ATE3347T1 - Adaptives hoechstfrequenz-raumfilter und dessen verfahren der anwendung zur abschwaechung oder unterdrueckung der nebenzipfel des strahlungsdiagrammes einer antenne. - Google Patents

Adaptives hoechstfrequenz-raumfilter und dessen verfahren der anwendung zur abschwaechung oder unterdrueckung der nebenzipfel des strahlungsdiagrammes einer antenne.

Info

Publication number
ATE3347T1
ATE3347T1 AT80400164T AT80400164T ATE3347T1 AT E3347 T1 ATE3347 T1 AT E3347T1 AT 80400164 T AT80400164 T AT 80400164T AT 80400164 T AT80400164 T AT 80400164T AT E3347 T1 ATE3347 T1 AT E3347T1
Authority
AT
Austria
Prior art keywords
antenna
application
sidelobe
suppressing
reducing
Prior art date
Application number
AT80400164T
Other languages
English (en)
Inventor
Claude Chekroun
Yves Michel
Henri Sadones
Original Assignee
Societe D'etude Du Radant
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 Societe D'etude Du Radant filed Critical Societe D'etude Du Radant
Application granted granted Critical
Publication of ATE3347T1 publication Critical patent/ATE3347T1/de

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
    • 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
    • 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
    • H01Q3/44Arrangements 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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
    • H01Q3/46Active lenses or reflecting arrays

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Noise Elimination (AREA)
AT80400164T 1979-02-05 1980-02-04 Adaptives hoechstfrequenz-raumfilter und dessen verfahren der anwendung zur abschwaechung oder unterdrueckung der nebenzipfel des strahlungsdiagrammes einer antenne. ATE3347T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7902918A FR2448231A1 (fr) 1979-02-05 1979-02-05 Filtre spatial adaptatif hyperfrequence
EP80400164A EP0014650B1 (de) 1979-02-05 1980-02-04 Adaptives Höchstfrequenz-Raumfilter und dessen Verfahren der Anwendung zur Abschwächung oder Unterdrückung der Nebenzipfel des Strahlungsdiagrammes einer Antenne

Publications (1)

Publication Number Publication Date
ATE3347T1 true ATE3347T1 (de) 1983-05-15

Family

ID=9221612

Family Applications (1)

Application Number Title Priority Date Filing Date
AT80400164T ATE3347T1 (de) 1979-02-05 1980-02-04 Adaptives hoechstfrequenz-raumfilter und dessen verfahren der anwendung zur abschwaechung oder unterdrueckung der nebenzipfel des strahlungsdiagrammes einer antenne.

Country Status (5)

Country Link
US (1) US4344077A (de)
EP (1) EP0014650B1 (de)
AT (1) ATE3347T1 (de)
DE (1) DE3063006D1 (de)
FR (1) FR2448231A1 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2477784A1 (fr) * 1980-03-04 1981-09-11 Thomson Csf Procede et dispositif d'antibrouillage pour radar associe a une antenne a balayage electronique et radar comprenant un tel dispositif
FR2693039B1 (fr) * 1981-04-28 1994-09-23 Radant Etudes Panneau atténuateur spatial hyperfréquence.
FR2734409B1 (fr) * 1981-04-30 1997-06-27 Radant Etudes Procede et dispositif permettant de produire des dephasages d'un faisceau d'ondes electromagnetiques hyperfrequence
FR2514203B1 (fr) * 1981-10-05 1986-04-25 Radant Etudes Filtre adaptatif spatial hyperfrequence pour antenne a polarisation quelconque et son procede de mise en oeuvre
FR2740615B2 (fr) * 1982-10-04 1997-11-28 Radant Etudes Panneau attenuateur spatial hyperfrequence pour ondes electromagnetiques a direction quelconque
FR2723210B1 (fr) * 1983-05-06 1997-01-10 Cmh Sarl Procede et dispositif antidetection pour radar
FR2629920B1 (fr) * 1984-01-23 1991-09-20 Cmh Sarl Filtre spatial adaptatif hyperfrequence fonctionnant a la reflexion et son procede de mise en oeuvre
FR2732469B1 (fr) * 1984-01-23 1997-04-11 Cmh Sarl Dispositif utilisant une antenne auxiliaire equipee d'un filtre spatial adaptatif pour l'embrouillage d'une antenne principale associee, et son procede de mise en oeuvre
US4604629A (en) * 1984-04-23 1986-08-05 Hazeltine Corporation Axial conductance angular filter
FR2714768B1 (fr) * 1984-07-12 1996-07-05 Radant Etudes Dispositif de balayage électronique à lentille active et source illuminatrice intégrée.
US4638324A (en) * 1984-12-10 1987-01-20 Hazeltine Corporation Resistive loop angular filter
FR2718248B1 (fr) * 1986-01-20 1996-08-30 Thomson Csf Radant Procédé d'exploitation par le calcul de signaux radar et dispositif pour sa mise en Óoeuvre.
FR2597268B1 (fr) * 1986-04-11 1988-06-24 Centre Nat Rech Scient Procede et dispositif de focalisation, sur un point a examiner, des antennes d'un reseau
DE3744511A1 (de) * 1987-12-30 1989-07-20 Axel Dr Ing Sedlmeyer Verfahren zur gesteuerten verteilung im spektralbereich der elektromagnetischen bzw. akustischen energie, die einen beliebig geformten koerper durchstrahlt oder/und von diesem reflektiert wird, um die detektierbarkeit zu erschweren, sowie zur indirekten reduzierung des rueckstrahlquerschnitts
FR2738398B1 (fr) * 1988-04-08 1997-11-28 Thomson Csf Radant Panneau dephaseur a diodes et son application a une lentille hyperfrequence et une antenne a balayage electronique
FR2736778B1 (fr) * 1988-05-06 2000-08-04 Bony Gerard Procede et systeme pour l'attenuation de l'effet de brouilleurs sur une antenne de reception de signaux radioelectriques
FR2656468B1 (fr) * 1989-12-26 1993-12-24 Thomson Csf Radant Source de rayonnement microonde magique et son application a une antenne a balayage electronique.
FR2747842B1 (fr) * 1990-06-15 1998-09-11 Thomson Csf Radant Lentille hyperfrequence multibande et son application a une antenne a balayage electronique
FR2725077B1 (fr) * 1990-11-06 1997-03-28 Thomson Csf Radant Lentille hyperfrequence bipolarisation et son application a une antenne a balayage electronique
FR2671194B1 (fr) * 1990-12-27 1993-12-24 Thomson Csf Radant Systeme de protection d'un equipement electronique.
US5170169A (en) * 1991-05-31 1992-12-08 Millitech Corporation Quasi-optical transmission/reflection switch and millimeter-wave imaging system using the same
FR2786610B1 (fr) 1997-02-03 2001-04-27 Thomson Csf Reflecteur hyperfrequence actif pour antenne a balayage electronique
SE513226C2 (sv) 1998-12-03 2000-08-07 Ericsson Telefon Ab L M Kontinuerligt apertursvepande antenn
FR2789521A1 (fr) 1999-02-05 2000-08-11 Thomson Csf Antenne a balayage electronique bi-bande, a reflecteur hyperfrequence actif
FR2801729B1 (fr) * 1999-11-26 2007-02-09 Thomson Csf Reflecteur hyperfrequence actif a balayage electronique
FR2807213B1 (fr) 2000-03-31 2003-07-25 Thomson Csf Dephaseur hyperfrequence, et antenne a balayage electronique comportant de tels dephaseurs
FR2812457B1 (fr) 2000-07-28 2004-05-28 Thomson Csf Reflecteur hyperfrequence actif a bi-polarisation, notamment pour antenne a balalyage electronique
US6885355B2 (en) * 2002-07-11 2005-04-26 Harris Corporation Spatial filtering surface operative with antenna aperture for modifying aperture electric field
US6806843B2 (en) * 2002-07-11 2004-10-19 Harris Corporation Antenna system with active spatial filtering surface
US20060082511A1 (en) * 2004-09-27 2006-04-20 Osterhues Gordon D Electronically controlled dual polarizer
US7420523B1 (en) 2005-09-14 2008-09-02 Radant Technologies, Inc. B-sandwich radome fabrication
US7463212B1 (en) 2005-09-14 2008-12-09 Radant Technologies, Inc. Lightweight C-sandwich radome fabrication
EP2618128A1 (de) * 2012-01-19 2013-07-24 Canon Kabushiki Kaisha Erkennungsvorrichtung, Detektor und Bilderzeugungsvorrichtung damit
US9099782B2 (en) 2012-05-29 2015-08-04 Cpi Radant Technologies Division Inc. Lightweight, multiband, high angle sandwich radome structure for millimeter wave frequencies

