GR72545B - - Google Patents
Info
- Publication number
- GR72545B GR72545B GR58856A GR790158856A GR72545B GR 72545 B GR72545 B GR 72545B GR 58856 A GR58856 A GR 58856A GR 790158856 A GR790158856 A GR 790158856A GR 72545 B GR72545 B GR 72545B
- Authority
- GR
- Greece
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8902—Side-looking sonar
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/90—Sonar time varied gain control systems
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/896,240 US4198702A (en) | 1978-04-14 | 1978-04-14 | Time varying gain amplifier for side scan sonar applications |
Publications (1)
Publication Number | Publication Date |
---|---|
GR72545B true GR72545B (el) | 1983-11-17 |
Family
ID=25405861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR58856A GR72545B (el) | 1978-04-14 | 1979-04-10 |
Country Status (8)
Country | Link |
---|---|
US (1) | US4198702A (el) |
JP (1) | JPS54138469A (el) |
CA (1) | CA1125431A (el) |
DE (1) | DE2915069C2 (el) |
FR (1) | FR2422965B1 (el) |
GB (1) | GB2018994B (el) |
GR (1) | GR72545B (el) |
IT (1) | IT1116023B (el) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4464738A (en) * | 1980-02-22 | 1984-08-07 | Sonic Tape Public Limited Company | Sonar distance sensing apparatus |
US4420824A (en) * | 1981-04-13 | 1983-12-13 | Lowrance Electronics, Inc. | Sonar apparatus having improved gain control |
DE3133080C2 (de) * | 1981-08-21 | 1983-05-26 | Honeywell-Elac-Nautik Gmbh, 2300 Kiel | Schaltungsanordnung für Echolotgeräte |
JPS63298025A (ja) * | 1987-05-29 | 1988-12-05 | Japan Tobacco Inc | 水分測定装置 |
DE3834158A1 (de) * | 1988-10-07 | 1990-04-12 | E T R Gmbh | Ultraschall-sensorsystem mit geregeltem verstaerker und sektoren definiert begrenzter daempfung |
US5012449A (en) * | 1989-06-30 | 1991-04-30 | Ferranti O.R.E. Inc. | Sonic flow meter |
US5260912A (en) * | 1991-05-17 | 1993-11-09 | Computrol, Inc. | Side-looking fish finder |
JP2008508539A (ja) | 2004-08-02 | 2008-03-21 | ジョンソン アウトドアズ インコーポレイテッド | 船舶搭載用ソナー画像システム |
US8130215B2 (en) * | 2007-05-31 | 2012-03-06 | Honeywell International Inc. | Logarithmic amplifier |
US8964503B2 (en) * | 2009-04-28 | 2015-02-24 | Baker Hughes Incorporated | Petrophysics-guided processing of LWD acoustic data |
US8947975B2 (en) * | 2009-05-14 | 2015-02-03 | Baker Hughes Incorporated | Time-variable gain for correction of fluid attenuation in downhole acoustic tools |
US8300499B2 (en) * | 2009-07-14 | 2012-10-30 | Navico, Inc. | Linear and circular downscan imaging sonar |
US8305840B2 (en) | 2009-07-14 | 2012-11-06 | Navico, Inc. | Downscan imaging sonar |
US9142206B2 (en) | 2011-07-14 | 2015-09-22 | Navico Holding As | System for interchangeable mounting options for a sonar transducer |
US9182486B2 (en) | 2011-12-07 | 2015-11-10 | Navico Holding As | Sonar rendering systems and associated methods |
US9268020B2 (en) | 2012-02-10 | 2016-02-23 | Navico Holding As | Sonar assembly for reduced interference |
US9354312B2 (en) | 2012-07-06 | 2016-05-31 | Navico Holding As | Sonar system using frequency bursts |
JP2014204195A (ja) * | 2013-04-02 | 2014-10-27 | 富士通株式会社 | 利得制御回路、及び、超音波画像装置 |
US9989631B2 (en) * | 2013-05-29 | 2018-06-05 | Mitsubishi Electric Corporation | Laser radar device and radar image generating method |
US10151829B2 (en) | 2016-02-23 | 2018-12-11 | Navico Holding As | Systems and associated methods for producing sonar image overlay |
US11367425B2 (en) | 2017-09-21 | 2022-06-21 | Navico Holding As | Sonar transducer with multiple mounting options |
CN109946684B (zh) * | 2019-03-08 | 2022-10-25 | 哈尔滨工程大学 | 一种具备大输出动态范围的宽带声呐发射机 |
