour éliminer le couplage guidé et d'au moins deux faces planaires (302, 303) pour éliminer le couplage rayonné où un angle est formé entre le plan d'une quelconque face et le plan de la base de la structure pyramidale (300) formant l'absorbant électromagnétique, lequel angle est inférieure ou égale à l'angle obtenue entre l'axe (115, 135) du lobe principale (ill, 131) et l'axe (116, 136) du lobe secondaire (112, 132) du diagramme de rayonnement de l'antenne juxtaposée à ladite face planaire formant la structure pyramidale (300). L'invention concerne aussi une méthode de calibration dudit radar multistatique pour la détection des obstacles et des distances.The present invention relates to a multistatic radar based meta materials and a method of its calibration for the detection of objects and their distances which objects are considered as electromagnetic reflectors. Said radar is characterized in that it comprises an electromagnetic decoupling device (300) placed between each transmitting antenna pair (110) / adjacent receiving antenna (120, 130), said device having a pyramidal shape consisting of a base (301) to eliminate the guided coupling and at least two planar faces (302, 303) to eliminate the radiated coupling where an angle is formed between the plane of any face and the plane of the base of the pyramidal structure ( 300) forming the electromagnetic absorber, which angle is less than or equal to the angle obtained between the axis (115, 135) of the main lobe (ill, 131) and the axis (116, 136) of the secondary lobe (112 , 132) of the radiation pattern of the antenna juxtaposed to said planar face forming the pyramidal structure (300). The invention also relates to a method of calibrating said multistatic radar for the detection of obstacles and distances.

MA39392A 2016-10-18 2016-10-18 Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects MA39392B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MA39392A MA39392B1 (en) 2016-10-18 2016-10-18 Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects
PCT/MA2016/000022 WO2018074912A1 (en) 2016-10-18 2016-11-03 Multistatic radar made of meta-material and method for the calibration of same, for detecting obstacles and distances of objects with electromagnetic reflection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA39392A MA39392B1 (en) 2016-10-18 2016-10-18 Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects

Publications (2)

Publication Number Publication Date
MA39392A1 true MA39392A1 (en) 2018-04-30
MA39392B1 MA39392B1 (en) 2018-06-29

Family

ID=62019448

Family Applications (1)

Application Number Title Priority Date Filing Date
MA39392A MA39392B1 (en) 2016-10-18 2016-10-18 Multistatic meta-material radar and its calibration method for the detection of obstacles and distances of electromagnetic reflection objects

Country Status (2)

Country Link
MA (1) MA39392B1 (en)
WO (1) WO2018074912A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112698287B (en) * 2021-03-24 2021-06-18 中国人民解放军国防科技大学 Attitude-measurable and adjustable polarization radar passive calibrator and radar calibration method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7427967B2 (en) * 2003-02-01 2008-09-23 Qinetiq Limited Phased array antenna and inter-element mutual coupling control method
US7773033B2 (en) * 2008-09-30 2010-08-10 Raytheon Company Multilayer metamaterial isolator
KR102233948B1 (en) * 2015-04-16 2021-03-30 한국전자통신연구원 Antenna array

Also Published As

Publication number Publication date
WO2018074912A1 (en) 2018-04-26
MA39392B1 (en) 2018-06-29

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