JPH0712924A - Disturbing wave generating device - Google Patents

Disturbing wave generating device

Info

Publication number
JPH0712924A
JPH0712924A JP15962393A JP15962393A JPH0712924A JP H0712924 A JPH0712924 A JP H0712924A JP 15962393 A JP15962393 A JP 15962393A JP 15962393 A JP15962393 A JP 15962393A JP H0712924 A JPH0712924 A JP H0712924A
Authority
JP
Japan
Prior art keywords
radar
wave
radar wave
interfering
waves
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
JP15962393A
Other languages
Japanese (ja)
Inventor
Yoshifumi Hatori
佳史 羽鳥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP15962393A priority Critical patent/JPH0712924A/en
Publication of JPH0712924A publication Critical patent/JPH0712924A/en
Pending legal-status Critical Current

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  • Radar Systems Or Details Thereof (AREA)

Abstract

PURPOSE:To easily generate disturbing waves without measuring the frequency and pulse repetition frequency of radar waves. CONSTITUTION:A disturbing wave generating device is provided with a reception antenna 1 for receiving radar waves from a radar to be disturbed, radar wave recorder 3 which can record received radar waves for a period longer than the transmitting pulse repetition period of the radar waves, and controller 7 which can segment the recorded radar waves as disturbing waves at arbitrary timing by turning on and off a high-frequency switch 4 and the disturbing waves are transmitted toward the radar to be disturbed from a transmission antenna 6.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、妨害対象レーダから
のレーダ波を妨害するのに用いる妨害波発生装置に関す
るものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interference wave generator used for interrupting a radar wave from an interference radar.

【0002】[0002]

【従来の技術】図3は従来のレンジゲートプールイン動
作する妨害波発生装置を示すブロック図であり、図にお
いて、1は妨害対象レーダのレーダ波を受信する受信空
中線、2は受信空中線1で受信したレーダ波を受信分析
する受信機、4は妨害波をパルス状に切り出す高周波ス
イッチである。
2. Description of the Related Art FIG. 3 is a block diagram showing a conventional disturbance gate generator that operates in a range gate pool-in mode. In the figure, reference numeral 1 is a receiving antenna for receiving a radar wave of a radar to be disturbed, and 2 is a receiving antenna 1. A receiver 4 for receiving and analyzing the received radar wave is a high frequency switch for cutting out an interfering wave in a pulse shape.

【0003】また、5は妨害波を増幅する送信機であ
り、6は妨害波を送信する送信空中線、7は妨害波の切
り出しタイミングを制御する制御器、8は妨害波を生成
する発振器である。
Further, 5 is a transmitter for amplifying the interfering wave, 6 is a transmitting antenna for transmitting the interfering wave, 7 is a controller for controlling the timing of cutting out the interfering wave, and 8 is an oscillator for generating the interfering wave. .

【0004】次に動作について説明する。従来の妨害波
発生装置は、妨害対象レーダのパルス繰返し周期(以
下、PRIという)を、受信空中線1を介して受信機2
で測定し、この測定結果にもとづき、制御器7がレーダ
波のパルス到来時刻を予測して、所要のタイミングを設
定する。
Next, the operation will be described. A conventional interfering wave generator uses a pulse repetition period (hereinafter, referred to as PRI) of an interfering radar to a receiver 2 via a receiving antenna 1.
The controller 7 predicts the arrival time of the pulse of the radar wave based on the measurement result, and sets the required timing.

【0005】また、制御器7は高周波スイッチ4をパル
ス状にオン/オフすることにより、発振器8にて生成さ
れた妨害波を、妨害対象レーダの距離ゲートを欺瞞する
ように切り出し、送信機5で増幅して送信空中線6から
送信する。
Further, the controller 7 turns on / off the high frequency switch 4 in a pulsed manner to cut out the interfering wave generated by the oscillator 8 so as to deceive the range gate of the radar to be obstructed, and the transmitter 5 It is amplified by and transmitted from the transmission antenna 6.

【0006】[0006]

【発明が解決しようとする課題】従来の妨害波発生装置
は以上のように構成されているので、上記妨害波を生成
するための発振器8を制御するために、妨害対象レーダ
のレーダ波の周波数を測定する必要があるほか、そのレ
ーダ波のPRIを測定し、レーダ波のパルス到来タイミ
ングを正確に予測する必要があるなどの問題点があっ
た。
Since the conventional interfering wave generator is constructed as described above, in order to control the oscillator 8 for producing the interfering wave, the frequency of the radar wave of the radar to be disturbed is controlled. In addition to the measurement of the radar wave, it is necessary to measure the PRI of the radar wave and accurately predict the pulse arrival timing of the radar wave.

