JPS5816571U - radar receiving device - Google Patents

radar receiving device

Info

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
Application number
JP11054881U
Other languages
Japanese (ja)
Other versions
JPH035909Y2 (en
Inventor
寛 中村
萩沢 敏彦
下條 潔
Original Assignee
日本電気株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP11054881U priority Critical patent/JPS5816571U/en
Publication of JPS5816571U publication Critical patent/JPS5816571U/en
Application granted granted Critical
Publication of JPH035909Y2 publication Critical patent/JPH035909Y2/ja
Granted legal-status Critical Current

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  • 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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] レーダ受信信号に対して、対数振幅特性を与える対数増
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. −
JP11054881U 1981-07-24 1981-07-24 radar receiving device Granted JPS5816571U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542038A (en) * 1978-09-20 1980-03-25 Toshiba Corp Radar

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542038A (en) * 1978-09-20 1980-03-25 Toshiba Corp Radar

Cited By (1)

* Cited by examiner, † Cited by third party
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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