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
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
- 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
- G01S7/28—Details of pulse systems
- G01S7/2813—Means 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
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- 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
- H01Q3/2617—Array of identical elements
- H01Q3/2623—Array 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)
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 (de) | 1975-05-02 |
FR2246880B1 FR2246880B1 (de) | 1977-04-29 |
Family
ID=10480880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7042703A Expired FR2246880B1 (de) | 1969-11-27 | 1970-11-27 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2246880B1 (de) |
GB (1) | GB1389817A (de) |
Cited By (1)
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)
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 |
-
1969
- 1969-11-27 GB GB5815069A patent/GB1389817A/en not_active Expired
-
1970
- 1970-11-27 FR FR7042703A patent/FR2246880B1/fr not_active Expired
Cited By (3)
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 (de) * | 1982-05-27 | 1983-12-28 | Thomson-Csf | Verfahren und Vorrichtung zur Verringerung des Störsignalpegels, empfangen über die Nebenzipfel einer Radarantenne |
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 |
---|---|
FR2246880B1 (de) | 1977-04-29 |
GB1389817A (en) | 1975-04-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |