FR3073627B1 - Interferometre et plate-forme associee - Google Patents

Interferometre et plate-forme associee Download PDF

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Publication number
FR3073627B1
FR3073627B1 FR1701186A FR1701186A FR3073627B1 FR 3073627 B1 FR3073627 B1 FR 3073627B1 FR 1701186 A FR1701186 A FR 1701186A FR 1701186 A FR1701186 A FR 1701186A FR 3073627 B1 FR3073627 B1 FR 3073627B1
Authority
FR
France
Prior art keywords
reception
analog
index
digital conversion
interferometer
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.)
Active
Application number
FR1701186A
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English (en)
Other versions
FR3073627A1 (fr
Inventor
Thierry Briand
Clementine Bauche-Costes
Joel Fillatre
Arnaud Biziere
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.)
Thales SA
Original Assignee
Thales SA
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Filing date
Publication date
Application filed by Thales SA filed Critical Thales SA
Priority to FR1701186A priority Critical patent/FR3073627B1/fr
Publication of FR3073627A1 publication Critical patent/FR3073627A1/fr
Application granted granted Critical
Publication of FR3073627B1 publication Critical patent/FR3073627B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • G01S3/04—Details
    • G01S3/043—Receivers
    • 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
    • G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)

Abstract

La présente invention concerne un interféromètre comprenant un réseau interférométrique à P voies de réception, P étant un nombre entier supérieur ou égal à 2, chaque voie de réception étant repérée par un indice p compris entre 0 et P - 1, chaque voie de réception comportant une antenne (A0,..., A3) couplée à une chaîne de réception, chaque chaîne de réception étant suivie d'au moins deux modules de réception numérique comprenant chacun un module de conversion analogique-numérique, N étant le nombre de fréquences d'échantillonnage associées aux modules de conversion analogique-numérique appartenant au P voies de réception, N étant supérieur ou égal à 2, chaque fréquence d'échantillonnage étant référencée par un indice n, l'indice n étant compris entre 0 et N - 1, une paire de fréquences d'échantillonnage d'indices n . mod(N) et (n + 1) . mod(N) pouvant être associée à une paire de modules de conversion analogique-numérique d'une même voie de réception. :
FR1701186A 2017-11-16 2017-11-16 Interferometre et plate-forme associee Active FR3073627B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1701186A FR3073627B1 (fr) 2017-11-16 2017-11-16 Interferometre et plate-forme associee

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1701186 2017-11-16
FR1701186A FR3073627B1 (fr) 2017-11-16 2017-11-16 Interferometre et plate-forme associee

Publications (2)

Publication Number Publication Date
FR3073627A1 FR3073627A1 (fr) 2019-05-17
FR3073627B1 true FR3073627B1 (fr) 2020-02-21

Family

ID=61873344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1701186A Active FR3073627B1 (fr) 2017-11-16 2017-11-16 Interferometre et plate-forme associee

Country Status (1)

Country Link
FR (1) FR3073627B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200400771A1 (en) * 2017-11-16 2020-12-24 Thales Amplitude goniometer and associated platform

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748618B1 (fr) * 1996-05-07 1998-08-14 Thomson Csf Dispositif de mesures interferometriques avec un recepteur superheterodyne
FR3020157B1 (fr) * 2014-04-18 2016-05-27 Thales Sa Procede de detection numerique
FR3028320B1 (fr) * 2014-11-12 2016-11-11 Thales Sa Procede de detection de signaux dans un recepteur numerique ambigu en frequences et recepteur numerique mettant en oeuvre un tel procede
FR3046250B1 (fr) * 2015-12-23 2018-02-16 Thales Procede de determination de la direction d'arrivee en presence de repliement spectral et dispositif associe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200400771A1 (en) * 2017-11-16 2020-12-24 Thales Amplitude goniometer and associated platform
US11592514B2 (en) * 2017-11-16 2023-02-28 Thales Amplitude goniometer and associated platform

Also Published As

Publication number Publication date
FR3073627A1 (fr) 2019-05-17

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