JPH044414U - - Google Patents
Info
- Publication number
- JPH044414U JPH044414U JP4413590U JP4413590U JPH044414U JP H044414 U JPH044414 U JP H044414U JP 4413590 U JP4413590 U JP 4413590U JP 4413590 U JP4413590 U JP 4413590U JP H044414 U JPH044414 U JP H044414U
- Authority
- JP
- Japan
- Prior art keywords
- complex
- array antenna
- excitation
- amplitude
- diagram showing
- 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
- 230000005284 excitation Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 239000002131 composite material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
第１図は、この考案に係わるアレーアンテナの
構成を示す図、第２図は共相励振時のアレーアン
テナおよび素子パターンを示す図、第３図は合成
パターンを示す図、第４図は複素振幅の合成を示
す図、第５図は従来のナルフイリングパターンを
有するアンテナの構成を示す図、第６図は主たる
アレーアンテナの放射パターンおよび副アンテナ
の放射パターンを示す図、第７図は合成放射パタ
ーン図である。図において、１は主たるアレーア
ンテナ、２はアレーアンテナを構成する素子アン
テナ列、３は共相励振時の放射パターン、４は素
子アンテナの放射パターン、５は合成放射パター
ン、６は副アンテナ、７は電力合成／分配回路、
８は副アンテナの放射パターンを示す。なお、図
中、同一符号は同一または相当部分を示す。
Fig. 1 is a diagram showing the configuration of the array antenna according to this invention, Fig. 2 is a diagram showing the array antenna and element pattern during co-phase excitation, Fig. 3 is a diagram showing the composite pattern, and Fig. 4 is a diagram showing the complex pattern. Figure 5 is a diagram showing the composition of amplitudes, Figure 5 is a diagram showing the configuration of an antenna with a conventional Null Filling pattern, Figure 6 is a diagram showing the radiation pattern of the main array antenna and the radiation pattern of the sub antenna, and Figure 7 is a diagram showing the radiation pattern of the main array antenna and the sub-antenna. FIG. 3 is a diagram of a composite radiation pattern. In the figure, 1 is the main array antenna, 2 is a row of element antennas forming the array antenna, 3 is a radiation pattern during co-phase excitation, 4 is a radiation pattern of the element antenna, 5 is a composite radiation pattern, 6 is a sub antenna, 7 is a power combining/distributing circuit,
8 shows the radiation pattern of the sub antenna. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
構成される平面アレーアンテナにおいて、これを
共相励振した場合の励振吹く素振幅分布をａｉ（
ｉ＝１〜２ｎ−１）とした時、中心列の励振複素
振幅だけを、もとの複素振幅ａｉと、これと９０
°位相の異なる複素振幅ｂｉとを複素合成して得
るれるｃｉに置きかえることにより、ナルフイリ
ングパターンを合成したことを特徴とするアレー
アンテナ。 In a planar array antenna composed of 2n-1 (n: natural number) rows of element antennas, the elementary amplitude distribution of the excitation when it is excited in phase is a i (
i = 1 to 2n-1), only the excitation complex amplitude of the center row is the original complex amplitude a i and this and 90
An array antenna characterized in that a Null filling pattern is synthesized by replacing complex amplitudes b i with different phases with c i obtained by complex synthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4413590U JPH044414U (en) | 1990-04-25 | 1990-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4413590U JPH044414U (en) | 1990-04-25 | 1990-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044414U true JPH044414U (en) | 1992-01-16 |
Family
ID=31557166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4413590U Pending JPH044414U (en) | 1990-04-25 | 1990-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044414U (en) |
-
1990
- 1990-04-25 JP JP4413590U patent/JPH044414U/ja active Pending
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