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2959783A (en) * 1948-03-16 1960-11-08 Iams Harley Scanning antennas using dielectric with variable refraction
US2867801A (en) * 1953-09-14 1959-01-06 Elliott Brothers London Ltd High frequency radio aerials
US2986734A (en) * 1958-07-02 1961-05-30 Mini Of Supply Electromagnetic wave lens and mirror systems
US3213454A (en) * 1960-03-21 1965-10-19 Litton Ind Of Maryland Frequency scanned antenna array
GB1047471A (de) * 1962-05-03 1900-01-01
US3276023A (en) * 1963-05-21 1966-09-27 Dorne And Margolin Inc Grid array antenna
US3354461A (en) * 1963-11-15 1967-11-21 Kenneth S Kelleher Steerable antenna array
US3413637A (en) * 1967-04-12 1968-11-26 Hughes Aircraft Co Multifunction antenna having selective radiation patterns
US3569974A (en) * 1967-12-26 1971-03-09 Raytheon Co Dual polarization microwave energy phase shifter for phased array antenna systems
FR2063967B1 (de) * 1969-10-15 1973-10-19 Bony Gilbert
US3955201A (en) * 1974-07-29 1976-05-04 Crump Lloyd R Radar randome antenna with switchable R.F. transparency/reflectivity
US3961333A (en) * 1974-08-29 1976-06-01 Texas Instruments Incorporated Radome wire grid having low pass frequency characteristics
US4021812A (en) * 1975-09-11 1977-05-03 The United States Of America As Represented By The Secretary Of The Air Force Layered dielectric filter for sidelobe suppression
US4169268A (en) * 1976-04-19 1979-09-25 The United States Of America As Represented By The Secretary Of The Air Force Metallic grating spatial filter for directional beam forming antenna
US4074268A (en) * 1976-06-21 1978-02-14 Hoffman Electronics Corporation Electronically scanned antenna
FR2395620A1 (fr) * 1977-06-24 1979-01-19 Radant Etudes Perfectionnement au procede de balayage electronique utilisant des panneaux dielectriques dephaseurs

Also Published As

Publication number Publication date
US4344077A (en) 1982-08-10
EP0014650A1 (de) 1980-08-20
DE3063006D1 (en) 1983-06-16
FR2448231A1 (fr) 1980-08-29
EP0014650B1 (de) 1983-05-11
FR2448231B1 (de) 1983-06-24

Similar Documents

Publication Publication Date Title
ATE3347T1 (de) Adaptives hoechstfrequenz-raumfilter und dessen verfahren der anwendung zur abschwaechung oder unterdrueckung der nebenzipfel des strahlungsdiagrammes einer antenne.
JPS5230940A (en) High-frequency heating apparatus
MX166487B (es) Revestimiento para blindaje contra interferencia por ondas electromagneticas y metodo para aplicarlo
GB1074897A (en) Wide-band radio wave interference laminates with matching in several wave ranges
IL54322A0 (en) Method for the treatment of wood by a wood preserving agent and wood treated with such a wood preservative agent
LU80555A1 (de) Adaptiv arbeitendes verfahren und radarempfaenger zur unterdrueckung von stoeranteilen des dopplerspektrums
GB2189348B (en) Adaptive antenna arrays for frequency hopped systems
DE69115544D1 (de) Verfahren zur Formung des Strahlendiagrammes einer aktiven Radarantenne mit elektronisch gesteuerter Ablenkung, und Antenne dazu
FR2514203B1 (fr) Filtre adaptatif spatial hyperfrequence pour antenne a polarisation quelconque et son procede de mise en oeuvre
IT1129957B (it) Impianto per comunicazioni elettriche con onde elettromagnetiche
DE3061878D1 (en) Magnetostatic wave device comprising attenuating means, and process for its manufacture
JPS529994A (en) Method and device for treating better or worse neoplasm using high frequency electromagnetic radiation
DE3360819D1 (en) Carbamate derivatives, process for producing the same and herbicides comprising the compounds as an effective component
JPS5233606A (en) Process for preparing aminal and application as agricultural chemicals
BR7903111A (pt) Processo para tratar graos ou sementes,e graos ou sementes tratados pelo processo
BR7802439A (pt) Processo para tratamento de plantas de cereais
JPS5685899A (en) Method and device for shielding radio wave dark chamber
ES289279A1 (es) Antena para ondas decimétricas
DE926143C (de) Anordnung zur Verminderung der Abstrahlung von Nebenzipfeln bei Richtfunkantennen
DE436380C (de) Anordnung zur Verbesserung der Ausstrahlung in den Raum, insbesondere bei Kurzwellengeraeten
JPS53108261A (en) Antenna device
JPS5451216A (en) Ground stabilizing treating method
JPS5437662A (en) Suppressing system of si de lobe reception signal of antenna
HARRIS et al. High power controller and ICS[Final Report]
JPS5434153A (en) High frequency heating device radiowave leakage preventive device

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties