FR2246880A1 - - Google Patents

Info

Publication number
FR2246880A1
FR2246880A1 FR7042703A FR7042703A FR2246880A1 FR 2246880 A1 FR2246880 A1 FR 2246880A1 FR 7042703 A FR7042703 A FR 7042703A FR 7042703 A FR7042703 A FR 7042703A FR 2246880 A1 FR2246880 A1 FR 2246880A1
Authority
FR
France
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
FR7042703A
Other versions
FR2246880B1 (fr
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Publication of FR2246880A1 publication Critical patent/FR2246880A1/fr
Application granted granted Critical
Publication of FR2246880B1 publication Critical patent/FR2246880B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28Details of pulse systems
    • G01S7/2813Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611Means for null steering; Adaptive interference nulling
    • H01Q3/2617Array of identical elements
    • H01Q3/2623Array of identical elements composed of two antennas

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)
FR7042703A 1969-11-27 1970-11-27 Expired FR2246880B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5815069A GB1389817A (en) 1969-11-27 1969-11-27 Radar systems

Publications (2)

Publication Number Publication Date
FR2246880A1 true FR2246880A1 (fr) 1975-05-02
FR2246880B1 FR2246880B1 (fr) 1977-04-29

Family

ID=10480880

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7042703A Expired FR2246880B1 (fr) 1969-11-27 1970-11-27

Country Status (2)

Country Link
FR (1) FR2246880B1 (fr)
GB (1) GB1389817A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527785A1 (fr) * 1982-05-27 1983-12-02 Thomson Csf Procede et dispositif de reduction de la puissance des signaux de brouillage recus par les lobes lateraux d'une antenne radar

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646924B1 (fr) * 1976-07-13 1991-10-25 Thomson Csf Procede et dispositif d'antibrouillage d'un equipement de detection electromagnetique comportant une antenne a reflecteur, antenne et equipement ainsi obtenus
DE2912087C2 (de) * 1979-03-27 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Antenne mit einem unerwünschte Nullstellen aufweisenden Diagramm
US5185608A (en) * 1980-12-29 1993-02-09 Raytheon Company All weather tactical strike system (AWISS) and method of operation
US4651155A (en) * 1982-05-28 1987-03-17 Hazeltine Corporation Beamforming/null-steering adaptive array
US4872016A (en) * 1988-09-06 1989-10-03 Grumman Aerospace Corporation Data processing system for a phased array antenna
US8902102B2 (en) * 2011-11-01 2014-12-02 The Boeing Company Passive bistatic radar for vehicle sense and avoid

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527785A1 (fr) * 1982-05-27 1983-12-02 Thomson Csf Procede et dispositif de reduction de la puissance des signaux de brouillage recus par les lobes lateraux d'une antenne radar
EP0097073A1 (fr) * 1982-05-27 1983-12-28 Thomson-Csf Procédé et dispositif de réduction de la puissance de signaux de brouillage reçus par les lobes latéraux d'une antenne radar
US4672378A (en) * 1982-05-27 1987-06-09 Thomson-Csf Method and apparatus for reducing the power of jamming signals received by radar antenna sidelobes

Also Published As

Publication number Publication date
GB1389817A (en) 1975-04-09
FR2246880B1 (fr) 1977-04-29

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse