JPH0478586U - - Google Patents

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Publication number
JPH0478586U
JPH0478586U JP12096790U JP12096790U JPH0478586U JP H0478586 U JPH0478586 U JP H0478586U JP 12096790 U JP12096790 U JP 12096790U JP 12096790 U JP12096790 U JP 12096790U JP H0478586 U JPH0478586 U JP H0478586U
Authority
JP
Japan
Prior art keywords
section
signal
pseudo target
output end
radio wave
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
Application number
JP12096790U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12096790U priority Critical patent/JPH0478586U/ja
Publication of JPH0478586U publication Critical patent/JPH0478586U/ja
Pending legal-status Critical Current

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  • Radar Systems Or Details Thereof (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの考案の一実施例を示す図、第2図
は第1図の説明のために用いる説明図、第3図は
従来方式の一実施例を示す図、第4図は第3図の
説明のために用いる説明図である。図において、
イは距離情報信号、ロは速度情報信号、ハは基準
信号、ニはビーム走査角信号、ホはビーム幅信号
、1はドツプラー発生部、2はミキサー部、3は
遅延回路部、4はパルス変調部、5は演算部、6
は第一の制御部、7は可変減衰部、8は疑似目標
信号、9は固定減衰部、10は第二の制御部、1
1はスイツチ部、12はパツチアンテナ、13は
第一のアンテナ部、14は疑似目標電波、15は
第二のアンテナ部である。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, FIG. 2 is an explanatory diagram used to explain FIG. 1, FIG. 3 is a diagram showing an embodiment of the conventional method, and FIG. It is an explanatory diagram used for explanation of a figure. In the figure,
A is a distance information signal, B is a speed information signal, C is a reference signal, D is a beam scanning angle signal, E is a beam width signal, 1 is a Doppler generator, 2 is a mixer, 3 is a delay circuit, 4 is a pulse Modulation section, 5 is calculation section, 6
1 is a first control section, 7 is a variable attenuation section, 8 is a pseudo target signal, 9 is a fixed attenuation section, 10 is a second control section, 1
1 is a switch section, 12 is a patch antenna, 13 is a first antenna section, 14 is a pseudo target radio wave, and 15 is a second antenna section. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] フエーズド・アレー・レーダーから目標に対し
て送信された電波が、目標から反射された時の反
射電話を疑似的に発生させる装置において、疑似
目標が有する速度、距離、フエーズド・アレー・
レーダーのビーム走査角、及びフエーズド・アレ
ー・レーダーのビーム幅に応じた運動を疑似目標
電波に与えるために、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、基準信号、及びビーム幅信号を入力さ
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、上記ビーム幅信号を受けてビーム幅に応
じた疑似目標信号の出力レベルを決定する演算部
と、上記演算部の出力端につながり疑似目標電波
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電波の出力レベルを変化
させる可変減衰部と、ビーム走査角に応じた減衰
量を可変減衰部からの出力信号である記事目標信
号に与えるための固定減衰部と上記ビーム走査角
信号を受けて疑似目標の位置を決定する第二の制
御部と、上記第二の制御部で決定された疑似目標
の位置へ上記固定減衰部からの出力信号を供給す
るスイツチ部と、供給された上記固定減衰部から
の出力信号を上記第二の制御部で決定された疑似
目標の位置に相当する球面状に配列されたパツチ
アンテナから送信し、これを疑似目標電波とする
アンテナ部とから成るフエーズド・アレー・レー
ダー試験装置において、上記固定減衰部を削除し
、ビーム走査角に応じた減衰量を上記疑似目標電
波の伝播距離に応じた減衰量に置換するために、
上記第一のアンテナ部の代わりに比較的曲率の緩
い第二のアンテナ部に置き換えたことを特徴とす
るフエーズド・アレー・レーダー試験装置。
A device that simulates a reflected phone call when radio waves transmitted from a phased array radar to a target are reflected from the target.
In order to give the pseudo target radio waves a motion according to the beam scanning angle of the radar and the beam width of the phased array radar, external equipment sends speed information signals, distance information signals, beam scanning angle signals, and standards as pseudo target information. a Doppler generator that receives the speed information signal and the beam width signal and generates a Doppler signal as a pseudo target signal in response to the speed information signal;
a mixer section that receives the reference signal and connects to the output end of the Doppler generating section; a delay circuit section that receives the distance information signal and determines the delay time of the pseudo target signal; and an output end of the mixer section and the delay circuit section. A pulse modulation section connected to the output end of the calculation section performs pulse modulation, a calculation section that receives the beam width signal and determines the output level of a pseudo target signal according to the beam width, and a pseudo target radio wave connected to the output end of the calculation section. a first control section that controls the output level of the pseudo target radio wave; a variable attenuation section that is connected to the output end of the pulse modulation section and the output end of the first control section and changes the output level of the pseudo target radio wave; and a beam scanning angle. a fixed attenuation section for giving an attenuation amount corresponding to the target signal which is the output signal from the variable attenuation section; a second control section for determining the position of the pseudo target in response to the beam scanning angle signal; a switch section that supplies the output signal from the fixed attenuation section to the position of the pseudo target determined by the second control section; In the phased array radar test equipment, which consists of an antenna section that transmits from patch antennas arranged in a spherical shape corresponding to the position of the pseudo target and uses this as a pseudo target radio wave, the above fixed attenuation section is deleted and the beam scanning angle is changed. In order to replace the attenuation amount according to the above-mentioned pseudo target radio wave propagation distance with the attenuation amount according to the propagation distance,
A phased array radar test device characterized in that the first antenna section is replaced with a second antenna section having a relatively gentle curvature.
JP12096790U 1990-11-19 1990-11-19 Pending JPH0478586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12096790U JPH0478586U (en) 1990-11-19 1990-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12096790U JPH0478586U (en) 1990-11-19 1990-11-19

Publications (1)

Publication Number Publication Date
JPH0478586U true JPH0478586U (en) 1992-07-08

Family

ID=31868846

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12096790U Pending JPH0478586U (en) 1990-11-19 1990-11-19

Country Status (1)

Country Link
JP (1) JPH0478586U (en)

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