JP5039090B2 - 探査対象地表面からの高度が変動するアクティブ型側方監視センサの動作を最適化する方法 - Google Patents
探査対象地表面からの高度が変動するアクティブ型側方監視センサの動作を最適化する方法 Download PDFInfo
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- JP5039090B2 JP5039090B2 JP2009133712A JP2009133712A JP5039090B2 JP 5039090 B2 JP5039090 B2 JP 5039090B2 JP 2009133712 A JP2009133712 A JP 2009133712A JP 2009133712 A JP2009133712 A JP 2009133712A JP 5039090 B2 JP5039090 B2 JP 5039090B2
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- 238000012544 monitoring process Methods 0.000 title claims description 91
- 238000000034 method Methods 0.000 title claims description 27
- 238000005259 measurement Methods 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
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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
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
- B64G1/1021—Earth observation satellites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
- B64G1/105—Space science
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/24—Guiding or controlling apparatus, e.g. for attitude control
- B64G1/244—Spacecraft control systems
-
- 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
- G01S13/882—Radar or analogous systems specially adapted for specific applications for altimeters
-
- 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
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4026—Antenna boresight
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Astronomy & Astrophysics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
12 天体
14 スワスのスラント・レンジ距離(間隔)
141 スワスのスラント・レンジ距離(間隔)
142 スワスのスラント・レンジ距離(間隔)
16 アクティブ型側方監視センサの動作を最適化する装置
18 装置16の第1手段
20 装置16の第2手段
S10〜S12 方法ステップ
Claims (10)
- 探査対象地表面(12)からの高度が変動しているアクティブ型側方監視センサ(10)の動作を最適化する方法において、
前記探査対象地表面(12)からの前記側方監視センサの高度を連続的に測定するステップ(S10)と、
探査対象スワスを走査するために前記側方監視センサから放射されている走査ビームに対して、前記側方監視センサが軌道上を一周している間の前記探査対象スワスのスラント・レンジ距離の変動を減少させるように、測定により得られた前記側方監視センサの高度に応じて前記走査ビームをロール回転させる調節を施すステップ(S12)と、
を含むことを特徴とする方法。 - 前記走査ビームをロール回転させる前記調節は、前記側方監視センサを機械的に回転させることを含む、
ことを特徴とする請求項1記載の方法。 - 前記走査ビームをロール回転させる前記調節は、前記側方監視センサのアンテナの制御に対応して走査ビームを調節することにより、走査ビームを電子的にロール回転させることを含む、
ことを特徴とする請求項1又は2記載の方法。 - 前記走査ビームをロール回転させる前記調節は、前記探査対象地表面に応じて前記側方監視センサにより探査される方向を揺動させることを含む、
ことを特徴とする請求項1乃至3の何れか1項記載の方法。 - 前記走査ビームをロール回転させる前記調節は、前記側方監視センサと前記探査対象スワスとの間の距離が一定に維持されるように調節を行うものである、
ことを特徴とする請求項1乃至4の何れか1項記載の方法。 - 前記走査ビームをロール回転させる前記調節は、前記探査対象地表面にあって前記側方監視センサからビームが照射されるスワスの幅が一定に維持されるように調節を行うものである、
ことを特徴とする請求項1乃至5の何れか1項記載の方法。 - 前記走査ビームをロール回転させる前記調節は、前記側方監視センサが軌道上を一周している間の視線角度の変化が、アクセス領域内にあって前記側方監視センサからビームが照射される全てのスワスに共通した変化となるように調節を行うものである、
ことを特徴とする請求項1乃至6の何れか1項記載の方法。 - 前記側方監視センサのアクセス領域内の全域においてゼロ・ドップラー・イメージング・ジオメトリが保証されるように、ヨー角制御及びピッチ角制御によって、前記側方監視センサの軌道上の位置に応じて前記側方監視センサの方向制御を行うステップを更に含む、
ことを特徴とする請求項1乃至7の何れか1項記載の方法。 - 探査対象地表面(12)からの高度が変動しているアクティブ型側方監視センサ(10)の動作を最適化する装置(16)であって、請求項1乃至8の何れか1項記載の方法を実施するように構成されており、
前記探査対象地表面からの前記側方監視センサの高度を連続的に測定するための第1手段(18)と、
探査対象スワスを走査するために前記側方監視センサから放射されている走査ビームに対して、前記側方監視センサが軌道上を一周している間の前記探査対象スワスのスラント・レンジ距離の変動を減少させるように、測定により得られた前記側方監視センサの高度に応じて前記走査ビームをロール回転させる調節を施すための第2手段(20)と、
を備えることを特徴とする装置(16)。 - 請求項9記載の装置を備えたことを特徴とする側方監視センサ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102008026497.0 | 2008-06-03 | ||
DE102008026497A DE102008026497A1 (de) | 2008-06-03 | 2008-06-03 | Verfahren zum Optimieren des Betriebs eines aktiven Seitensichtsensors bei veränderlicher Höhe über der zu erfassenden Oberfläche |
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JP2009294210A JP2009294210A (ja) | 2009-12-17 |
JP5039090B2 true JP5039090B2 (ja) | 2012-10-03 |
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JP2009133712A Active JP5039090B2 (ja) | 2008-06-03 | 2009-06-03 | 探査対象地表面からの高度が変動するアクティブ型側方監視センサの動作を最適化する方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8570209B2 (ja) |
EP (1) | EP2131210B1 (ja) |
JP (1) | JP5039090B2 (ja) |
KR (1) | KR101638188B1 (ja) |
CN (1) | CN101625409B (ja) |
CA (1) | CA2666891C (ja) |
DE (1) | DE102008026497A1 (ja) |
ES (1) | ES2415170T3 (ja) |
IL (1) | IL199028A (ja) |
Families Citing this family (8)
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IT1394733B1 (it) * | 2009-07-08 | 2012-07-13 | Milano Politecnico | Procedimento per il filtraggio di interferogrammi generati da immagini sar acquisite sulla stessa area. |
