JPS6453981U - - Google Patents
Info
- Publication number
- JPS6453981U JPS6453981U JP14997187U JP14997187U JPS6453981U JP S6453981 U JPS6453981 U JP S6453981U JP 14997187 U JP14997187 U JP 14997187U JP 14997187 U JP14997187 U JP 14997187U JP S6453981 U JPS6453981 U JP S6453981U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- input
- power distribution
- synthesis circuit
- synthetic aperture
- 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.)
- Pending
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
第１図はこの考案の一実施例による合成開口レ
ーダ用アンテナ装置の利用例を示す図、第２図は
この考案の一実施例を示すアンテナの構成図、第
３図は従来の合成開口レーダ用アンテナ装置の利
用例を示す図、第４図は従来のアンテナ装置の構
成図である。
図において、１はアンテナ、２は衛星、３はビ
ーム、９はアンテナ、１０は電力分配合成回路、
１１は可変電力分配器、１２は可変移相器である
。なお、図中同一あるいは相当部分には同一符号
を付して示してある。
Fig. 1 is a diagram showing an example of the use of a synthetic aperture radar antenna device according to an embodiment of this invention, Fig. 2 is a configuration diagram of an antenna showing an embodiment of this invention, and Fig. 3 is a diagram showing a conventional synthetic aperture radar. FIG. 4 is a configuration diagram of a conventional antenna device. In the figure, 1 is an antenna, 2 is a satellite, 3 is a beam, 9 is an antenna, 10 is a power distribution/synthesis circuit,
11 is a variable power divider, and 12 is a variable phase shifter. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.
Claims (1)
子を平面上に配列して１つの開口を形成し、前記
アンテナ素子の入出力端を電力分配合成回路によ
り結合し、一入出力端子を有するアンテナを構成
した合成開口レーダ用アンテナ装置において、前
記電力分配合成回路の所定の箇所に可変電力分配
器、および可変移相器を挿入設置し、アンテナビ
ームの電子式制御による走査及び成形を可能にし
たことを特徴とする合成開口レーダ用アンテナ装
置。 The antenna is mounted on an aircraft, a satellite, etc., and has a plurality of antenna elements arranged on a plane to form one aperture, and the input and output terminals of the antenna elements are coupled by a power distribution/synthesis circuit to form an antenna having one input and output terminal. In the constructed antenna device for synthetic aperture radar, a variable power divider and a variable phase shifter are inserted and installed at predetermined locations of the power distribution/synthesis circuit to enable scanning and shaping of the antenna beam by electronic control. An antenna device for synthetic aperture radar characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14997187U JPS6453981U (en) | 1987-09-30 | 1987-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14997187U JPS6453981U (en) | 1987-09-30 | 1987-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6453981U true JPS6453981U (en) | 1989-04-03 |
Family
ID=31422688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14997187U Pending JPS6453981U (en) | 1987-09-30 | 1987-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6453981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297796A (en) * | 2003-03-27 | 2004-10-21 | Andrew Corp | Adjustable beamwidth type and azimuth scanning type antenna with dipole element |
-
1987
- 1987-09-30 JP JP14997187U patent/JPS6453981U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004297796A (en) * | 2003-03-27 | 2004-10-21 | Andrew Corp | Adjustable beamwidth type and azimuth scanning type antenna with dipole element |
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