JPH0310285U - - Google Patents
Info
- Publication number
- JPH0310285U JPH0310285U JP7055389U JP7055389U JPH0310285U JP H0310285 U JPH0310285 U JP H0310285U JP 7055389 U JP7055389 U JP 7055389U JP 7055389 U JP7055389 U JP 7055389U JP H0310285 U JPH0310285 U JP H0310285U
- Authority
- JP
- Japan
- Prior art keywords
- radio waves
- antennas
- antenna
- received
- radio
- 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 4
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図はこの考案による電波反射装置の一実施
例の構成図、第２図は従来の電波反射装置の一例
を示す構成図、第３図は電波反射装置とレーダ等
との関係を示す図、第４図はレーダ等のアンテナ
のボアサイトのずれの計算結果を示す図である。
図中、１……アンテナ、２……サーキユレータ
、３……マイクロ波増幅器、４……１８０°移相
器、５……利得制御器、６……電波反射装置全体
、７……相手側のレーダ等、８……レーダ等のア
ンテナ、９……アンテナのボアサイト、１０……
基準軸線、１１……アンテナのボアサイトのずれ
、１２……レーダ等から電波反射装置を見た視準
線、１３……視準線と基準軸線のずれ、１４……
可変移相器、１５……移相量制御器である。なお
、各図中同一符号は同一または相当部分を示すも
のとする。
Fig. 1 is a block diagram of an embodiment of a radio wave reflecting device according to this invention, Fig. 2 is a block diagram showing an example of a conventional radio wave reflecting device, and Fig. 3 is a diagram showing the relationship between the radio wave reflecting device and a radar etc. , FIG. 4 is a diagram showing the calculation result of the boresight deviation of an antenna such as a radar. In the figure, 1... Antenna, 2... Circulator, 3... Microwave amplifier, 4... 180° phase shifter, 5... Gain controller, 6... Entire radio wave reflection device, 7... Other party's Radar, etc., 8... Antenna of radar, etc., 9... Antenna boresight, 10...
Reference axis line, 11... Displacement of antenna boresight, 12... Line of sight as viewed from a radio wave reflecting device from radar etc., 13... Disparity between line of sight and reference axis line, 14...
Variable phase shifter, 15... Phase shift amount controller. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
波を電波の到来方向にむけて再放射するための所
定の間隔で配置された対をなす２個のアンテナと
、上記２個のアンテナの一方のアンテナで受信さ
れた電波を、それに対応するマイクロ波増幅器に
導き、かつ増幅された電波を再放射させるために
もう一方のアンテナに導くための２個のサーキユ
レータと、上記それぞれのアンテナで受信した電
波を増幅する２個のマイクロ波増幅器と、上記２
個のアンテナから電波の到来方向へ再放射する電
波の位相を逆相（１８０°）になるように設定す
るために上記一方のサーキユレータと上記マイク
ロ波増幅器の間に取り付ける１８０°移相器とか
ら構成される電波反射装置において、上記２個の
アンテナから再放射される電波の大きさを、所定
の量だけ異なるように設定し、かつさの大小を所
定の時間間隔で切換えるために、上記２つのマイ
クロ波増幅器の利得をそれぞれ独立に制御する利
得制御器を付加したことを特徴とする電波反射装
置。 A pair of antennas arranged at a predetermined interval for receiving incoming radio waves from radar etc. and re-radiating the received radio waves in the direction of arrival of the radio waves, and one of the two antennas. Two circulators that guide the radio waves received by the antenna to the corresponding microwave amplifier and guide the amplified radio waves to the other antenna for re-radiation, and the radio waves received by each of the above antennas. two microwave amplifiers that amplify the
a 180° phase shifter installed between one of the circulators and the microwave amplifier to set the phase of the radio waves re-radiated from the antenna in the direction of arrival of the radio waves to be in reverse phase (180°); In the radio wave reflecting device configured, in order to set the magnitude of the radio waves re-radiated from the two antennas to be different by a predetermined amount, and to switch the magnitude of the height at a predetermined time interval, A radio wave reflecting device characterized by adding a gain controller that independently controls the gains of two microwave amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7055389U JPH0310285U (en) | 1989-06-16 | 1989-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7055389U JPH0310285U (en) | 1989-06-16 | 1989-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0310285U true JPH0310285U (en) | 1991-01-31 |
Family
ID=31606800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7055389U Pending JPH0310285U (en) | 1989-06-16 | 1989-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0310285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240826U (en) * | 1975-09-13 | 1977-03-23 |
-
1989
- 1989-06-16 JP JP7055389U patent/JPH0310285U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5240826U (en) * | 1975-09-13 | 1977-03-23 |
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