JPH0485285U

JPH0485285U -

Info

Publication number: JPH0485285U
Application number: JP12842590U
Authority: JP
Priority date: 1990-11-30
Filing date: 1990-11-30
Publication date: 1992-07-24

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示すシステムブ
ロツク図、第２図及び第３図はこの考案の動作原
理を説明するための図、第４図は従来の追尾レー
ダ装置のシステムブロツク図である。図において、１はアンテナ、２は送信機、３は
受信機、４は信号処理装置、５はアナログ／デイ
ジタル変換回路、６は高速メモリ回路、７は積分
／ロツクオン検出回路、８は主追尾ゲート回路、
９はタイミング回路、１０は角度追尾回路、１１
は多目標追尾ゲート回路、１２はレーダプロセツ
サ、１３は方位盤制御装置、１４はゲート切換回
路、Ａ_１は距離ビデオ信号、Ａ_２はレンジ・ビン
位置信号、Ａ_３は自動ゲイン・コントロール信号
、Ａ_４は目標移換指令信号、Ａ_５は目標移換信号
、Ａ_６は差分信号、Ｂ_１は角度誤差ビデオ信号、
Ｂ_２はアジマス誤差信号、Ｂ_３はエレベーシヨン
誤差信号、Ｃ_１はアジマス位置信号、Ｃ_２はエレ
ベーシヨン位置信号、Ｄ_１はアジマス指令信号、
Ｄ_２はエレベーシヨン指令信号、Ｅ_１はアジマス
駆動信号、Ｅ_２はエレベーシヨン駆動信号、Ｒ_０は距離信号、Ｌ_＋１〜Ｌ_＋Ｎ，Ｌ_０はロツクオン
信号、Ｔ_０は基準タイミング、Ｔ_１０及びＴ_１１はサンプリング信号、Ｐ_１は送信パルス、Ｐ_２は
目標捕捉ゲート、Ｐ_３は主追尾ゲートである。ま
た、各図中同一符号は同一又は相当部分を示す。 Fig. 1 is a system block diagram showing an embodiment of this invention, Figs. 2 and 3 are diagrams for explaining the operating principle of this invention, and Fig. 4 is a system block diagram of a conventional tracking radar device. be. In the figure, 1 is an antenna, 2 is a transmitter, 3 is a receiver, 4 is a signal processing device, 5 is an analog/digital conversion circuit, 6 is a high-speed memory circuit, 7 is an integration/lock-on detection circuit, and 8 is a main tracking gate. circuit,
9 is a timing circuit, 10 is an angle tracking circuit, 11
12 is a multi-target tracking gate circuit, 12 is a radar processor, 13 is a compass controller, 14 is a gate switching circuit, _A1 is a distance video signal, _A2 is a range/bin position signal, and _A3 is an automatic gain control signal. , _A4 is a target shift command signal, _A5 is a target shift signal, _A6 is a difference signal, _B1 is an angular error video signal,
_B2 is an azimuth error signal, _B3 is an elevation error signal, _C1 is an azimuth position signal, _C2 is an elevation position signal, _D1 is an azimuth command signal,
_D2 is an elevation command signal, _E1 is an azimuth drive signal, _E2 is an elevation drive signal, _R0 is a distance signal, L ₊₁ to L ₊ N, _L0 is a lock-on signal, _T0 is a reference timing, _T10 and _T11 is a sampling signal, _P1 is a transmission pulse, _P2 is a target acquisition gate, and _P3 is a main tracking gate. In addition, the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

In a radar device for searching or tracking a target,
A transmitting/receiving antenna that receives received radio waves or transmits transmitted radio waves, a transmitter that generates a high-frequency power pulse, a receiver that receives the received waves from the antenna, and an input signal that converts the received signal from analog to digital. The main tracking gate circuit used when tracking a target, the multi-target tracking gate circuit that uses half of the acquisition gate when tracking multiple targets, the switching between the main tracking gate circuit and the multi-target tracking gate circuit, and the main tracking gate circuit. A tracking radar device characterized by comprising a gate switching circuit for switching targets.