【0007】請求項1の発明は上記のような問題点を解
消するためになされたもので、パルス記録されたレーダ
波にもとづいて、高周波スイッチのオン/オフによっ
て、任意のタイミングで妨害波を簡単に切り出すことが
できる妨害波発生装置を得ることを目的とする。
The invention of claim 1 has been made to solve the above-mentioned problems. Based on a radar wave recorded as a pulse, an interference wave is generated at an arbitrary timing by turning on / off a high frequency switch. An object is to obtain an interfering wave generator that can be easily cut out.

【0008】請求項2の発明は妨害対象レーダのレーダ
波の周波数やPRIを測定せずに、簡単に妨害波を発生
することができる妨害波発生装置を得ることを目的とす
る。
It is an object of the present invention to provide an interference wave generator capable of easily generating an interference wave without measuring the frequency or PRI of the radar wave of the interference target radar.

【0009】[0009]

【課題を解決するための手段】妨害対象レーダからのレ
ーダ波を受信する受信空中線と、上記受信したレーダ波
の送信パルス繰返し周期以上の記録が可能なレーダ波記
録器と、該レーダ波記録器に記録されたレーダ波を、高
周波スイッチのオン/オフにより任意のタイミングで妨
害波として切り出させる制御器とを備え、送信空中線か
ら、上記妨害波を上記妨害対象レーダへ送信するように
したものである。
A receiving antenna for receiving a radar wave from a radar to be interfered with, a radar wave recorder capable of recording the received radar wave for a transmission pulse repetition period or more, and the radar wave recorder. The radar wave recorded in the above is provided with a controller for cutting out the interference wave at an arbitrary timing by turning on / off a high frequency switch, and the above-mentioned interference wave is transmitted from the transmission antenna to the above-mentioned radar to be interfered with. is there.

【0010】請求項2の発明に係る妨害波発生装置は、
レーダ波記録器で記録したレーダ波を高周波スイッチに
よりオン/オフして妨害波として切り出させ、その切り
出した妨害波を上記レーダ波と同じパルス幅で、かつ次
のパルスが受信されるまで、送信タイミングを不規則に
出力させる制御器とを備えて、送信空中線から上記妨害
波を上記妨害対象レーダへ送信するようにしたものであ
る。
The interfering wave generator according to the invention of claim 2 is
The radar wave recorded by the radar wave recorder is turned on / off by a high frequency switch to cut out as an interference wave, and the cut out interference wave is transmitted with the same pulse width as the radar wave and until the next pulse is received. A controller for outputting the timing irregularly is provided, and the interference wave is transmitted from the transmission antenna to the interference target radar.

【0011】[0011]

【作用】請求項1の発明における妨害波発生装置は、P
RI以上の記録可能時間を持つレーダ波記録器により、
レーダ波を記録することにより、周波数の測定を行わず
にレーダ波と同じ周波数の妨害波を得る。
The interfering wave generator according to the first aspect of the invention is P
With a radar wave recorder with a recordable time of RI or more,
By recording the radar wave, an interfering wave having the same frequency as the radar wave is obtained without measuring the frequency.

【0012】また、請求項2の発明における妨害波発生
装置は、PRI測定を行わず、レーダ波のパルスを受信
し、これをレーダ波記録器に記録した後、次のパルスを
受信するまでの間、レーダ波と同じパルス幅で、かつ、
高デューティで妨害波を切り出し、かつ送信を行うこと
により、目標反射波以前に妨害波を継続して、妨害対象
レーダに入力させる。
Further, the interfering wave generator according to the invention of claim 2 receives the pulse of the radar wave without performing the PRI measurement, records this in the radar wave recorder, and then receives the next pulse. The same pulse width as the radar wave, and
By cutting out the disturbing wave with high duty and transmitting it, the disturbing wave is continued before the target reflected wave and is input to the disturbing radar.

【0013】[0013]

【実施例】【Example】

実施例1.以下、この発明の一実施例を図について説明
する。図1において、1は妨害対象レーダのレーダ波を
受信する受信空中線、2は受信空中線1で受信したレー
ダ波を受信分析する受信機、3は受信したレーダ波の送
信パルス繰返し周期以上の記録が可能なレーダ波記録
器、4は妨害波をパルス状に切り出す高周波スイッチで
ある。
Example 1. An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a reception antenna for receiving radar waves from radars subject to jamming, 2 is a receiver for receiving and analyzing radar waves received by the reception antenna 1, and 3 is a record of a transmission pulse repetition period or more of the received radar waves. A possible radar wave recorder 4 is a high-frequency switch that cuts out an interference wave in a pulse shape.

