JPH0365042B2 - - Google Patents
Info
- Publication number
- JPH0365042B2 JPH0365042B2 JP2016481A JP2016481A JPH0365042B2 JP H0365042 B2 JPH0365042 B2 JP H0365042B2 JP 2016481 A JP2016481 A JP 2016481A JP 2016481 A JP2016481 A JP 2016481A JP H0365042 B2 JPH0365042 B2 JP H0365042B2
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- antenna
- sinα
- main
- closed curve
- 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
Links
- 239000013598 vector Substances 0.000 claims description 15
- 238000013507 mapping Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 238000005388 cross polarization Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 101150064138 MAP1 gene Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 235000009566 rice Nutrition 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
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016481A JPS57135503A (en) | 1981-02-16 | 1981-02-16 | Double reflecting mirror antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016481A JPS57135503A (en) | 1981-02-16 | 1981-02-16 | Double reflecting mirror antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57135503A JPS57135503A (en) | 1982-08-21 |
| JPH0365042B2 true JPH0365042B2 (es) | 1991-10-09 |
Family
ID=12019510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016481A Granted JPS57135503A (en) | 1981-02-16 | 1981-02-16 | Double reflecting mirror antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57135503A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61182303A (ja) * | 1985-02-07 | 1986-08-15 | Nippon Telegr & Teleph Corp <Ntt> | オフセツト形複反射鏡アンテナ |
-
1981
- 1981-02-16 JP JP2016481A patent/JPS57135503A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57135503A (en) | 1982-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3922682A (en) | Aberration correcting subreflectors for toroidal reflector antennas | |
| US4298877A (en) | Offset-fed multi-beam tracking antenna system utilizing especially shaped reflector surfaces | |
| JPS6311806B2 (es) | ||
| US4535338A (en) | Multibeam antenna arrangement | |
| JPH0359603B2 (es) | ||
| JPH0352682B2 (es) | ||
| JPH0359602B2 (es) | ||
| US4491848A (en) | Substantially frequency-independent aberration correcting antenna arrangement | |
| JPH0373171B2 (es) | ||
| US4109253A (en) | Method and apparatus for substantially reducing cross polarized radiation in offset reflector antennas | |
| JPH0365042B2 (es) | ||
| JPS603210A (ja) | 多周波帯域共用アンテナ | |
| JPS62154905A (ja) | マルチビ−ムアンテナ | |
| JP2605939B2 (ja) | マルチビームアンテナ | |
| JP2643560B2 (ja) | マルチビームアンテナ | |
| JP2539104B2 (ja) | アンテナ装置 | |
| JP2710416B2 (ja) | 楕円開口複反射鏡アンテナ | |
| JPS60264106A (ja) | 成形反射鏡空中線 | |
| JP2822768B2 (ja) | アンテナ装置 | |
| JPS5939104A (ja) | 成形ビ−ムアンテナ | |
| JPS6129569B2 (es) | ||
| JPH09246855A (ja) | 球面鏡アンテナ | |
| JPH053762B2 (es) | ||
| JPS6129570B2 (es) | ||
| JPS6056003B2 (ja) | 複反射鏡アンテナ装置 |