JPH0277917U - - Google Patents
Info
- Publication number
- JPH0277917U JPH0277917U JP13485089U JP13485089U JPH0277917U JP H0277917 U JPH0277917 U JP H0277917U JP 13485089 U JP13485089 U JP 13485089U JP 13485089 U JP13485089 U JP 13485089U JP H0277917 U JPH0277917 U JP H0277917U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- array antenna
- array
- antenna elements
- center
- 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
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
図面はこの考案に係わるアレイアンテナ装置の
一実施例を示すもので、第１図はアレイアンテナ
装置の電流分布係数を説明するために示す図、第
２図はこの考案によるアレイアンテナ装置のデイ
レクシヨナル・サイドビンド指向性を示す図、第
３図ａは実際の素子配列を示す図、同図ｂは同図
ａにおける各素子の給電比を示す図である。
１Ｌ〜１２Ｌ，１Ｒ〜１２Ｒ…素子アンテナ。
The drawings show an embodiment of the array antenna device according to this invention. FIG. 1 is a diagram for explaining the current distribution coefficient of the array antenna device, and FIG. 2 is a diagram showing the directional distribution coefficient of the array antenna device according to this invention. FIG. 3A is a diagram showing the sidebin directivity, FIG. 3A is a diagram showing an actual element arrangement, and FIG. 3B is a diagram showing the feed ratio of each element in FIG. 3A. 1L to 12L, 1R to 12R...element antenna.
Claims (1)
ナを有し、航空機の着陸誘導のために電波を送出
するローカライザに用いられるアレイアンテナ装
置において、前記アレイアンテナのアンテナ素子
数を２４とし、かつ前記アンテナ素子の素子間隔
を０．６λ（λは波長）で等間隔にすると共に、
前記アレイアンテナの中央部に近いアンテナ素子
から順にかつアレイアンテナの中央部から等距離
にある２つのアンテナ素子に同一の素子番号１乃
至１２を付したときの各アンテナ素子に対する給
電比をそれぞれ としたことを特徴とするアレイアンテナ装置。[Claims for Utility Model Registration] In an array antenna device that has an array antenna composed of a plurality of antenna elements and is used in a localizer that transmits radio waves for landing guidance of an aircraft, the number of antenna elements of the array antenna is 24, and the element spacing of the antenna elements is equally spaced at 0.6λ (λ is the wavelength), and
When two antenna elements located at the same distance from the center of the array antenna are assigned the same element numbers 1 to 12 in order from the antenna element closest to the center of the array antenna, the feeding ratio for each antenna element is as follows. An array antenna device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13485089U JPH0277917U (en) | 1989-11-22 | 1989-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13485089U JPH0277917U (en) | 1989-11-22 | 1989-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0277917U true JPH0277917U (en) | 1990-06-14 |
Family
ID=31393966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13485089U Pending JPH0277917U (en) | 1989-11-22 | 1989-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0277917U (en) |
-
1989
- 1989-11-22 JP JP13485089U patent/JPH0277917U/ja active Pending
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