JPH0327869B2 - - Google Patents

Info

Publication number
JPH0327869B2
JPH0327869B2 JP13541385A JP13541385A JPH0327869B2 JP H0327869 B2 JPH0327869 B2 JP H0327869B2 JP 13541385 A JP13541385 A JP 13541385A JP 13541385 A JP13541385 A JP 13541385A JP H0327869 B2 JPH0327869 B2 JP H0327869B2
Authority
JP
Japan
Prior art keywords
signal
attenuator
amplifier
matched filter
level
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.)
Expired
Application number
JP13541385A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61292581A (ja
Inventor
Tatsuo Hayashi
Hiroshi Iino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric Co Ltd
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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP13541385A priority Critical patent/JPS61292581A/ja
Publication of JPS61292581A publication Critical patent/JPS61292581A/ja
Publication of JPH0327869B2 publication Critical patent/JPH0327869B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP13541385A 1985-06-20 1985-06-20 水中探知装置におけるagc装置 Granted JPS61292581A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13541385A JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるagc装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13541385A JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるagc装置

Publications (2)

Publication Number Publication Date
JPS61292581A JPS61292581A (ja) 1986-12-23
JPH0327869B2 true JPH0327869B2 (OSRAM) 1991-04-17

Family

ID=15151145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13541385A Granted JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるagc装置

Country Status (1)

Country Link
JP (1) JPS61292581A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2576759B2 (ja) * 1993-04-21 1997-01-29 日本電気株式会社 電波探知装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822979A (ja) * 1981-08-05 1983-02-10 Marine Instr Co Ltd スキヤンニングソ−ナ−における受信方法
JPS60382A (ja) * 1983-06-10 1985-01-05 Yokogawa Medical Syst Ltd 方位角適応型フエ−ズド・アレイ・ソ−ナ−
JPS60107582A (ja) * 1983-11-16 1985-06-13 Nec Corp ダイナミックレンジ圧縮回路

Also Published As

Publication number Publication date
JPS61292581A (ja) 1986-12-23

Similar Documents

Publication Publication Date Title
US4198702A (en) Time varying gain amplifier for side scan sonar applications
CA2252183A1 (en) An imaging apparatus with dynamic range expanded, a video camera including the same, and a method of generating a dynamic range expanded video signal
US4631710A (en) Azimuth adaptive phased array sonar
US5253187A (en) Coordinate input apparatus
US5287330A (en) Sonar apparatus
US4119942A (en) Acoustic direction finder
KR19990045594A (ko) 속도측정장치
JPH0327869B2 (OSRAM)
JPS60253988A (ja) 側方監視ソナー装置が受信した被変調信号を処理する装置
JPS6253641A (ja) 超音波診断装置
JPS6132130A (ja) 座標読取装置
JP2612081B2 (ja) 水中音響探知装置
JPH05180928A (ja) 水中探知装置
US4156919A (en) Feedforward filter
JPH0668543B2 (ja) チヤ−プ信号受信装置
JPS6031270B2 (ja) アクティブソ−ナ−装置
JPH0136152Y2 (OSRAM)
JPH0622233Y2 (ja) 即時自動利得調整回路
JPS61247960A (ja) エコ−超音波像表示方法及び装置
JP2002311129A (ja) 水中探知装置の受信回路
JPS62287176A (ja) アクテイブソ−ナ−システムの受信回路
JPH0426714B2 (OSRAM)
JP2618984B2 (ja) パルスドプラレーダ装置
JPH035909Y2 (OSRAM)
JPH0521513B2 (OSRAM)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees