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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements 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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/44—Arrangements 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
- H01Q3/46—Active lenses or reflecting arrays
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Noise Elimination (AREA)
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)
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)
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 |
-
1979
- 1979-02-05 FR FR7902918A patent/FR2448231A1/fr active Granted
-
1980
- 1980-01-31 US US06/117,243 patent/US4344077A/en not_active Expired - Lifetime
- 1980-02-04 DE DE8080400164T patent/DE3063006D1/de not_active Expired
- 1980-02-04 AT AT80400164T patent/ATE3347T1/de not_active IP Right Cessation
- 1980-02-04 EP EP80400164A patent/EP0014650B1/de not_active Expired
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |