JPS5816571U - radar receiving device - Google Patents
radar receiving deviceInfo
- Publication number
- JPS5816571U JPS5816571U JP11054881U JP11054881U JPS5816571U JP S5816571 U JPS5816571 U JP S5816571U JP 11054881 U JP11054881 U JP 11054881U JP 11054881 U JP11054881 U JP 11054881U JP S5816571 U JPS5816571 U JP S5816571U
- Authority
- JP
- Japan
- Prior art keywords
- output signal
- average value
- amplifier
- logarithmic
- value detector
- 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図はレーダ装置の一般的構成図、第2図は直線検波
受信装置の特性図、第3図は従来の対数CFAR受信装
置のブロック図、第4図と第5図は第3図に示した対数
CFAR受信装置の特性図、第6図は、本考案による構
成の一実施例を示すブロック図、第7図はその特性図で
ある。
1・・・・・・空中線装置、2・・・・・・送受切替え
装置、3・・・・・・送信装置、4・・・・・・受信装
置、5・・・・・・表示装置、6・・・・・・目標検出
装置、−7・・・・・・レーダデータ処理装置、8,1
3・・・・・・対数検波増幅器、9,14・・・・・・
平均値検出器、10,15・・・・・・信号遅延器、1
1.16・・・・・・減算器、12.18・・曲進対数
増幅器、19・・・・・・直線増幅器、20・・・・・
・レベル比較器、21・・・・・・切替え制御器、22
・・・・・・切替え器、23・・・・・・出力ビデオ信
号。Figure 1 is a general configuration diagram of the radar equipment, Figure 2 is a characteristic diagram of a linear detection receiver, Figure 3 is a block diagram of a conventional logarithmic CFAR receiver, and Figures 4 and 5 are as shown in Figure 3. FIG. 6 is a block diagram showing an embodiment of the configuration according to the present invention, and FIG. 7 is a characteristic diagram of the logarithmic CFAR receiver shown in FIG. 1... Antenna device, 2... Transmission/reception switching device, 3... Transmitting device, 4... Receiving device, 5... Display device , 6...Target detection device, -7...Radar data processing device, 8,1
3... Logarithmic detection amplifier, 9, 14...
Average value detector, 10, 15...Signal delay device, 1
1.16... Subtractor, 12.18... Curvature logarithm amplifier, 19... Linear amplifier, 20...
・Level comparator, 21...Switching controller, 22
......Switcher, 23...Output video signal.
Claims (1)
幅器と、この対数増幅器出力信号の振幅の平均値を出力
する平均値検出器と、この平均値検出器によって生じる
時間遅れを、前記対数増幅・ 器の出力に与える信号
遅延器と、この信号遅延器゛ 出力信号から前記平均値
検出器出力信号を引き算する減算器と、この減算器出力
信号を入力とし、設定したレベル以下の入力信号に対し
ては逆対数振幅特性を有する出力信号を、設定したレベ
ル以上の信号に対しては直線振幅特性を有する出力信号
を出力する増幅器とを具備してなることを特徴とするレ
ーダ受信装置。 −A logarithmic amplifier that gives a logarithmic amplitude characteristic to the radar received signal, an average value detector that outputs the average value of the amplitude of the logarithmic amplifier output signal, and a time delay caused by this average value detector. a signal delayer for subtracting the output signal of the average value detector from the output signal of the signal delayer, and a subtracter for subtracting the output signal of the average value detector from the output signal; What is claimed is: 1. A radar receiving device comprising: an amplifier that outputs an output signal having anti-logarithmic amplitude characteristics for signals above a set level; and an amplifier that outputs an output signal having linear amplitude characteristics for signals above a set level. −
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11054881U JPS5816571U (en) | 1981-07-24 | 1981-07-24 | radar receiving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11054881U JPS5816571U (en) | 1981-07-24 | 1981-07-24 | radar receiving device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5816571U true JPS5816571U (en) | 1983-02-01 |
JPH035909Y2 JPH035909Y2 (en) | 1991-02-14 |
Family
ID=29904913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11054881U Granted JPS5816571U (en) | 1981-07-24 | 1981-07-24 | radar receiving device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5816571U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011027588A (en) * | 2009-07-27 | 2011-02-10 | Japan Radio Co Ltd | Signal processing device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542038A (en) * | 1978-09-20 | 1980-03-25 | Toshiba Corp | Radar |
-
1981
- 1981-07-24 JP JP11054881U patent/JPS5816571U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5542038A (en) * | 1978-09-20 | 1980-03-25 | Toshiba Corp | Radar |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011027588A (en) * | 2009-07-27 | 2011-02-10 | Japan Radio Co Ltd | Signal processing device |
Also Published As
Publication number | Publication date |
---|---|
JPH035909Y2 (en) | 1991-02-14 |
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