FR2736470B1 - Procede pour la conception d'une antenne hyperfrequence protegee a surface rayonnante horizontale et antennes realisees selon ce procede - Google Patents
Procede pour la conception d'une antenne hyperfrequence protegee a surface rayonnante horizontale et antennes realisees selon ce procedeInfo
- Publication number
- FR2736470B1 FR2736470B1 FR9014061A FR9014061A FR2736470B1 FR 2736470 B1 FR2736470 B1 FR 2736470B1 FR 9014061 A FR9014061 A FR 9014061A FR 9014061 A FR9014061 A FR 9014061A FR 2736470 B1 FR2736470 B1 FR 2736470B1
- Authority
- FR
- France
- Prior art keywords
- design
- produced according
- microwave antenna
- radiation surface
- horizontal radiation
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/06—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
- H01Q19/062—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens for focusing
- H01Q19/065—Zone plate type antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/04—Adaptation for subterranean or subaqueous use
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/22—Scatter propagation systems, e.g. ionospheric, tropospheric or meteor scatter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9014061A FR2736470B1 (fr) | 1990-11-13 | 1990-11-13 | Procede pour la conception d'une antenne hyperfrequence protegee a surface rayonnante horizontale et antennes realisees selon ce procede |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9014061A FR2736470B1 (fr) | 1990-11-13 | 1990-11-13 | Procede pour la conception d'une antenne hyperfrequence protegee a surface rayonnante horizontale et antennes realisees selon ce procede |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2736470A1 FR2736470A1 (fr) | 1997-01-10 |
FR2736470B1 true FR2736470B1 (fr) | 1997-12-05 |
Family
ID=9402117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9014061A Expired - Fee Related FR2736470B1 (fr) | 1990-11-13 | 1990-11-13 | Procede pour la conception d'une antenne hyperfrequence protegee a surface rayonnante horizontale et antennes realisees selon ce procede |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2736470B1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2044006B (en) * | 1978-11-23 | 1983-01-06 | Decca Ltd | Radar antenna |
ES8700891A1 (es) * | 1985-03-06 | 1986-12-01 | Gomez Moli M Elena | Procedimiento pasivo variador de las fases de las zonas de fresnel |
US4733245A (en) * | 1986-06-23 | 1988-03-22 | Ball Corporation | Cavity-backed slot antenna |
US4926186A (en) * | 1989-03-20 | 1990-05-15 | Allied-Signal Inc. | FFT-based aperture monitor for scanning phased arrays |
US5017939A (en) * | 1989-09-26 | 1991-05-21 | Hughes Aircraft Company | Two layer matching dielectrics for radomes and lenses for wide angles of incidence |
-
1990
- 1990-11-13 FR FR9014061A patent/FR2736470B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2736470A1 (fr) | 1997-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |