JP5693857B2 - 気象レーダ装置及び気象観測方法 - Google Patents
気象レーダ装置及び気象観測方法 Download PDFInfo
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- JP5693857B2 JP5693857B2 JP2010017555A JP2010017555A JP5693857B2 JP 5693857 B2 JP5693857 B2 JP 5693857B2 JP 2010017555 A JP2010017555 A JP 2010017555A JP 2010017555 A JP2010017555 A JP 2010017555A JP 5693857 B2 JP5693857 B2 JP 5693857B2
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/95—Radar or analogous systems specially adapted for specific applications for meteorological use
- G01S13/951—Radar or analogous systems specially adapted for specific applications for meteorological use ground based
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/426—Scanning radar, e.g. 3D radar
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
- H01Q3/10—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation to produce a conical or spiral scan
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
図1は、本発明の一実施形態に係る気象レーダの構成例を示したものである。
図1において、この気象レーダは、空中線装置1と、信号処理装置2と、データ処理装置3と、監視制御装置4とを備える。
ステップS21において、気象レーダは、晴天時あるいは気象目標を探知する前の段階において、図3に示すような広範囲観測モードとして動作する。すなわち、監視制御装置4は、駆動ユニット12により観測範囲の最大探知距離の方向にアンテナ開口面を正対させた状態で、アンテナユニット11に360°全方位を0〜90°仰角でビーム走査させる。
Claims (6)
- 複数のアンテナ素子から電波を送信し、位相制御により仰角方向にビーム走査を行って気象目標からの反射波を受信するアンテナユニットと、
前記アンテナユニットの開口面の仰角を駆動する駆動ユニットと、
前記駆動ユニットにより前記開口面を観測範囲の最大距離方向に正対させた状態で前記アンテナユニットに前記ビーム走査を行わせ、前記反射波の受信信号をもとに前記気象目標を探知した時点で、前記駆動ユニットに前記開口面を前記気象目標に向けて正対させる制御ユニットとを具備することを特徴とする気象レーダ装置。 - 前記制御ユニットは、前記受信信号の最大受信電力強度に基づいて前記開口面の仰角を駆動することを特徴とする請求項1記載の気象レーダ装置。
- 前記制御ユニットは、前記気象目標を探知した時点で、前記受信信号から複数の方位毎に受信電力強度の最大値を計算し、前記最大値に基づいて複数の方位毎に前記開口面の仰角を駆動することを特徴とする請求項1記載の気象レーダ装置。
- 複数のアンテナ素子から電波を送信し、位相制御により仰角方向にビーム走査を行って気象目標からの反射波を受信するアンテナユニットと、前記アンテナユニットの開口面の仰角を駆動する駆動ユニットとを具備する気象レーダ装置に用いられる気象観測方法であって、
前記駆動ユニットにより前記開口面を観測範囲の最大距離方向に正対させた状態で前記アンテナユニットに前記ビーム走査を行わせ、前記反射波の受信信号をもとに前記気象目標を探知した時点で、前記駆動ユニットに前記開口面を前記気象目標に向けて正対させることを特徴とする気象観測方法。 - 前記受信信号の最大受信電力強度に基づいて前記開口面の仰角を駆動することを特徴とする請求項4記載の気象観測方法。
- 前記気象目標を探知した時点で、前記受信信号から複数の方位毎に受信電力強度の最大値を計算し、前記最大値に基づいて複数の方位毎に前記開口面の仰角を駆動することを特徴とする請求項4記載の気象観測方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010017555A JP5693857B2 (ja) | 2009-06-26 | 2010-01-29 | 気象レーダ装置及び気象観測方法 |
US12/700,209 US8259001B2 (en) | 2009-06-26 | 2010-02-04 | Weather radar and weather observation method |
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JP2009152643 | 2009-06-26 | ||
JP2009152643 | 2009-06-26 | ||
JP2010017555A JP5693857B2 (ja) | 2009-06-26 | 2010-01-29 | 気象レーダ装置及び気象観測方法 |
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JP2011027711A JP2011027711A (ja) | 2011-02-10 |
JP5693857B2 true JP5693857B2 (ja) | 2015-04-01 |
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JP2010017555A Active JP5693857B2 (ja) | 2009-06-26 | 2010-01-29 | 気象レーダ装置及び気象観測方法 |
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US (1) | US8259001B2 (ja) |
JP (1) | JP5693857B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8988274B2 (en) * | 2009-11-16 | 2015-03-24 | The Board Of Regents Of The University Of Oklahoma | Cylindrical polarimetric phased array radar |
JP5586292B2 (ja) * | 2010-03-25 | 2014-09-10 | 株式会社東芝 | 気象レーダ装置及び気象観測方法 |
JP2014048273A (ja) * | 2012-09-04 | 2014-03-17 | Toshiba Corp | 気象レーダ装置、フェーズドアレイレーダ装置、観測シーケンス作成方法 |
CN102890272B (zh) * | 2012-11-05 | 2013-12-04 | 中国航天科工集团第二研究院二十三所 | 一种毫米波云雷达信号处理方法 |
JP2015055577A (ja) * | 2013-09-12 | 2015-03-23 | 株式会社東芝 | 気象レーダ装置および気象観測方法 |
WO2017199414A1 (ja) * | 2016-05-20 | 2017-11-23 | 三菱電機株式会社 | 気象レーダ装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US362170A (en) * | 1887-05-03 | Geoege lucas mason | ||
US362175A (en) * | 1887-05-03 | Francis i | ||
US354558A (en) * | 1886-12-21 | Elevated railway | ||
US361758A (en) * | 1887-04-26 | g-illespie | ||
US5510796A (en) * | 1984-12-31 | 1996-04-23 | Martin Marietta Corporation | Apparatus for wind shear compensation in an MTI radar system |
JPH1114749A (ja) * | 1997-06-26 | 1999-01-22 | Mitsubishi Electric Corp | レーダー装置 |
JP3458066B2 (ja) * | 1999-03-08 | 2003-10-20 | 三菱電機株式会社 | レーダ装置および制御方法 |
JP3730486B2 (ja) * | 2000-07-14 | 2006-01-05 | 株式会社東芝 | 気象レーダ |
US6407535B1 (en) * | 2000-09-08 | 2002-06-18 | The Regents Of The University Of California | System for beaming power from earth to a high altitude platform |
US6512476B1 (en) * | 2001-06-21 | 2003-01-28 | Rockwell Collins, Inc. | Adaptive radar scanning system |
US6686872B2 (en) * | 2001-08-10 | 2004-02-03 | Honeywell International Inc. | System and method for in-place, automated detection of radome condition |
JP2004212285A (ja) * | 2003-01-07 | 2004-07-29 | Mitsubishi Electric Corp | レーダ装置、レーダシステム及びレーダ走査制御方法 |
JP4199144B2 (ja) * | 2004-03-11 | 2008-12-17 | 株式会社東芝 | ウェイト関数生成装置、参照信号生成装置、送信信号生成装置、信号処理装置及びアンテナ装置 |
FR2882855B1 (fr) * | 2005-03-01 | 2007-05-18 | Thales Sa | Module actif integre a une antenne a balayage electronique et radar comportant une telle antenne, notamment applique a la meteorologie |
US7205928B1 (en) * | 2006-05-31 | 2007-04-17 | Honeywell International Inc. | Automatic weather radar system and method |
JP2008258772A (ja) * | 2007-04-02 | 2008-10-23 | Toshiba Corp | アンテナ装置 |
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- 2010-01-29 JP JP2010017555A patent/JP5693857B2/ja active Active
- 2010-02-04 US US12/700,209 patent/US8259001B2/en not_active Expired - Fee Related
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Publication number | Publication date |
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JP2011027711A (ja) | 2011-02-10 |
US20100328144A1 (en) | 2010-12-30 |
US8259001B2 (en) | 2012-09-04 |
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