JPS63139575U - - Google Patents

Description

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

第１図は考案の実施例を示す構成図、第２図は
この考案のＳＴＣ（Ｓｅｎｓｉｔｉｖｉｔｙ Ｔ
ｉｍｅ Ｃｏｎｔｒｏｌ）制御回路の詳細な構成
図、第３図はこの考案によるＳＴＣ制御のタイム
チヤート、第４図は従来のレーダー装置の構成図
、第５図は従来のレーダー装置のＳＴＣ制御の動
作説明図である。 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は表示部、９はＳＴＣ制御部、１０は
ビデオスライサ及び成形回路、１１Ａ，１１Ｂは
アンド回路、１２は制御回路、１３Ａ，１３Ｂは
カウンタ回路、１４は減算回路、１５は符号判定
回路、１６は絶対値回路、１７Ａ〜１７Ｃは一送
信間隔遅延メモリ回路、１８は加算回路、１９は
アツプ・ダウン制御付カウンタ回路、２０は発振
回路、２１は分周回路、２２は選択回路、２３は
Ｄ／Ａコンバータ回路、２４は送信パルス、２５
は受信ビデオ、２６は前方ゲート、２７は前方ゲ
ートに入るクロツク、２８は後方ゲート、２９は
後方ゲートに入るクロツク、３０は一送信遅延メ
モリ書き込みタイミング、３１は一送信遅延メモ
リ読み出しタイミング、３２はＳＴＣ制御信号、
３３はこの考案によるＳＴＣ制御を受けた処理ビ
デオ、３４は従来のレーダー装置のＳＴＣ制御信
号、３５は従来のレーダー装置のＳＴＣ制御を受
けた処理ビデオである。なお、図中同一あるいは
相当部分には同一符号を付して示してある。 Fig. 1 is a block diagram showing an embodiment of the invention, and Fig. 2 is an STC (Sensitivity T) of this invention.
Fig. 3 is a time chart of STC control according to this invention, Fig. 4 is a block diagram of a conventional radar device, and Fig. 5 is an explanation of the operation of STC control of a conventional radar device. It is a diagram. 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 display section, 9 is an STC control section, 10 is a video slicer and shaping circuit, 11A and 11B are AND circuits, 12 is a control circuit, 13A , 13B is a counter circuit, 14 is a subtraction circuit, 15 is a sign determination circuit, 16 is an absolute value circuit, 17A to 17C are one transmission interval delay memory circuits, 18 is an addition circuit, 19 is a counter circuit with up/down control, 20 21 is an oscillation circuit, 21 is a frequency dividing circuit, 22 is a selection circuit, 23 is a D/A converter circuit, 24 is a transmission pulse, 25
is the reception video, 26 is the front gate, 27 is the clock entering the front gate, 28 is the rear gate, 29 is the clock entering the rear gate, 30 is one transmission delay memory write timing, 31 is one transmission delay memory read timing, 32 is one transmission delay memory read timing. STC control signal,
33 is a processed video subjected to STC control according to this invention, 34 is an STC control signal of a conventional radar device, and 35 is a processed video subjected to STC control of a conventional radar device. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 目標捜索あるいは追尾機能を有するレーダー装
置において送信電波を外部に放射し、目標からの
反射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
数ミキサの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、上記受信機部の出力を受けて
距離追尾や角度追尾及び検出の処理や各種トリガ
を作成する信号処理部と、受信機部の出力のビデ
オ信号を入力とし、ビデオ信号に含まれるクラツ
タの広がりに依り一定の時間間隔毎に、傾きをも
つＳＴＣ（Ｓｅｎｓｉｖｉｔｙ Ｔｉｍｅ Ｃｏ
ｎｔｒｏｌ）信号を出力するＳＴＣ制御部と、信
号処理部の出力を受けてこれを表示する表示部か
ら構成されていることを特徴とするレーダー装置
。 A radar device having a target search or tracking function includes a transmitting and receiving antenna that emits transmitted radio waves to the outside and receives reflected waves from the target, a transmitter unit that creates high-frequency power pulses, and radio waves from the transmitter unit. a transmission/reception switching unit that performs switching between transmitting and receiving the received radio waves from the antenna; a frequency mixer that converts the received radio waves input from the transmission/reception switching unit into an intermediate frequency; a local signal generation section that creates a local signal for conversion into a local signal, a receiver section that amplifies the output of the frequency mixer and outputs it as a video signal, and a receiver section that receives the output of the receiver section and performs distance tracking, angle tracking, and A signal processing section that performs detection processing and creates various triggers, and a video signal output from the receiver section are input, and STC (Sensitivity Time Co
What is claimed is: 1. A radar device comprising: an STC control section that outputs an STC control section; and a display section that receives and displays an output from a signal processing section.