JP2011237180A - 探知装置 - Google Patents
探知装置 Download PDFInfo
- Publication number
- JP2011237180A JP2011237180A JP2010106103A JP2010106103A JP2011237180A JP 2011237180 A JP2011237180 A JP 2011237180A JP 2010106103 A JP2010106103 A JP 2010106103A JP 2010106103 A JP2010106103 A JP 2010106103A JP 2011237180 A JP2011237180 A JP 2011237180A
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- JP
- Japan
- Prior art keywords
- interference
- signal
- received signal
- unit
- detection
- 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.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 67
- 238000005259 measurement Methods 0.000 claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 18
- 241000251468 Actinopterygii Species 0.000 abstract description 14
- 238000002592 echocardiography Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 39
- 238000010586 diagram Methods 0.000 description 16
- 238000000605 extraction Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 4
- 238000012935 Averaging Methods 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- G01S15/96—Sonar systems specially adapted for specific applications for locating fish
-
- 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
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
- G01S7/2923—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods
- G01S7/2927—Extracting wanted echo-signals based on data belonging to a number of consecutive radar periods by deriving and controlling a threshold value
-
- 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
- G01S7/527—Extracting wanted echo signals
-
- 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
- G01S7/56—Display arrangements
- G01S7/62—Cathode-ray tube displays
- G01S7/6218—Cathode-ray tube displays providing two-dimensional coordinated display of distance and direction
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)
Abstract
【解決手段】基準時間以上連続して強度変化が大きい(しきい値以上である)場合にのみ干渉であると判断する。例えば、魚群探知機であれば、強度変化の大きい箇所が深度方向にある程度連続性を有している場合にのみ干渉であると判断する。例えば、同一物標からのエコーが今回と前回とで離れた深度に検出される場合においても、干渉であると判断することがない。
【選択図】図4
Description
12…送受切替部
13…送信回路
14…制御部
15…受信回路
16…A/D変換器
17…メモリ
18…信号処理部
19…表示処理部
20…表示部
Claims (4)
- 送信信号に対するエコーの強度に応じた受信信号を出力する送受信部と、
前記受信信号を複数回の測定分記憶する記憶部と、
前記受信信号から、干渉信号を検出する干渉検出部と、を備え、
前記干渉検出部は、複数回の測定における各受信信号について、1回の測定内において基準時間以上連続して、前回からの強度変化が所定のしきい値以上である受信信号が検出される場合に、当該強度変化がしきい値以上である受信信号を干渉信号であると判断する探知装置。 - 前記受信信号を強度に応じたエコー画像として出力する映像出力部を備え、
前記干渉検出部は、前記映像出力部の全体の画素数に基づいて前記基準時間を決定する請求項1に記載の探知装置。 - 前記干渉検出部は、干渉信号と判断した受信信号を除去した後の受信信号について、さらに干渉信号であるか否かの判断を繰り返し行う請求項1または2に記載の探知装置。
- 前記干渉検出部は、干渉信号と判断した受信信号の数が基準値以上である場合、さらに干渉信号であるか否かの判断を繰り返し行う請求項3に記載の探知装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010106103A JP5890087B2 (ja) | 2010-05-06 | 2010-05-06 | 探知装置 |
US13/098,685 US9366758B2 (en) | 2010-05-06 | 2011-05-02 | Detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010106103A JP5890087B2 (ja) | 2010-05-06 | 2010-05-06 | 探知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011237180A true JP2011237180A (ja) | 2011-11-24 |
JP5890087B2 JP5890087B2 (ja) | 2016-03-22 |
Family
ID=44901846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010106103A Active JP5890087B2 (ja) | 2010-05-06 | 2010-05-06 | 探知装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9366758B2 (ja) |
JP (1) | JP5890087B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012189431A (ja) * | 2011-03-10 | 2012-10-04 | Japan Radio Co Ltd | 干渉除去装置、レーダ装置、及び干渉除去方法 |
JP2012225650A (ja) * | 2011-04-14 | 2012-11-15 | Furuno Electric Co Ltd | 探知装置およびプログラム |
JP2014048103A (ja) * | 2012-08-30 | 2014-03-17 | Furuno Electric Co Ltd | 物標探知装置及び物標探知装置におけるエコーデータの表示方法 |
JP2014077701A (ja) * | 2012-10-10 | 2014-05-01 | Furuno Electric Co Ltd | 魚群探知装置、信号処理装置、魚群探知機、魚群探知方法、及びプログラム |
JP2014077702A (ja) * | 2012-10-10 | 2014-05-01 | Furuno Electric Co Ltd | 魚種判別装置、信号処理装置、水中探知機、魚種判別方法、及びプログラム |