【0014】また、5は妨害波を増幅する送信機であ
り、6は妨害波を送信する送信空中線、7は妨害波の切
り出しタイミングを制御する制御器であり、マイクロプ
ロセッサによるソフトウェア処理に従ってパルス幅デー
タや妨害方法(レンジゲートプールインなど)により、
必要なタイミングを発生させて、上記高周波スイッチを
オン,オフ制御するものである。
Further, 5 is a transmitter for amplifying the interfering wave, 6 is a transmitting antenna for transmitting the interfering wave, and 7 is a controller for controlling the cut-out timing of the interfering wave. Depending on the data and the method of interference (range gate pool in, etc.),
The high-frequency switch is turned on and off by generating necessary timing.

【0015】さらに、図2は到来レーダ波とレーダ波記
録器3の記録タイミングおよび妨害波の送信タイミング
のタイミングチャートである。
Further, FIG. 2 is a timing chart of the recording timing of the incoming radar wave and the radar wave recorder 3 and the transmission timing of the interfering wave.

【0016】次に動作について説明する。まず、受信空
中線1で受信された図2(a)に示すようなレーダ波
は、受信機2で増幅された後、レーダ波記録器3に図2
(b)に示すように記録される。このレーダ波記録器3
に記録されたレーダ波は、妨害波として任意のタイミン
グで高周波スイッチ4のオン/オフにより切り出され、
送信機5により増幅された後、送信空中線6から送信さ
れる。
Next, the operation will be described. First, the radar wave as shown in FIG. 2A received by the reception antenna 1 is amplified by the receiver 2 and then transmitted to the radar wave recorder 3 as shown in FIG.
It is recorded as shown in (b). This radar wave recorder 3
The radar wave recorded in is cut out by turning on / off the high frequency switch 4 at an arbitrary timing as an interfering wave,
After being amplified by the transmitter 5, it is transmitted from the transmission antenna 6.

【0017】この時、妨害波の切り出しタイミングを、
制御器7にて、図2(c)に示すように受信したレーダ
波と同じパルス幅で、かつ、次のパルスが受信されるま
で、送信タイミングを予測することなく、つまり不規則
に継続的に送信するように制御する。
At this time, the timing of cutting out the interfering wave is
As shown in FIG. 2C, the controller 7 has the same pulse width as the received radar wave and does not predict the transmission timing until the next pulse is received, that is, it continues irregularly. Control to send to.

【0018】これによりレーダの図2(d)に示すよう
なレーダゲート内には、目標の反射波と、複数の妨害波
が入力されることになり、レンジゲートを近距離方向に
移行させることが可能となる。
As a result, the target reflected wave and a plurality of interfering waves are input into the radar gate of the radar as shown in FIG. 2 (d), and the range gate is moved in the short distance direction. Is possible.

【0019】実施例2.なお、上記実施例ではレンジゲ
ートプールイン(RGPI)動作について示したが、制
御器7の制御モードを変更することにより、レンジゲー
トプールオフ(RGPO)装置としても作動可能であ
り、さらに、これらのRGPI動作とRGPO動作を同
時に複合することも可能である。
Example 2. Although the range gate pool in (RGPI) operation is shown in the above embodiment, the range gate pool off (RGPO) device can be operated by changing the control mode of the controller 7. It is also possible to combine the RGPI operation and the RGPO operation at the same time.

【0020】[0020]

【発明の効果】以上のように、請求項1の発明によれば
妨害対象レーダからのレーダ波を受信する受信空中線
と、上記受信したレーダ波の送信パルス繰返し周期以上
の記録が可能なレーダ波記録器と、該レーダ波記録器に
記録されたレーダ波を、高周波スイッチのオン/オフに
より任意のタイミングで妨害波として切り出させる制御
器とを備え、送信空中線から、上記妨害波を上記妨害対
象レーダへ送信するように構成したので、パルス記録さ
れたレーダ波にもとづいて、高周波スイッチのオン/オ
フによって、任意のタイミングで妨害波を簡単に切り出
すことができるものが得られる効果がある。
As described above, according to the first aspect of the present invention, the receiving antenna for receiving the radar wave from the radar to be disturbed and the radar wave capable of recording at least the transmission pulse repetition period of the received radar wave can be recorded. A recorder and a controller for cutting out the radar wave recorded in the radar wave recorder as an interfering wave at an arbitrary timing by turning on / off a high-frequency switch, and the interfering wave from the transmitting antenna is used as the interfering target. Since it is configured to be transmitted to the radar, there is an effect that it is possible to easily cut out the interfering wave at an arbitrary timing by turning on / off the high frequency switch based on the pulse-recorded radar wave.

