JPS6372573U - - Google Patents

Description

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

第１図はこの考案の実施例を示す構成図、第２
図はこの考案の妨害波検出回路の詳細な構成図、
第３図はこの考案による妨害波検出ゲートのタイ
ムチヤート、第４図は従来のレーダ装置の構成図
、第５図は従来のレーダ装置の妨害波検出ゲート
や送信パルス等のタイムチヤートである。 図において１は送受信共用のアンテナ、２は送
信機部、３は送受切替部、４は周波数ミキサ、５
はローカル信号発生部、６は受信機部、７は信号
処理部、８は従来の妨害波表示部、９は切替回路
、１０は妨害波検出回路、１１は妨害波表示部、
１２はリセツト回路、１３は送信パルス、１４は
レンジゲート、１５は従来の放害波検出ゲート、
１６は受信機出力の実ビデオ、１７は実ビデオを
拡大した追尾ビデオ、１８は追尾（前）ゲート、
１９は追尾（後）ゲート、２０は捕捉（前）ゲー
ト、２１は捕捉（後）ゲート、２２〜２５は妨害
波検出ゲート、２６は追尾か捜索かを知らせるス
テータス信号、２７は検出回路出力信号、２８は
検出回路をリセツトするためのリセツト信号、２
９Ａ〜２９Ｋはバツフアアンプ、３０はセレクタ
、３１Ａ〜３１Ｐはワンシヨツトマルチバイブレ
ータ、３２Ａ〜３２Ｄはゲート回路、３３は基準
電圧、３４Ａ〜３４Ｄはコンパレータ、３５Ａ〜
３５Ｄはフリツプフロツプ、３６Ａ〜３６Ｃはア
ンド回路、３７Ａ，２７Ｂはオア回路、３８Ａ〜
３８Ｃはランプドライバー回路、３９ＡはＣＷの
妨害波を知らせる表示ランプ、３９Ｂはパルスの
妨害波を知らせる表示ランプ、３９Ｃは妨害波の
存在を知らせるアンダージヤム表示ランプである
。なお、図中同一あるいは相当部分には同一符号
を付してある。 Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
The figure shows a detailed configuration diagram of the interference wave detection circuit of this invention.
FIG. 3 is a time chart of the interference wave detection gate according to this invention, FIG. 4 is a block diagram of a conventional radar device, and FIG. 5 is a time chart of the interference wave detection gate, transmission pulse, etc. of the conventional radar device. In the figure, 1 is an antenna for both transmitting and receiving, 2 is a transmitter section, 3 is a transmitting/receiving switching section, 4 is a frequency mixer, and 5 is a transmitting/receiving antenna.
1 is a local signal generation section, 6 is a receiver section, 7 is a signal processing section, 8 is a conventional interference wave display section, 9 is a switching circuit, 10 is an interference wave detection circuit, 11 is an interference wave display section,
12 is a reset circuit, 13 is a transmission pulse, 14 is a range gate, 15 is a conventional emission wave detection gate,
16 is the actual video of the receiver output, 17 is the tracking video that is an enlarged version of the actual video, 18 is the tracking (front) gate,
19 is a tracking (rear) gate, 20 is an acquisition (front) gate, 21 is an acquisition (rear) gate, 22 to 25 are interference wave detection gates, 26 is a status signal indicating whether it is tracking or searching, and 27 is a detection circuit output signal. , 28 is a reset signal for resetting the detection circuit, 2
9A to 29K are buffer amplifiers, 30 is a selector, 31A to 31P are one-shot multivibrators, 32A to 32D are gate circuits, 33 is a reference voltage, 34A to 34D are comparators, 35A to 34D are comparators.
35D is a flip-flop, 36A to 36C are AND circuits, 37A and 27B are OR circuits, and 38A to 36C are AND circuits.
38C is a lamp driver circuit, 39A is an indicator lamp that indicates CW interference waves, 39B is an indicator lamp that indicates pulse interference waves, and 39C is an under-jam indicator lamp that indicates the presence of interference waves. In addition, the same reference numerals are given to the same or corresponding parts in the figures.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 目標捜索或は追尾機能を有するのみならず、目
標からの妨害波をも探知する機能を有するレーダ
装置に於いて、送信電波を外部に放射し、目標か
らの反射波や妨害波を受信する送受信共用のアン
テナと、高周波電力パルスを作成する送信機部と
、上記送信機部からの電波の送信と上記アンテナ
からの受信電波を受信するための切り替えを行う
送受切替部と、上記送受切替部から入力される受
信電波を中間周波数に周波数変換を行う周波数ミ
キサと、上記受信電波を中間周波数に変換するた
めのローカル信号を作成するローカル信号発生部
と、上記周波数ミキサ出力を増幅した後ビデオ信
号として出力する受信機部と、上記受信機部出力
を受けて距離追尾や角度追尾の処理や各種ゲート
やトリガを作成する信号処理部と、上記受信機部
の出力を入力し、その信号の中に存在する妨害波
を捜索モード時と追尾モード時とに分けて検出し
、追尾モード時には妨害波検出用のゲードを４個
作成し、其れ等のゲートにより追尾ゲート内に入
る妨害波の方向性を検出してメモリ追尾モードに
切り替える信号を出力する妨害波検出回路と、妨
害波の種類を判別して表示する妨害波表示部と、
上記妨害波検出回路に捜索モード時と追尾モード
時の妨害波検出ゲート作成用のトリガの切り替え
を行う切替回路と、妨害波検出回路にリセツト信
号を送るリセツト回路から構成されていることを
特徴とするレーダ装置。 In radar equipment that not only has a target search or tracking function but also has the function of detecting interference waves from the target, a transmission/reception function that emits transmitted radio waves to the outside and receives reflected waves and interference waves from the target. A shared antenna, a transmitter section that creates high-frequency power pulses, a transmission/reception switching section that performs switching between transmitting radio waves from the transmitter section and receiving radio waves from the antenna, and from the transmission/reception switching section. A frequency mixer that converts the frequency of input received radio waves to an intermediate frequency, a local signal generator that creates a local signal for converting the received radio waves to an intermediate frequency, and a local signal generator that amplifies the output of the frequency mixer and converts it into a video signal. A receiver section that outputs the output, a signal processing section that receives the output of the receiver section, processes distance tracking and angle tracking, and creates various gates and triggers, and the output of the receiver section is input, and the signal is Existing interference waves are detected separately in search mode and tracking mode, and in tracking mode, four gates are created for detecting interference waves, and the directionality of interference waves entering the tracking gate is determined by these gates. an interference wave detection circuit that detects and outputs a signal to switch to memory tracking mode; an interference wave display unit that determines and displays the type of interference wave;
The interference wave detection circuit is characterized by comprising a switching circuit for switching the trigger for creating an interference wave detection gate in search mode and tracking mode, and a reset circuit for sending a reset signal to the interference wave detection circuit. radar equipment.