WO2023032568A1 (ja) * | 2021-09-01 | 2023-03-09 | 株式会社デンソー | 物体検知装置、物体検知方法、および物体検知プログラム |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5383374B2 (ja) * | 2009-08-05 | 2014-01-08 | 古野電気株式会社 | 水中探知装置 |
JP5965715B2 (ja) * | 2012-04-27 | 2016-08-10 | 古野電気株式会社 | 超音波送受信装置、超音波送受信方法、および超音波送受信プログラム |
AU2013357019B2 (en) * | 2012-12-14 | 2018-02-15 | Bae Systems Plc | Mitigation of anomalous propagation effects in radar |
US9952312B2 (en) * | 2015-07-06 | 2018-04-24 | Navico Holding As | Radar interference mitigation |
CN112083404B (zh) * | 2020-09-22 | 2021-05-18 | 中国科学院声学研究所 | 一种基于多途特征匹配的单矢量水听器声源深度估计方法 |
CN115657033B (zh) * | 2022-12-29 | 2023-07-07 | 北京九天微星科技发展有限公司 | 一种高分辨率低轨卫星合成孔径雷达成像方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6394183A (ja) * | 1986-10-08 | 1988-04-25 | Mitsubishi Electric Corp | パルスレ−ダ相互間の干渉波除去装置 |
JPH07198829A (ja) * | 1993-12-29 | 1995-08-01 | Koden Electron Co Ltd | 複数波干渉除去超音波探知装置 |
JPH11202050A (ja) * | 1998-01-16 | 1999-07-30 | Showa Optronics Kk | 超音波距離計 |
JP2002107451A (ja) * | 2000-09-28 | 2002-04-10 | Furuno Electric Co Ltd | 魚群探知機 |
JP2003043134A (ja) * | 2001-08-03 | 2003-02-13 | Nec Corp | 短パルスエコーの周波数検出装置 |
JP2003322678A (ja) * | 2002-02-28 | 2003-11-14 | Koden Electronics Co Ltd | 超音波探査装置 |
Family Cites Families (6)
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US4489320A (en) * | 1981-08-07 | 1984-12-18 | The United States Of America As Represented By The Secretary Of The Navy | Interference suppressor for radar MTI |
EP2281773B1 (en) * | 2004-12-14 | 2012-01-04 | Nestec S.A. | Device and method for controlling the filling of a cup in a drinks vending machine such as a coffee machine |
EP1933164B1 (en) * | 2005-10-07 | 2016-07-13 | Kabushiki Kaisha Toshiba | Radar device and inter-radar site adjustment method |
US7388809B2 (en) * | 2006-09-28 | 2008-06-17 | Furuno Electric Company, Limited | Fish finder that transmits ultrasonic waves, receives echo signals, and performs interference removal |
JP5072400B2 (ja) * | 2007-03-26 | 2012-11-14 | 古野電気株式会社 | 水中探知装置 |
US8359178B2 (en) * | 2009-03-04 | 2013-01-22 | Honeywell International Inc. | Method and apparatus for identifying erroneous sensor outputs |
-
2010
- 2010-05-06 JP JP2010106103A patent/JP5890087B2/ja active Active
-
2011
- 2011-05-02 US US13/098,685 patent/US9366758B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6394183A (ja) * | 1986-10-08 | 1988-04-25 | Mitsubishi Electric Corp | パルスレ−ダ相互間の干渉波除去装置 |
JPH07198829A (ja) * | 1993-12-29 | 1995-08-01 | Koden Electron Co Ltd | 複数波干渉除去超音波探知装置 |
JPH11202050A (ja) * | 1998-01-16 | 1999-07-30 | Showa Optronics Kk | 超音波距離計 |
JP2002107451A (ja) * | 2000-09-28 | 2002-04-10 | Furuno Electric Co Ltd | 魚群探知機 |
JP2003043134A (ja) * | 2001-08-03 | 2003-02-13 | Nec Corp | 短パルスエコーの周波数検出装置 |
JP2003322678A (ja) * | 2002-02-28 | 2003-11-14 | Koden Electronics Co Ltd | 超音波探査装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012189431A (ja) * | 2011-03-10 | 2012-10-04 | Japan Radio Co Ltd | 干渉除去装置、レーダ装置、及び干渉除去方法 |
JP2012225650A (ja) * | 2011-04-14 | 2012-11-15 | Furuno Electric Co Ltd | 探知装置およびプログラム |
JP2014048103A (ja) * | 2012-08-30 | 2014-03-17 | Furuno Electric Co Ltd | 物標探知装置及び物標探知装置におけるエコーデータの表示方法 |
US9632175B2 (en) | 2012-08-30 | 2017-04-25 | Furuno Electric Co., Ltd. | Target object detection device and method of displaying echo data in the target object detection device |
JP2014077701A (ja) * | 2012-10-10 | 2014-05-01 | Furuno Electric Co Ltd | 魚群探知装置、信号処理装置、魚群探知機、魚群探知方法、及びプログラム |
JP2014077702A (ja) * | 2012-10-10 | 2014-05-01 | Furuno Electric Co Ltd | 魚種判別装置、信号処理装置、水中探知機、魚種判別方法、及びプログラム |
WO2023032568A1 (ja) * | 2021-09-01 | 2023-03-09 | 株式会社デンソー | 物体検知装置、物体検知方法、および物体検知プログラム |
JP7485228B2 (ja) | 2021-09-01 | 2024-05-16 | 株式会社デンソー | 物体検知装置、物体検知方法、および物体検知プログラム |
Also Published As
Publication number | Publication date |
---|---|
US9366758B2 (en) | 2016-06-14 |
JP5890087B2 (ja) | 2016-03-22 |
US20110273963A1 (en) | 2011-11-10 |
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