JPS5857985U - target detection device - Google Patents
target detection deviceInfo
- Publication number
- JPS5857985U JPS5857985U JP15296481U JP15296481U JPS5857985U JP S5857985 U JPS5857985 U JP S5857985U JP 15296481 U JP15296481 U JP 15296481U JP 15296481 U JP15296481 U JP 15296481U JP S5857985 U JPS5857985 U JP S5857985U
- Authority
- JP
- Japan
- Prior art keywords
- target
- area
- threshold value
- threshold
- signal
- 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.)
- Granted
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はパルス・レーダ装置の一構成例のブロック図で
ある。第２図Ａ、 ａは、ノーマル・ビデオ信号をｂ
は、一定のスレシホールド値による目標検出された信号
を示したものであり、第２図Ｂ。
ａは、ＭＴ■ビデオ信号をｂは、一定のスレシホールド
値による目標検出された信号を示したものである。第３
図ａは、ＭＴＩビデオ信号と領域ごとのスレシホールド
制御と目標存在予測領域によるスレシホールド制御を示
しｂは、従来装置での目標検出された信号をＣは、本考
案装置での目標検出された信号を示したものである。第
４図は、本考案の目標検出装置の一実施例を示したブロ
ック図である。
１・・・・・・空中線装置、２・・・・・・送信装置、
３・・・・・・送受切替器、４・・・・・・受信装置、
５・・・・・・目標検出装置、６・・・・・・データ処
理装置、７・・・・・・指示装置、１１・・・・・・受
信機雑音、１２・・・・・・クラッタ信号、１３・・・
・・・クラッタ領域内目標信号、１４・・・・・・目標
信号、１５・・・・・・微小目標信号、１６・・・・・
・スレシホールド・レベル、１７・・・・・・クラッタ
領域、１８・・・・・・消え残りクラッタ信号、１９・
・・・・・領域ごとスレシホールド・レベル、２０・・
・・・・目標予測領域スレシホールド・し＾ル、２１・
・・・・・目標予測領域、３１゜３２．３３・・・・・
・入力端子、３４・・・・・・ビデオ選択器、３５・・
・・・・積分器、３６・・・・・・スレシホールド制御
器、３７・・・・・・目標抽出器、３８・・・・・・目
標存在予測領域発生器、３９・・・・・・予測領域スレ
シホールド制御器、４０・・・・・・出力端子。FIG. 1 is a block diagram of an example of the configuration of a pulse radar device. Figure 2A, a is a normal video signal and b
FIG. 2B shows a target detected signal with a fixed threshold value. a shows the MT■ video signal, and b shows the target detected signal with a certain threshold value. Third
Figure a shows the MTI video signal, threshold control for each area, and threshold control based on the target presence prediction area; b shows the target detected signal with the conventional device; and C shows target detection with the device of the present invention. This shows the signal that was generated. FIG. 4 is a block diagram showing an embodiment of the target detection device of the present invention. 1... antenna device, 2... transmitting device,
3... Transmission/reception switch, 4... Receiving device,
5...Target detection device, 6...Data processing device, 7...Instruction device, 11...Receiver noise, 12... Clutter signal, 13...
...Target signal in clutter region, 14...Target signal, 15...Minute target signal, 16...
・Threshold level, 17...Clutter area, 18...Remaining clutter signal, 19.
...Threshold level for each area, 20...
...Target prediction area threshold, 21.
...Target prediction area, 31°32.33...
・Input terminal, 34...Video selector, 35...
...Integrator, 36...Threshold controller, 37...Target extractor, 38...Target existence prediction region generator, 39... ...Prediction area threshold controller, 40...Output terminal.
Claims (1)
を発生する目標存在予測領域信号発生器と、予め定めた
捜索覆域を小領域に分割して各領域に適合したスレシホ
ールド値（しきい値）を発生するスレシホールド制御器
と、前記目標存在子、 測領域に対して前記スレシホ
ールド制御器で発生したスレシホールド値と異なるスレ
シホールド値を発生する予測領域スレシホールド制御器
と、前記スレシホールド値を越えた目標信号を検出し目
標情報を抽出する目標抽出器とを具備することにより目
標信号の検出率を高めることを特徴とする、 目標検
出装置。A target presence prediction area signal generator generates a target presence prediction area signal corresponding to the target presence prediction position area, and a target presence prediction area signal generator that divides a predetermined search coverage area into small areas and generates a threshold value suitable for each area. a threshold controller that generates a threshold value), and a prediction area threshold control that generates a threshold value different from the threshold value generated by the threshold controller for the target entity and the measurement area. and a target extractor that detects a target signal exceeding the threshold value and extracts target information, thereby increasing the detection rate of a target signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15296481U JPS5857985U (en) | 1981-10-15 | 1981-10-15 | target detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15296481U JPS5857985U (en) | 1981-10-15 | 1981-10-15 | target detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5857985U true JPS5857985U (en) | 1983-04-19 |
| JPH031830Y2 JPH031830Y2 (en) | 1991-01-18 |
Family
ID=29945600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15296481U Granted JPS5857985U (en) | 1981-10-15 | 1981-10-15 | target detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5857985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6459182A (en) * | 1987-08-31 | 1989-03-06 | Nec Corp | Radar signal processing apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116694A (en) * | 1975-04-04 | 1976-10-14 | Mitsubishi Electric Corp | Radar object detecting device |
-
1981
- 1981-10-15 JP JP15296481U patent/JPS5857985U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51116694A (en) * | 1975-04-04 | 1976-10-14 | Mitsubishi Electric Corp | Radar object detecting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6459182A (en) * | 1987-08-31 | 1989-03-06 | Nec Corp | Radar signal processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH031830Y2 (en) | 1991-01-18 |
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