JPH03114078U - - Google Patents
Info
- Publication number
- JPH03114078U JPH03114078U JP2351690U JP2351690U JPH03114078U JP H03114078 U JPH03114078 U JP H03114078U JP 2351690 U JP2351690 U JP 2351690U JP 2351690 U JP2351690 U JP 2351690U JP H03114078 U JPH03114078 U JP H03114078U
- Authority
- JP
- Japan
- Prior art keywords
- section
- signal
- pseudo target
- pseudo
- output end
- 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 2
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
は従来の一実施例を示すために用いた図であり、
イ……距離情報信号、ロ……速度情報信号、ハ
……基準信号、ニ……ビーム走査角信号、ホ……
ビーム幅信号、１……ドツプラー発生部、２……
ミキサー部、３……遅延回路部、４……パルス変
調部、５……第一の演算部、６……第二の演算部
、７……第一の制御部、８……可変減衰部、９…
…第三の演算部、１０……第二の制御部、１１…
…スイツチ部、１２……第一のアンテナ部、１４
……疑似目標信号である。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 an embodiment of this invention, and Fig. 2 is a diagram used to show a conventional embodiment. Reference signal, D... Beam scanning angle signal, H...
Beam width signal, 1...Doppler generator, 2...
Mixer section, 3... Delay circuit section, 4... Pulse modulation section, 5... First calculation section, 6... Second calculation section, 7... First control section, 8... Variable attenuation section ,9...
...Third calculation section, 10...Second control section, 11...
...Switch part, 12...First antenna part, 14
...This is a pseudo target signal. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
て送信された電波が、目標から反射された時の反
射信号を疑似的に発生させる装置に於いて、疑似
目標が有する速度、距離、及びフエーズド・アレ
ーレーダーのビーム走査角とビーム幅に応じた運
動を疑似目標信号に与えるために、外部機器より
疑似目標の情報として速度情報信号、距離情報信
号ビーム走査角信号、ビーム幅信号、及び基準信
号を入力されて、上記速度情報信号を受けて疑似
目標信号のドツプラー信号を発生するドツプラー
発生部と、上記基準信号を受けてドツプラー発生
部の出力端につながるミキサー部と、上記距離情
報信号を受けて疑似目標信号の遅延時間を決定す
る遅延回路部と、上記ミキサー部の出力端及び上
記遅延回路部の出力端につながりパルス変調を行
うパルス変調部と、上記ビーム走査角信号を受け
てビーム走査角に応じた疑似目標信号の出力レベ
ルを決定する第一の演算部と、上記ビーム幅信号
を受けて、ビーム幅に応じて疑似目標信号の出力
レベルを決定する第二の演算部と、上記第一の演
算部の出力端及び第二の演算部の出力端につなが
り疑似目標信号の出力レベルの制御を行う第一の
制御部と、上記パルス変調部の出力端及び上記第
一の制御部の出力端につながり疑似目標信号の出
力レベルを変化させる可変減衰部と、可変減衰部
の出力端につながり疑似目標信号を送信する第二
のアンテナ部とからなるフエーズド・アレー・レ
ーダー試験装置に於いて、外部機器よりビーム走
査角信号を受けて、疑似目標の位置を決定する第
三の演算部と、上記第三の演算部の出力端につな
がり疑似目標の位置を制御する第二の制御部と、
上記第二の制御部の出力端につながり疑似目標の
位置に相当するアンテナへ疑似目標信号を導くた
めのスイツチの開閉を行うスイツチ部と、上記ス
イツチ部の出力端及び可変減衰部の出力端につな
がり疑似目標の位置に相当するアンテナから疑似
目標信号を送信する第一アンテナ部を接続した事
を特徴とするフエーズド・アレー・レーダー試験
装置。 In a device that generates a pseudo-reflection signal when radio waves transmitted from a phased array radar to a target are reflected from the target, the speed, distance, and distance of the pseudo target are In order to give the pseudo target signal a motion according to the beam scanning angle and beam width, a speed information signal, a distance information signal, a beam scanning angle signal, a beam width signal, and a reference signal are input as pseudo target information from an external device. , a Doppler generator that receives the speed information signal and generates a Doppler signal as a pseudo target signal; a mixer unit that receives the reference signal and connects to the output end of the Doppler generator; and a mixer that receives the distance information signal and generates a pseudo target signal. a delay circuit section that determines the delay time of the mixer section, a pulse modulation section that performs pulse modulation connected to the output end of the mixer section and the output end of the delay circuit section, and a pulse modulation section that receives the beam scanning angle signal and determines the delay time of the beam scanning angle. a first calculation section that determines the output level of the pseudo target signal; a second calculation section that receives the beam width signal and determines the output level of the pseudo target signal according to the beam width; and the first calculation section. a first control section that is connected to the output terminal of the section and the output terminal of the second calculation section and controls the output level of the pseudo target signal; and an output terminal of the pulse modulation section and the output terminal of the first control section. In a phased array radar test equipment consisting of a variable attenuation section that changes the output level of the connected pseudo target signal, and a second antenna section that is connected to the output end of the variable attenuation section and transmits the pseudo target signal, external equipment a third calculation unit that receives a beam scanning angle signal from the beam scanning angle signal and determines the position of the pseudo target; a second control unit that is connected to the output terminal of the third calculation unit and controls the position of the pseudo target;
A switch section connected to the output end of the second control section and opening/closing a switch for guiding the pseudo target signal to the antenna corresponding to the position of the pseudo target, and an output end of the switch section and an output end of the variable attenuation section. A phased array radar test device characterized in that a first antenna part for transmitting a pseudo target signal is connected from an antenna corresponding to a position of a connected pseudo target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2351690U JPH03114078U (en) | 1990-03-08 | 1990-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2351690U JPH03114078U (en) | 1990-03-08 | 1990-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03114078U true JPH03114078U (en) | 1991-11-22 |
Family
ID=31526500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2351690U Pending JPH03114078U (en) | 1990-03-08 | 1990-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03114078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008215063A (en) * | 2007-02-08 | 2008-09-18 | Hirotsuyo Takeuchi | Road surface repair implement |
-
1990
- 1990-03-08 JP JP2351690U patent/JPH03114078U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008215063A (en) * | 2007-02-08 | 2008-09-18 | Hirotsuyo Takeuchi | Road surface repair implement |
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