JP5348782B2 (ja) | 2009-12-25 | 2013-11-20 | 矢崎総業株式会社 | スライドスイッチ |
EP2489593A1 (en) * | 2011-02-21 | 2012-08-22 | European Space Agency | Earth observation satellite, satellite system, and launching system for launching satellites |
CN102323582B (zh) * | 2011-05-30 | 2013-06-12 | 哈尔滨工业大学 | 基于合成孔径雷达的卫星自主定轨方法 |
ITMI20112428A1 (it) * | 2011-12-29 | 2013-06-30 | Selex Galileo Spa | Apparecchiatura radar ad apertura sintetica e metodo per la produzione di immagini radar ad apertura sintetica di oggetti in movimento |
US9065985B2 (en) * | 2013-03-15 | 2015-06-23 | Tolo, Inc. | Diagonal collection of oblique imagery |
US10670710B2 (en) * | 2016-12-06 | 2020-06-02 | Ursa Space Systems, Inc. | High efficiency synthetic aperture radar satellite |
US20210293950A1 (en) * | 2020-03-17 | 2021-09-23 | Metawave Corporation | Continuously steering phased array and headlight radars |
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US4280127A (en) * | 1979-07-25 | 1981-07-21 | Westinghouse Electric Corp. | Range swath coverage method for synthetic aperture radar |
JPS57125868A (en) * | 1981-01-30 | 1982-08-05 | Toshiba Corp | Side looking aperture radar |
JPS61193088A (ja) * | 1985-02-22 | 1986-08-27 | Nec Corp | 合成開口レ−ダ装置 |
JPS63122982A (ja) * | 1986-11-13 | 1988-05-26 | Nec Corp | 合成開口レ−ダ装置 |
JPS63249074A (ja) * | 1987-04-03 | 1988-10-17 | Mitsubishi Electric Corp | 合成開口レ−ダ装置 |
JPS63269082A (ja) * | 1987-04-27 | 1988-11-07 | Nec Corp | 合成開口レ−ダ装置 |
JPH01260387A (ja) * | 1988-04-11 | 1989-10-17 | Nec Corp | 合成開口レーダ装置 |
DE4233415C2 (de) * | 1992-10-05 | 1994-07-14 | Deutsche Aerospace | Radargerät mit synthetischer Apertur auf der Basis rotierender Antennen |
US5608404A (en) * | 1993-06-23 | 1997-03-04 | The United States Of America As Represented By The United States Department Of Energy | Imaging synthetic aperture radar |
DE60117065T2 (de) * | 2001-03-15 | 2006-08-17 | Eads Astrium Gmbh | Seitensichtradarsystem mit synthetischer Apertur |
EP1433002B1 (de) * | 2001-08-21 | 2007-04-18 | Siemens Aktiengesellschaft | Verfahren zum bestimmen der position eines zielobjektes und nach diesem verfahren betriebenes radarsystem |
JP3660989B2 (ja) * | 2002-04-11 | 2005-06-15 | 独立行政法人情報通信研究機構 | 合成開口レーダーのアンテナパターン補正方法 |
GB0305304D0 (en) * | 2003-03-07 | 2003-04-09 | Qinetiq Ltd | Scanning apparatus and method |
ATE516512T1 (de) * | 2003-05-21 | 2011-07-15 | Astrium Ltd | Verbesserungen in bezug auf eine abbildungsvorrichtung und verfahren |
US7176467B2 (en) * | 2004-12-02 | 2007-02-13 | General Electric Company | Systems, methods and apparatus for determining deviation of an x-ray field, a light field and a primary receptor |
DE102006022814A1 (de) * | 2006-05-13 | 2007-11-15 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Hochauflösendes Synthetik-Apertur-Seitenansicht-Radarsystem mittels Digital Beamforming |
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- 2008-06-03 DE DE102008026497A patent/DE102008026497A1/de not_active Ceased
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- 2009-05-27 CA CA2666891A patent/CA2666891C/en active Active
- 2009-05-28 KR KR1020090046892A patent/KR101638188B1/ko active IP Right Grant
- 2009-05-28 EP EP09007125A patent/EP2131210B1/de active Active
- 2009-05-28 ES ES09007125T patent/ES2415170T3/es active Active
- 2009-05-31 IL IL199028A patent/IL199028A/en active IP Right Grant
- 2009-06-02 US US12/476,904 patent/US8570209B2/en active Active
- 2009-06-03 JP JP2009133712A patent/JP5039090B2/ja active Active
- 2009-06-03 CN CN200910146633.2A patent/CN101625409B/zh active Active
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Publication number | Publication date |
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JP2009294210A (ja) | 2009-12-17 |
CN101625409B (zh) | 2014-03-12 |
CA2666891C (en) | 2017-01-03 |
CA2666891A1 (en) | 2009-12-03 |
US8570209B2 (en) | 2013-10-29 |
DE102008026497A1 (de) | 2010-01-07 |
ES2415170T3 (es) | 2013-07-24 |
EP2131210B1 (de) | 2013-04-03 |
KR20090126187A (ko) | 2009-12-08 |
CN101625409A (zh) | 2010-01-13 |
EP2131210A1 (de) | 2009-12-09 |
IL199028A (en) | 2014-11-30 |
US20090295625A1 (en) | 2009-12-03 |
KR101638188B1 (ko) | 2016-07-08 |
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