JPH0344682U - - Google Patents
Info
- Publication number
- JPH0344682U JPH0344682U JP10647289U JP10647289U JPH0344682U JP H0344682 U JPH0344682 U JP H0344682U JP 10647289 U JP10647289 U JP 10647289U JP 10647289 U JP10647289 U JP 10647289U JP H0344682 U JPH0344682 U JP H0344682U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- antenna
- channel signal
- integrator
- main
- 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
Landscapes
- Radar Systems Or Details Thereof (AREA)
Description
第１図はこの考案の一実施例を示す図、第２図
はこの考案の他の実施例を示す図、第３図、第４
図は従来の装置の実施例を示す図である。
図において、１……主アンテナ、２……補助ア
ンテナ、３……ＲＦ増幅器、４……ミキサ、５…
…局部発振器、６……ＩＦ回路、７……ＳＬＣ回
路、８……パワーデバイダ、９……９０゜ハイブ
リツド、１０……パワーコンバイナ、１１……変
調器、１２……９０゜バイブリツド、１３……相
関器、１４……パワーデバイダ、１５……増幅器
、１６……積分器、１７……減算器、１８……パ
ワーデバイダ、１９……方向性結合器、２０……
電力比較回路、２１……スイツチドライバ、２２
……スイツチ、２３……ＤＣスイツチである。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。
Figure 1 shows one embodiment of this invention, Figure 2 shows another embodiment of this invention, Figures 3 and 4.
The figure shows an example of a conventional device. In the figure, 1...main antenna, 2...auxiliary antenna, 3...RF amplifier, 4...mixer, 5...
... Local oscillator, 6 ... IF circuit, 7 ... SLC circuit, 8 ... Power divider, 9 ... 90° hybrid, 10 ... Power combiner, 11 ... Modulator, 12 ... 90° hybrid, 13 ... ... Correlator, 14 ... Power divider, 15 ... Amplifier, 16 ... Integrator, 17 ... Subtractor, 18 ... Power divider, 19 ... Directional coupler, 20 ...
Power comparison circuit, 21...Switch driver, 22
...Switch, 23...DC switch. It should be noted that the same or corresponding parts in the drawings are designated by the same reference numerals.
Claims (1)
、上記主アンテナで受信した主チヤンネル信号と
上記妨害波受信用補助アンテナで受信した補助チ
ヤンネル信号との相関をとる周波数相関器と、上
記周波数相関器の出力を積分する積分器と、上記
積分器出力信号により上記補助チヤンネル信号に
複素変調をかける変調器と、上記主チヤンネル信
号から複素変調された上記補助チヤンネル信号を
減算する減算器とで構成された妨害波除去装置に
おいて、上記主アンテナ受信電力を検出する方向
性結合器と、上記補助アンテナ受信電力を検出す
る方向性結合器と、上記の２つの方向性結合器の
検出電力を比較する電力比較回路と、上記変調器
の出力段に接続され変調器の出力信号を入・切す
るスイツチとを設けたことを特徴とする妨害波除
去装置。 (2) 主アンテナと妨害波受信用補助アンテナと
、上記主アンテナで受信した主チヤンネル信号と
上記妨害波受信用補助アンテナで受信した補助チ
ヤンネル信号との相関をとる周波数相関器と、上
記周波数相関器の出力を積分する積分器と、上記
積分器出力信号により上記補助チヤンネル信号に
複素変調をかける変調器と、上記主チヤンネル信
号から複素変調された上記補助チヤンネル信号を
減算する減算器とで構成された妨害波除去装置に
おいて、上記主アンテナ受信電力を検出する方向
性結合器と上記補助アンテナ受信電力を検出する
方向性結合器と、上記の２つの方向性結合器の検
出電力を比較する電力比較回路と、上記積分器に
接続され積分器の出力信号を入・切するスイツチ
とを設けたことを特徴とする妨害波除去装置。[Claims for Utility Model Registration] (1) Correlation between the main antenna and the auxiliary antenna for receiving interference waves, and the main channel signal received by the main antenna and the auxiliary channel signal received by the auxiliary antenna for receiving interference waves. a frequency correlator, an integrator that integrates the output of the frequency correlator, a modulator that applies complex modulation to the auxiliary channel signal using the integrator output signal, and the auxiliary channel signal that is complex modulated from the main channel signal. A directional coupler that detects the received power of the main antenna, a directional coupler that detects the received power of the auxiliary antenna, and a directional coupler that detects the received power of the auxiliary antenna; An interference wave removal device comprising: a power comparison circuit for comparing the detected powers of the coupler; and a switch connected to the output stage of the modulator for turning on/off the output signal of the modulator. (2) a main antenna, an auxiliary antenna for interference wave reception, a frequency correlator that correlates the main channel signal received by the main antenna and an auxiliary channel signal received by the auxiliary antenna for interference wave reception, and the frequency correlator; an integrator that integrates the output of the integrator, a modulator that applies complex modulation to the auxiliary channel signal using the integrator output signal, and a subtracter that subtracts the complex modulated auxiliary channel signal from the main channel signal. A directional coupler for detecting the received power of the main antenna, a directional coupler for detecting the received power of the auxiliary antenna, and a power for comparing the detected powers of the two directional couplers. An interference wave removal device comprising a comparison circuit and a switch connected to the integrator to turn on/off the output signal of the integrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10647289U JPH0344682U (en) | 1989-09-11 | 1989-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10647289U JPH0344682U (en) | 1989-09-11 | 1989-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344682U true JPH0344682U (en) | 1991-04-25 |
Family
ID=31655201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10647289U Pending JPH0344682U (en) | 1989-09-11 | 1989-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344682U (en) |
-
1989
- 1989-09-11 JP JP10647289U patent/JPH0344682U/ja active Pending
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