JPS593376A - Three-dimensional radar equipment - Google Patents
Three-dimensional radar equipmentInfo
- Publication number
- JPS593376A JPS593376A JP11505182A JP11505182A JPS593376A JP S593376 A JPS593376 A JP S593376A JP 11505182 A JP11505182 A JP 11505182A JP 11505182 A JP11505182 A JP 11505182A JP S593376 A JPS593376 A JP S593376A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- radar
- fixed target
- stationary target
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、３次元レーダー装置に２いて固定目標除去
方法を改良したものに関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a three-dimensional radar device with an improved fixed target removal method.
従来の３次元レーダー装置の固定目標除去方法としては
、オペレータがレーダー・コンソールのレーダー・ビデ
オを見て、固定目標のエリア（距離と方位）を指定して
いた。In conventional fixed target removal methods for three-dimensional radar equipment, the operator views the radar video on the radar console and specifies the area (distance and direction) of the fixed target.
すなわち、従来はオペレータがレーダー・コンソールで
レーダー・ビデオを見、常に久方があるエリアは固定目
標のエリアであるとしてオペレータが指定し、この指定
情報がレーダーの計算機のメモリに記憶され、この内容
を使って計算機で固定目標を除去していた。That is, in the past, an operator viewed radar video on a radar console, designated an area where there was always a long distance as a fixed target area, and this designation information was stored in the memory of the radar's computer, and this content Fixed targets were removed by computer using .
従来の方式では、オペレータが固定目標のエリアを常に
指定しなければならないこと、及び地面や島などの固定
目標があると、その上空を飛行する航空機も固定目標と
して除去されてしまう等の欠点があった。Conventional methods have drawbacks such as the operator having to always specify the fixed target area, and if there is a fixed target such as the ground or an island, aircraft flying over it will also be removed as a fixed target. there were.
この発明は上記のような従来のものの欠点を除去するだ
めになされたもので、自動的に、３次元的（距離と方位
と仰角口こ固定目標を除去する３次元レーダー装置を提
供することを目的としている、
以Ｆ、この発明の一実施例を図について説明する。The present invention has been made to eliminate the above-mentioned drawbacks of the prior art, and aims to provide a three-dimensional radar system that automatically eliminates fixed targets in three dimensions (range, azimuth, and elevation). Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
図面において、（１）は受信信号λと方位信８ｂと仰角
信号Ｃとを合成するバッファ回路、（２１Ｖ！、／’ツ
７ア回路（１）からのＮスキャン分のレーダー人力信号
ｄを蓄積する固定目標検出回路であり、図中のＡＺｉｊ
仰角軸、ＥＬＩ−ｉ方位軸、ＲＮＧｄ距離軸を示す。（
３）は固定目標検出回路（２）の出力のうちＮスキャン
中Ｍスキャン以上の入力があるものを通過させるスライ
サ回路、（４）は上記スライサ回路（３）からの信号に
より、レーダー人力信号ｄにゲートをかけ、固定目標を
除去しレーダー信号ｅを出力する固定目標除去回路、（
５）は固定目標検出回路（２）およびスライサ回路（３
）による遅延時間を補償する遅延回路である。In the drawing, (1) is a buffer circuit that combines the received signal λ, the azimuth signal 8b, and the elevation signal C, and (21V!, /'7a) stores the radar human signal d for N scans from the circuit (1). AZij in the figure is a fixed target detection circuit that
The elevation axis, ELI-i azimuth axis, and RNGd distance axis are shown. (
3) is a slicer circuit that passes the output of the fixed target detection circuit (2) that has an input of M scan or more during N scan, and (4) is a slicer circuit that passes the output of the fixed target detection circuit (2) that has an input of M scan or more during N scan. A fixed target removal circuit that gates the fixed target, removes the fixed target, and outputs the radar signal e, (
5) is a fixed target detection circuit (2) and a slicer circuit (3).
) is a delay circuit that compensates for the delay time caused by
この発明は、固定した目標を３次元的に自助検出し、除
去するものであり、以ドにその動作を説明する。３次元
レーダー装置のセンサ一部からの受信信Ｊ８ａと仰角信
号すと方位信号ｃＨパン７ア回路（１）に入力され、バ
ッファ回Ｗ！ｒ（１＋で合成されてレーダー人力信号ｄ
となる。レーダー人力信号ｄは固定目標検出回路（２）
に入力され、Ｎスキャン分の蓄積が行なわれる。固定目
標検出回路（２）は距離方向と方位方向と仰角方向につ
いての各領域毎にメモリをもってどり、それぞれの領域
のメモリは最小値０．最大値１ｑの値を記憶できるよう
になっている。各領域はスキャン毎にレーダー人力信号
ｄがある時にけ１加算し、レーダー人力信号ｄがない時
には１減算する演算を行ない、結果を記憶している。固
定目標検出回路（２）でのＮスキャン分の蓄積結果は、
スライサ回路（３）に入力され、Ｎスキャン中Ｍスキャ
ン以上（Ｍ≦Ｎ）の蓄積効果がある時にはスライサ回路
（３）を通過する。固定目標除去回路（４）はレーダー
人力信号を固定目標検出回路（２）′Ｊ６よびスライサ
回路（３）による遅延時間だけ遅延回路（５）で遅延し
たものを入力し、スライサ回路（３）の出力によってレ
ーダー人力信号を除去し、レーダー信号ｅとして出力す
る。すなわち、この固定目標除去回路（４）は固定目標
と判定された領域のレーダー人力信号ｄをカットし、自
動的に３次元（距離と方位と仰角）的に固定目標を除去
する動作を行なう。This invention detects and removes a fixed target three-dimensionally, and its operation will be explained below. The received signal J8a from a part of the sensor of the three-dimensional radar device, the elevation angle signal and the azimuth signal cH are input to the pan 7a circuit (1), and the buffer times W! r (combined with 1+ and radar human signal d
becomes. Radar human input signal d is fixed target detection circuit (2)
is input, and accumulation for N scans is performed. The fixed target detection circuit (2) returns memory for each area in the distance direction, azimuth direction, and elevation direction, and the memory of each area is set to a minimum value of 0. A maximum value of 1q can be stored. For each area, an operation is performed in which 1 is added when there is a radar human power signal d, and 1 is subtracted when there is no radar human power signal d, and the results are stored. The accumulation results for N scans in the fixed target detection circuit (2) are:
The signal is input to the slicer circuit (3) and passes through the slicer circuit (3) when there is an accumulation effect of M scans or more (M≦N) during N scans. The fixed target removal circuit (4) inputs the radar human signal delayed by the delay circuit (5) by the delay time of the fixed target detection circuit (2)'J6 and the slicer circuit (3). The radar human signal is removed from the output and output as a radar signal e. That is, this fixed target removal circuit (4) cuts the radar human signal d in the area determined to be a fixed target, and automatically performs an operation to remove the fixed target in three dimensions (distance, azimuth, and elevation angle).
な８、上記実施例ではレーダーが固定している場合につ
いて説明したが、艦船や航空機に塔載された３次元レー
ダーのように、レーダーが移動している場合についても
上記実施例と同様の効果を奏する。8. In the above embodiment, the case where the radar is fixed has been explained, but the same effect as in the above embodiment can be obtained when the radar is moving, such as a three-dimensional radar mounted on a ship or an aircraft. play.
また、仰角信号のかわりに高度の信号を使用しても上記
実施例と同様の効果を奏する。Further, even if an altitude signal is used instead of the elevation signal, the same effect as in the above embodiment can be obtained.
以上のように、この発明によれば、固定目標を３次元的
に、しかも自動的に除去するように構成したので、レー
ダー装置の操作が簡単になり、しかも地面や島などの固
定目標の上空を飛行する航空機が固定目標として除去さ
れない効果がある。As described above, according to the present invention, since fixed targets are removed three-dimensionally and automatically, the radar device can be easily operated, and moreover, This has the effect of preventing aircraft flying from being removed as fixed targets.
図面はこの発明の一実施例によるレーダー装置を示すグ
ａツク図である。
図中、（１）はバッファ回路、（２）は固定目標検出回
路、（３）はスライサ回路、（４）は固定目標除去回路
、＋５１は遅延回路である。The drawing is a diagram showing a radar device according to an embodiment of the present invention. In the figure, (1) is a buffer circuit, (2) is a fixed target detection circuit, (3) is a slicer circuit, (4) is a fixed target removal circuit, and +51 is a delay circuit.
Claims (1)
おいて、受信信号と方位信号と仰角信号とを合成するバ
ッファ回路と、このバッフ１回路の出力のうちＮスキャ
ン分の入力信号を蓄積する固定目標検出回路と、この固
定目標検出回路の出力であるＮ個のデータ中Ｍ個以上の
ものを通過させるスライサ回路と、上記バッフ１回路の
出力から上記スライサ回路の出力を固定目標として１余
去する固定目標除去回路とを備えたことを特徴とする３
次元レーダー装置。(1) In a three-dimensional radar device that rotates constantly in the azimuth direction, there is a buffer circuit that combines a received signal, an azimuth signal, and an elevation signal, and a fixed circuit that accumulates input signals for N scans out of the output of this buffer circuit. a target detection circuit; a slicer circuit that passes M or more of the N data output from the fixed target detection circuit; 3, characterized in that it is equipped with a fixed target removal circuit that
Dimensional radar device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11505182A JPS593376A (en) | 1982-06-30 | 1982-06-30 | Three-dimensional radar equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11505182A JPS593376A (en) | 1982-06-30 | 1982-06-30 | Three-dimensional radar equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS593376A true JPS593376A (en) | 1984-01-10 |
Family
ID=14652958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11505182A Pending JPS593376A (en) | 1982-06-30 | 1982-06-30 | Three-dimensional radar equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593376A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015222716A (en) * | 2014-04-30 | 2015-12-10 | 日本航空電子工業株式会社 | Electric connector |
-
1982
- 1982-06-30 JP JP11505182A patent/JPS593376A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015222716A (en) * | 2014-04-30 | 2015-12-10 | 日本航空電子工業株式会社 | Electric connector |
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