【0021】また、請求項2の発明によればレーダ波記
録器で記録したレーダ波を高周波スイッチによりオン/
オフして妨害波として切り出させ、その切り出した妨害
波を上記レーダ波と同じパルス幅で、かつ次のパルスが
受信されるまで、送信タイミングを不規則に出力させる
制御器とを備えて、送信空中線から上記妨害波を上記妨
害対象レーダへ送信するように構成したので、妨害対象
レーダのレーダ波の周波数やPRIを測定せずに、簡単
に妨害波を発生することができるものが得られる効果が
ある。
According to the second aspect of the present invention, the radar wave recorded by the radar wave recorder is turned on / off by a high frequency switch.
It is turned off and cut out as an interfering wave, and the cutout interfering wave has the same pulse width as the radar wave and is equipped with a controller that outputs the transmission timing irregularly until the next pulse is received. Since the disturbing wave is transmitted from the antenna to the disturbing radar, it is possible to easily obtain the disturbing wave without measuring the frequency or PRI of the radar wave of the disturbing radar. There is.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の一実施例による妨害波発生装置を示
すブロック図である。
FIG. 1 is a block diagram showing an interference wave generator according to an embodiment of the present invention.

【図2】図1における妨害波発生装置のブロック各部に
おける信号を示すタイミングチャートである。
FIG. 2 is a timing chart showing signals in respective blocks of the interference wave generator in FIG.

【図3】従来の妨害波発生装置を示すブロック図であ
る。
FIG. 3 is a block diagram showing a conventional interfering wave generator.

【符号の説明】[Explanation of symbols]

1 受信空中線 3 レーダ波記録器 4 高周波スイッチ 6 送信空中線 7 制御器 1 Receiving antenna 3 Radar wave recorder 4 High frequency switch 6 Transmitting antenna 7 Controller

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 妨害対象レーダからのレーダ波を受信す
る受信空中線と、上記受信したレーダ波の送信パルス繰
返し周期以上の記録が可能なレーダ波記録器と、該レー
ダ波記録器に記録されたレーダ波を、高周波スイッチの
オン/オフにより任意のタイミングで妨害波として切り
出させる制御器と、上記妨害波を上記妨害対象レーダへ
送信する送信空中線とを備えた妨害波発生装置。
1. A receiving antenna for receiving a radar wave from a radar subject to jamming, a radar wave recorder capable of recording a transmission pulse repetition period of the received radar wave or more, and a radar wave recorder recorded on the radar wave recorder. An interference wave generator comprising a controller for cutting out a radar wave as an interference wave at an arbitrary timing by turning on / off a high frequency switch, and a transmission antenna for transmitting the interference wave to the interference target radar.
【請求項2】 妨害対象レーダからのレーダ波を受信す
る受信空中線と、上記受信したレーダ波の送信パルス繰
返し周期以上の記録が可能なレーダ波記録器と、該レー
ダ波記録器に記録されたレーダ波を、高周波スイッチの
オン/オフにより妨害波として切り出させ、その切り出
した妨害波を上記レーダ波と同じパルス幅で、かつ次の
パルスが受信されるまで、送信タイミングを不規則に出
力させる制御器と、上記妨害波を上記妨害対象レーダへ
送信する送信空中線とを備えた妨害波発生装置。
2. A reception antenna for receiving a radar wave from a radar subject to jamming, a radar wave recorder capable of recording the received radar wave for a period longer than a transmission pulse repetition period, and the radar wave recorder. The radar wave is cut out as an interfering wave by turning on / off the high frequency switch, and the cut out interfering wave is output with irregular pulse timing until the next pulse is received with the same pulse width as the radar wave. An interfering wave generator comprising a controller and a transmitting antenna for transmitting the interfering wave to the radar to be disturbed.
JP15962393A 1993-06-29 1993-06-29 Disturbing wave generating device Pending JPH0712924A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15962393A JPH0712924A (en) 1993-06-29 1993-06-29 Disturbing wave generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15962393A JPH0712924A (en) 1993-06-29 1993-06-29 Disturbing wave generating device

Publications (1)

Publication Number Publication Date
JPH0712924A true JPH0712924A (en) 1995-01-17

Family

ID=15697771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15962393A Pending JPH0712924A (en) 1993-06-29 1993-06-29 Disturbing wave generating device

Country Status (1)

Country Link
JP (1) JPH0712924A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7391010B2 (en) 2005-04-06 2008-06-24 Sharp Kabushiki Kaisha Photoelectric encoder and electronic equipment with increased resolution
KR102290426B1 (en) * 2020-03-27 2021-08-17 국방과학연구소 Method for generating range gate pull off/In with asymmetric acceleration corresponding to the pulse signal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03176686A (en) * 1989-12-05 1991-07-31 Mitsubishi Electric Corp Data transmission additional type ecm device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03176686A (en) * 1989-12-05 1991-07-31 Mitsubishi Electric Corp Data transmission additional type ecm device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7391010B2 (en) 2005-04-06 2008-06-24 Sharp Kabushiki Kaisha Photoelectric encoder and electronic equipment with increased resolution
KR102290426B1 (en) * 2020-03-27 2021-08-17 국방과학연구소 Method for generating range gate pull off/In with asymmetric acceleration corresponding to the pulse signal

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