DE3400729C2 - - Google Patents
Info
- Publication number
- DE3400729C2 DE3400729C2 DE19843400729 DE3400729A DE3400729C2 DE 3400729 C2 DE3400729 C2 DE 3400729C2 DE 19843400729 DE19843400729 DE 19843400729 DE 3400729 A DE3400729 A DE 3400729A DE 3400729 C2 DE3400729 C2 DE 3400729C2
- Authority
- DE
- Germany
- Prior art keywords
- lens
- horn
- cassegrain antenna
- antenna according
- exciter
- 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
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 241000726768 Carpinus Species 0.000 claims description 2
- 238000005388 cross polarization Methods 0.000 description 11
- 230000010287 polarization Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000005284 excitation Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 241001249696 Senna alexandrina Species 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013039 cover film Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
- H01Q19/10—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 reflecting surfaces
- H01Q19/18—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 reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/191—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 reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein the primary active element uses one or more deflecting surfaces, e.g. beam waveguide feeds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/08—Refracting or diffracting devices, e.g. lens, prism formed of solid dielectric material
-
- 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
- H01Q19/08—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 modifying the radiation pattern of a radiating horn in which it is located
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843400729 DE3400729A1 (de) | 1984-01-11 | 1984-01-11 | Schwenkbare cassegrain-antenne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843400729 DE3400729A1 (de) | 1984-01-11 | 1984-01-11 | Schwenkbare cassegrain-antenne |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3400729A1 DE3400729A1 (de) | 1985-07-18 |
DE3400729C2 true DE3400729C2 (enrdf_load_stackoverflow) | 1991-07-25 |
Family
ID=6224693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843400729 Granted DE3400729A1 (de) | 1984-01-11 | 1984-01-11 | Schwenkbare cassegrain-antenne |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3400729A1 (enrdf_load_stackoverflow) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5513444B2 (enrdf_load_stackoverflow) * | 1973-12-21 | 1980-04-09 | ||
FR2265190B1 (enrdf_load_stackoverflow) * | 1974-03-19 | 1978-01-06 | Thomson Csf | |
JPS51130143A (en) * | 1975-05-08 | 1976-11-12 | Kokusai Denshin Denwa Co Ltd <Kdd> | Antenna unit |
JPS52140254A (en) * | 1976-05-18 | 1977-11-22 | Mitsubishi Electric Corp | Antenna unit |
DE2947910C2 (de) * | 1979-11-28 | 1982-05-27 | Siemens AG, 1000 Berlin und 8000 München | Cassegrain-Antenne |
-
1984
- 1984-01-11 DE DE19843400729 patent/DE3400729A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3400729A1 (de) | 1985-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |