JPH0266037U - - Google Patents
Info
- Publication number
- JPH0266037U JPH0266037U JP14528088U JP14528088U JPH0266037U JP H0266037 U JPH0266037 U JP H0266037U JP 14528088 U JP14528088 U JP 14528088U JP 14528088 U JP14528088 U JP 14528088U JP H0266037 U JPH0266037 U JP H0266037U
- Authority
- JP
- Japan
- Prior art keywords
- channel signal
- interference wave
- wave removal
- circuit
- antenna
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000002596 correlated effect Effects 0.000 claims 1
Landscapes
- Noise Elimination (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
第１図はこの考案による一実施例を示す図、第
２図、第３図は従来の装置の一実施例を示す図で
ある。
図において、１は主アンテナ、２は補助アンテ
ナ、３はＲＦ増幅器、４はミキサ、５は局部発振
器、６はＩＦ回路、７はＳＬＣ装置、８は方向性
結合器、９は検波器、１０は相関器、１１はパワ
ーデバイダ、１２は９０°ハイブリツド、１３は
パワーコンバイナ、１４は変調器、１５は９０°
ハイブリツド、１６はミキサ、１７はパワーデバ
イダ、１８は増幅器、１９は積分器、２０は減算
器、２１はパワーデバイダである。なお、図中同
一または相当のものには同一符号を示した。
FIG. 1 shows an embodiment of this invention, and FIGS. 2 and 3 show an embodiment of a conventional device. In the figure, 1 is a main antenna, 2 is an auxiliary antenna, 3 is an RF amplifier, 4 is a mixer, 5 is a local oscillator, 6 is an IF circuit, 7 is an SLC device, 8 is a directional coupler, 9 is a detector, 10 is a correlator, 11 is a power divider, 12 is a 90° hybrid, 13 is a power combiner, 14 is a modulator, 15 is a 90°
16 is a mixer, 17 is a power divider, 18 is an amplifier, 19 is an integrator, 20 is a subtracter, and 21 is a power divider. In addition, the same reference numerals are given to the same or equivalent parts in the figures.
Claims (1)
記主アンテナで受信した信号を中間周波数に変換
した主チヤンネル信号と上記妨害受信用補助アン
テナで受信した信号を中間周波数に変換した補助
チヤンネル信号とを作成する周波数変換回路と、
上記補助チヤンネル信号を複素乗算を行い上記主
チヤンネル信号から減算し妨害波を除去した信号
を出力する妨害波除去回路とで構成される妨害波
除去装置において、上記妨害波除去回路の上記補
助チヤンネル信号の入力段に遅延時間可変の遅延
回路を設け、上記主チヤンネル信号と上記補助チ
ヤンネル信号の上記妨害波除去回路への妨害波源
からの到来時間の相関をとることを特徴とした妨
害波除去装置。 A main antenna, a jamming wave receiving antenna, a main channel signal obtained by converting the signal received by the main antenna into an intermediate frequency, and an auxiliary channel signal by converting the signal received by the disturbance receiving auxiliary antenna into an intermediate frequency are created. a frequency conversion circuit;
In an interference wave removal device comprising an interference wave removal circuit that performs complex multiplication of the auxiliary channel signal and subtracts it from the main channel signal to output a signal from which interference waves have been removed, the auxiliary channel signal of the interference wave removal circuit An interference wave removal device characterized in that a delay circuit with a variable delay time is provided at the input stage of the interference wave removal circuit, and the arrival times of the main channel signal and the auxiliary channel signal from the interference wave source to the interference wave removal circuit are correlated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14528088U JPH0266037U (en) | 1988-11-07 | 1988-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14528088U JPH0266037U (en) | 1988-11-07 | 1988-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0266037U true JPH0266037U (en) | 1990-05-18 |
Family
ID=31413730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14528088U Pending JPH0266037U (en) | 1988-11-07 | 1988-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0266037U (en) |
-
1988
- 1988-11-07 JP JP14528088U patent/JPH0266037U/ja active Pending
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