CN111650159B (zh) * | 2020-06-17 | 2023-07-18 | 自然资源部第一海洋研究所 | 一种海面反向散射强度测量方法 |
CN113534162B (zh) * | 2021-05-31 | 2024-03-19 | 中国船舶重工集团公司第七一五研究所 | 一种基于阵元域数据的在线时变增益控制方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB797830A (en) * | 1954-08-20 | 1958-07-09 | Philco Corp | Improvements in and relating to electrical systems for modifying electric signals |
US2798949A (en) * | 1954-06-11 | 1957-07-09 | Scholz Paul | Sensitivity time control circuit |
US3144631A (en) * | 1962-01-09 | 1964-08-11 | Gen Instrument Corp | Radiation mapping system |
US3191170A (en) * | 1963-01-07 | 1965-06-22 | Gen Instrument Corp | Contour mapping system |
US3242484A (en) * | 1963-09-23 | 1966-03-22 | Bendix Corp | Topographic mapping system employing reflected energy |
FR1528578A (fr) * | 1965-11-19 | 1968-06-14 | Inst Francais Du Petrole | Méthode de détermination des courbes de niveau du fond sous-marin et dispositif pour sa mise en oeuvre |
DE1566872A1 (de) * | 1967-09-22 | 1970-10-22 | Electroacustic Gmbh | Echolotgeraet mit einer zeitabhaengigen Verstaerkungsgradregelung |
US3484737A (en) * | 1968-02-23 | 1969-12-16 | Raytheon Co | Acoustic mapping apparatus |
US3585579A (en) * | 1969-07-09 | 1971-06-15 | Westinghouse Electric Corp | Side looking sonar transducer |
US3618007A (en) * | 1969-11-18 | 1971-11-02 | Us Navy | Vertical obstacle profiling sonar |
US3641484A (en) * | 1970-03-10 | 1972-02-08 | Gen Instrument Corp | Contour-mapping system |
US3716825A (en) * | 1970-07-30 | 1973-02-13 | Raytheon Co | Contour measuring apparatus especially for use in a sea bottom elevation measurement |
US3742436A (en) * | 1971-03-24 | 1973-06-26 | Westinghouse Electric Corp | Side looking sonar apparatus |
US3757287A (en) * | 1972-04-06 | 1973-09-04 | Us Navy | Sea bottom classifier |
US3781775A (en) * | 1972-05-01 | 1973-12-25 | Us Navy | Rotating stereo sonar mapping and positioning system |
JPS4937549A (el) * | 1972-08-07 | 1974-04-08 | ||
US3950723A (en) * | 1974-02-21 | 1976-04-13 | Westinghouse Electric Corporation | Sonar apparatus |
US3914730A (en) * | 1974-03-18 | 1975-10-21 | Westinghouse Electric Corp | Moving window sonar display system |
US3895339A (en) * | 1974-03-29 | 1975-07-15 | Westinghouse Electric Corp | Acoustic camera apparatus |
US3975704A (en) * | 1974-11-04 | 1976-08-17 | Klein Associates, Inc. | Method of and apparatus for sonar and related signal texture enhancement of recording media |
US4030096A (en) * | 1975-12-05 | 1977-06-14 | Westinghouse Electric Corporation | Automatic target detector |
US4024490A (en) * | 1976-02-27 | 1977-05-17 | Westinghouse Electric Corporation | Multibeam sidelooking sonar display system |
-
1978
- 1978-04-14 US US05/896,240 patent/US4198702A/en not_active Expired - Lifetime
-
1979
- 1979-03-22 CA CA324,014A patent/CA1125431A/en not_active Expired
- 1979-04-10 GR GR58856A patent/GR72545B/el unknown
- 1979-04-11 FR FR7909191A patent/FR2422965B1/fr not_active Expired
- 1979-04-12 IT IT48706/79A patent/IT1116023B/it active
- 1979-04-12 GB GB7913103A patent/GB2018994B/en not_active Expired
- 1979-04-12 DE DE2915069A patent/DE2915069C2/de not_active Expired
- 1979-04-13 JP JP4445979A patent/JPS54138469A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS54138469A (en) | 1979-10-26 |
GB2018994B (en) | 1983-02-02 |
US4198702A (en) | 1980-04-15 |
GB2018994A (en) | 1979-10-24 |
IT7948706A0 (it) | 1979-04-12 |
CA1125431A (en) | 1982-06-08 |
FR2422965A1 (fr) | 1979-11-09 |
IT1116023B (it) | 1986-02-10 |
DE2915069C2 (de) | 1984-01-05 |
FR2422965B1 (fr) | 1985-11-08 |
DE2915069A1 (de) | 1979-10-31 |
JPS6224747B2 (el) | 1987-05-29 |