JPH02131676U - - Google Patents
Info
- Publication number
- JPH02131676U JPH02131676U JP3970889U JP3970889U JPH02131676U JP H02131676 U JPH02131676 U JP H02131676U JP 3970889 U JP3970889 U JP 3970889U JP 3970889 U JP3970889 U JP 3970889U JP H02131676 U JPH02131676 U JP H02131676U
- Authority
- JP
- Japan
- Prior art keywords
- channel signal
- signal
- auxiliary
- main
- 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
Landscapes
- 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は電圧判
定回路、９はスイツチドライバ、１０はスイツチ
、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
はパワーコンバイナ、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、図中同一又は相当部分には同一符号を付
して示したある。
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 the main antenna, 2 is the auxiliary antenna, 3 is the RF amplifier, 4 is the mixer, 5 is the local oscillator, 6 is the IF circuit, 7 is the SLC device, 8 is the voltage determination circuit, 9 is the switch driver, and 10 is the switch, 11 is a power divider, 12 is a 90° hybrid, 13 is a power combiner, 14 is a modulator,
15 is 90° hybrid, 16 is mixer, 17
is a power combiner, 18 is an amplifier, 19 is an integrator, 20 is a subtracter, and 21 is a power divider. In addition, the same or equivalent parts in the figures are indicated by the same reference numerals.
Claims (1)
、上記主アンテナで受信した信号を中間周波数信
号に変換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信号を中間周波数信号
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演
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、相関器により
上記主チヤンネル信号と上記補助チヤンネル信号
の位相差の情報を得て、上記した主チヤンネル信
号から補助チヤンネル信号の減算を行う機能を低
止させる上記補助チヤンネル信号の切断回路を設
けたことを特徴とする妨害波除去装置。 A main antenna, an auxiliary antenna for receiving interference waves, a main channel signal obtained by converting the signal received by the main antenna into an intermediate frequency signal, and an auxiliary channel signal obtained by converting the signal received by the auxiliary antenna for receiving interference waves into an intermediate frequency signal. and an interference wave removal circuit that performs a complex operation on the auxiliary channel signal and subtracts it from the main channel signal to output a signal from which interference waves have been removed. A cutting circuit for the auxiliary channel signal is provided, which obtains information on the phase difference between the main channel signal and the auxiliary channel signal using a device, and suppresses the function of subtracting the auxiliary channel signal from the main channel signal. Features of interference wave removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3970889U JPH02131676U (en) | 1989-04-04 | 1989-04-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3970889U JPH02131676U (en) | 1989-04-04 | 1989-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02131676U true JPH02131676U (en) | 1990-11-01 |
Family
ID=31548856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3970889U Pending JPH02131676U (en) | 1989-04-04 | 1989-04-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02131676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002196069A (en) * | 2000-12-25 | 2002-07-10 | Mitsubishi Electric Corp | Radar equipment |
-
1989
- 1989-04-04 JP JP3970889U patent/JPH02131676U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002196069A (en) * | 2000-12-25 | 2002-07-10 | Mitsubishi Electric Corp | Radar equipment |
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