JPH0366858B2 - - Google Patents
Info
- Publication number
- JPH0366858B2 JPH0366858B2 JP15523585A JP15523585A JPH0366858B2 JP H0366858 B2 JPH0366858 B2 JP H0366858B2 JP 15523585 A JP15523585 A JP 15523585A JP 15523585 A JP15523585 A JP 15523585A JP H0366858 B2 JPH0366858 B2 JP H0366858B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- satellite
- polarization
- wave
- earth
- 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
- 230000010287 polarization Effects 0.000 claims description 51
- 238000004891 communication Methods 0.000 claims description 25
- 238000005562 fading Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15523585A JPS6216631A (ja) | 1985-07-16 | 1985-07-16 | 衛星通信方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15523585A JPS6216631A (ja) | 1985-07-16 | 1985-07-16 | 衛星通信方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6216631A JPS6216631A (ja) | 1987-01-24 |
JPH0366858B2 true JPH0366858B2 (fr) | 1991-10-18 |
Family
ID=15601489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15523585A Granted JPS6216631A (ja) | 1985-07-16 | 1985-07-16 | 衛星通信方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6216631A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2022854C (fr) * | 1989-10-02 | 1995-06-06 | Bary Robert Bertiger | Antenne spatiale deployable a faisceaux multiples |
-
1985
- 1985-07-16 JP JP15523585A patent/JPS6216631A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6216631A (ja) | 1987-01-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3005482B1 (fr) | Antenne destinée à plusieurs bandes de fréquences | |
US5872547A (en) | Conical omni-directional coverage multibeam antenna with parasitic elements | |
US6590544B1 (en) | Dielectric lens assembly for a feed antenna | |
US3623114A (en) | Conical reflector antenna | |
US4594595A (en) | Circular log-periodic direction-finder array | |
EP2724418B1 (fr) | Mise en forme de faisceaux d'énergie d'alimentation rf destinée à des antennes dotées d'un réflecteur | |
JP5786244B2 (ja) | 車載指向性平板アンテナ、かかるアンテナを含む車両、およびかかる車両を含む衛星通信システム | |
US6172654B1 (en) | Conical omni-directional coverage multibeam antenna | |
US3995275A (en) | Reflector antenna having main and subreflector of diverse curvature | |
CN110401029B (zh) | 辐射方向图可重构的宽角扫描天线 | |
MXPA00010564A (es) | Antena polarizada circular, de mano izquierda, para uso con sistema gps. | |
JP2002500835A (ja) | 高周波無線信号を放射するためのアンテナ | |
US11329388B2 (en) | Antenna for transmitting and/or receiving an electromagnetic wave, and system comprising this antenna | |
US3656165A (en) | Lens polarization control | |
JPS5911007A (ja) | 2周波数帯共用のアンテナ装置 | |
US10476141B2 (en) | Ka-band high-gain earth cover antenna | |
WO2018096307A1 (fr) | Antenne réseau à balayage de fréquence | |
US4737796A (en) | Ground plane interference elimination by passive element | |
JPH0366858B2 (fr) | ||
JPH0654843B2 (ja) | 多周波帯域共用アンテナ | |
JPS6128245B2 (fr) | ||
WO1998015033A1 (fr) | Ensemble a lentille dielectrique pour antenne d'alimentation | |
JPH0566763B2 (fr) | ||
US11791562B2 (en) | Ring focus antenna system with an ultra-wide bandwidth | |
JP4006905B2 (ja) | 路車間通信システムおよび2ビーム共用アンテナ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |