JPS6372572U

JPS6372572U -

Info

Publication number: JPS6372572U
Application number: JP16533586U
Authority: JP
Priority date: 1986-10-28
Filing date: 1986-10-28
Publication date: 1988-05-14

Description

[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波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はゲート位置設定回路
、１４は送信パルス、１５はレンジゲート、１６
は従来の妨害波検出ゲート、１７は受信機出力の
実ビデオ、１８は実ビデオを拡大した追尾ビデオ
、１９は追尾（前）ゲート、２０は追尾（後）ゲ
ート、２１は捕捉（前）ゲート、２２は捕捉（後
）ゲート、２３〜２６は妨害波検出ゲート、２７
は追尾か捜索かを知らせるステータス信号、２８
は検出回路出力信号、２９は検出回路をリセツト
するためのリセツト信号、３０Ａ〜３０Ｋはバツ
フアアンプ、３１はセレクタ、３２Ａ〜３２Ｐは
ワンシヨツトマルチバイブレータ、３３Ａ〜３３
Ｆは可変抵抗器、３４Ａ〜３４Ｄはゲート回路、
３５は基準電圧、３６Ａ〜３６Ｄはコンパレータ
、３７Ａ〜３７Ｄはフリツプフロツプ、３８Ａ〜
３８Ｃはアンド回路、３９Ａ，２９Ｂはオア回路
、４０Ａ〜４０Ｃはランプドライバー回路、４１
ＡはＣＷの妨害波を知らせる表示ランプ、４１Ｂ
はパルスの妨害波を知らせる表示ランプ、４１Ｃ
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 output 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 gate position setting circuit, 14 is a transmission pulse, 15 is a range gate, 16
is a conventional interference wave detection gate, 17 is a real video of the receiver output, 18 is a tracking video that is an enlarged version of the real video, 19 is a tracking (front) gate, 20 is a tracking (back) gate, and 21 is a capture (front) gate. , 22 is a capture (post) gate, 23 to 26 are interference wave detection gates, 27
is a status signal indicating tracking or search, 28
is a detection circuit output signal, 29 is a reset signal for resetting the detection circuit, 30A to 30K are buffer amplifiers, 31 is a selector, 32A to 32P are one shot multivibrators, 33A to 33
F is a variable resistor, 34A to 34D are gate circuits,
35 is a reference voltage, 36A to 36D are comparators, 37A to 37D are flip-flops, and 38A to 37D are flip-flops.
38C is an AND circuit, 39A and 29B are OR circuits, 40A to 40C are lamp driver circuits, 41
A is an indicator lamp that indicates CW interference waves, 41B
is an indicator lamp that indicates pulse interference waves, 41C
is an under-jam indicator lamp that indicates the presence of interference. In addition, the same reference numerals are given to the same or corresponding parts in the figures.

Claims

[Scope of utility model registration request]

It not only has target search and tracking functions, but also
In a radar device that has the function of detecting interference waves from a target, there is a transmitting and receiving antenna that radiates the transmitted radio waves to the outside and receives reflected waves and interference waves from the target, and a transmitter that creates high-frequency power pulses. a transmitting/receiving switching section that performs switching between transmitting radio waves from the transmitter section and receiving radio waves from the antenna, and frequency converting the received radio waves input from the transmitting/receiving switching section to an intermediate frequency. a local signal generation section that creates a local signal for converting the received radio wave into an intermediate frequency, a receiver section that amplifies the frequency mixer output and then outputs it as a video signal, and the receiver section output. Inputs the output from the receiver section and the signal processing section that processes distance tracking and angle tracking and creates various gates and triggers based on the received signals, and the signal processing section that processes the distance tracking and angle tracking and creates various gates and triggers. When in tracking mode, create 4 gates for detecting interference waves, use gates such as bases to detect the direction of interference waves entering the tracking gate, and output a signal to switch to memory tracking mode. an interference wave detection circuit that detects interference waves; an interference wave display unit that determines and displays the type of interference waves;
The above-mentioned interference wave detection circuit includes a switching circuit that switches the trigger for creating an interference wave detection gate in search mode and tracking mode, and in search mode, the position of the interference wave detection gate is set to move arbitrarily within the effective reception range. It also consists of a gate position setting circuit that can move the outer two of the four detection gates within a certain range in tracking mode, and a reset circuit that sends a reset signal to the interference detection circuit. A radar device characterized by: