Спутник ДЗЗ. Theos. [Редактировать]

КА THEOS (Thailand Earth Observation System) — первый таиландский спутник дистанционного зондирования Земли, предназначен для космической съемки земной поверхности в интересах государственных структур Таиланда.

Дополнительные наименования

#НаименованияПоиск в новостяхПоиск в документах
1Thailand Earth Observation System (THEOS)НайтиНайти
233396НайтиНайти
3THEOSНайтиНайти

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - Тайланд
2Тип оператора(владельца) - государственный
3Тип орбиты - НОО
4Страна производитель - Франция
5Все спутники ДЗЗ

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг750
2Масса КА, кг720
3Скорость передачи данных на наземный сегмент, мБит в секунду120
4Разрешение оптической спецаппаратуры (панхроматический), метра2
5Разрешение оптической спецаппаратуры (мультиспектральный), метра10
6Полоса захвата (панхроматический), км.22
7Полоса захвата (мультиспектральный), км90

Характеристики орбиты

#ХарактеристикаЗначение
1Высота орбиты, км820
2Наклонение, град98.7
3Апогей, км833.3
4Перигей, км831.5
5Период, минут101.4
6Длинный диаметр эллипса, км7203

Пусковые характеристики

#ХарактеристикаЗначение
1Год запуска, год2008
2Код NSSDC2008-049A

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Страна Тайланд
2Стоимость (проекта), млн. долл.179

Информация об удачном запуске

#ХарактеристикаЗначение
1Дата пуска2008-10-01 at 06:37:00 UTC
2Полезная нагрузка 1xTheos
3Ракета-носитель 1xДнепр

Найдено 628 документов по запросу «Theos». [Перейти к поиску]


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0.11/5
... age. This valuable contribution by Theos to the debate on Multiculturalism... Research Centre, Islamic Foundation Theos Friends’ Programme Theos is a public theology think... and belief in society. what Theos is Theos is a public theology think... Murphy-O'Connor. We provide • • • what Theos stands for Society is embarking... questions of values and identity. Theos speaks into this new context... a sacred-secular divide. what Theos works on Theos undertakes research across a wide... the issues that matter. what Theos provides Theos provides: • a research and publishing... your help! Theos Friends receive complimentary copies of all Theos publications, invitations... send it with a cheque to Theos for £60. Thank you. Yes... for £60 made payable to Theos. Please send me details of... to our independently driven work, Theos provides research, analysis and advice....uk Email Tel Data Protection Theos will use your personal data... communications by telephone and email. Theos will not pass on your.... Please return this form to: Theos | 77 Great Peter Street | London... Jonathan Chaplin Published by Theos in 2011 © Theos Some rights reserved – see... and subscription details please contact: Theos Licence Department 77 Great Peter... (Virtual Plater Project). Nick Spencer (Theos) read multiple drafts with much...? Religious Freedom in a Liberal Society (Theos, 2010). 11. For one (controversial... Legitimacy of Religious Public Reasoning (Theos, 2009). 17. Department for Communities... Cooling, Doing God in Education (Theos, 2010). 29. “The faith school... the publisher of this work, Theos has an open access policy... the Licence: • Theos and the author(s) are credited; • Theos’ website address (www... address below for our archive. Theos Licence Department 77 Great Peter... 97 C O M M O N S D E E D Attribution-NonCommercial-NoDerivs 2.5 Previous Theos reports: You are free: • to...



Дата загрузки: 2016-11-01
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0.1/5
... description ....................................................................................................... 3 2.1. THEOS satellite and image data .........................................................................................................3 2.2. Processing Level Definitions of THEOS image data product ..............................................................4 2.1. Study area and THEOS data for... 3.2. THEOS Sensor Support ....................................................................................................................16 3.3. Tested variants ..................................................................................................................................17 4. Results .................................................................................................................... 20 4.1. 2A THEOS PAN... .........................................................20 4.2. 2A THEOS Products quality analysis - relative accuracy ..................................................................20 4.3. THEOS PAN orthoimage (by Spacemetric) quality analysis – relative accuracy ..............................21 4.4. THEOS MS orthoimage (by Spacemetric) quality analysis – relative accuracy ................................21 4.5. THEOS PAN orthoimage (by Spacemetric) quality analysis – absolute accuracy ............................21 4.6. THEOS PAN... by Spacemetric – relative accuracy ...................21 4.7. THEOS MS orthoimage produced and validated... 5.1. 2A THEOS Products Absolute and Relative Accuracy ......................................................................22 5.2. 2A THEOS Products Absolute and Relative Accuracy after systematic error elimination ................23 5.3. THEOS... Spacemetric Relative Accuracy Comparison of THEOS Orthoimages Generated from 1A by... the panchromatic, pansharpening and multispectral THEOS images acquired over the JRC... Sensing (CwRS) Programme. 2. 2.1. Data description THEOS satellite and image data The THailand Earth Observation Satellite (THEOS) is the first operational earth... THEOS products (source: THEOS User Guide). Apart from PAN and MS images THEOS... by a dedicated algorithm adapted for THEOS (source: http://www.gisdevelopment.net... cycle 26 days Table 1A: THEOS parameters (THEOS User Guide, 2009) 3 Instruments... 1B: THEOS parameters (THEOS User Guide, 2009) 2.2. Processing Level Definitions of THEOS image data product THEOS... information about the image localization (THEOS User Guide, 2009). Physical Characteristic....JPG; STYLE.XSL Table 2: THEOS image information (THEOS User Guide, 2009) Level... model without ground control points. (THEOS User Guide, 2009). Physical Characteristic... Table 3: THEOS image information (THEOS User Guide, 2009) 5 2.1. Study area and THEOS data... consists of three co-registered THEOS image products: panchromatic, pan-sharpened... WGS84. 15 3. 3.1. Methodology Methodology overview THEOS products are characterised by two... relationship between the THEOS satellite incidence angle and the THEOS image products..., the THEOS image provider, supplied Spacemetric with panchromatic and multispectral THEOS imagery... the JRC mediation). Spacemetric performed THEOS sensor modelling and orthorectification using... chapter 5.5). 3.2. THEOS Sensor Support At the time of the THEOS image geometry... relative accuracy of the provided THEOS panchromatic, multispectral and pan-sharpened... accuracy estimation of THEOS MS images 19 4. Results 4.1. 2A THEOS PAN and...: 2A THEOS absolute accuracy after systematic error elimination 4.2. 2A THEOS Products quality...: 2A THEOS relative accuracy after systematic error elimination 20 4.3. THEOS PAN orthoimage... 1A by Spacemetric – relative accuracy 4.4. THEOS MS orthoimage (by Spacemetric) quality... accuracy after systematic error elimination 4.5. THEOS PAN orthoimage (by Spacemetric) quality... 1A by Spacemetric – absolute accuracy 4.6. THEOS PAN orthoimage produced and validated... 1A by Spacemetric – relative accuracy 4.7. THEOS MS orthoimage produced and validated... –relative accuracy 21 5. 5.1. Discussion 2A THEOS Products Absolute and Relative Accuracy... elimination, relative accuracy (MS) 5.2. 2A THEOS Products Absolute and Relative Accuracy..., absolute accuracy (PAN, PS) 25 5.3. THEOS Orthoimage generated from level 1A... absolute and relative accuracy for THEos MS orthoimagery after systematic error... error elimination, relative accuracy on THEOS orthoimages produced by Spacemetric (MS... Spacemetric Relative Accuracy Comparison of THEOS Orthoimages Generated from 1A by... measured on the THEOS 2A PAN product or THEOS 1A PAN orthorectified... measured on the THEOS 2A MS product or THEOS 1A MS orthorectified... Easting direction respectively. 29 7. References  THEOS User Guide (version 2, 21.09... Security of the Citizen Title: THEOS Geometric Image Quality Testing – Initial...



Дата загрузки: 2016-12-24
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0.19/5
.... At this point in time, THEOS supports thousands of mature  applications... by an application running under THEOS.     Many THEOS end­user organizations have...  performed in under five seconds.     THEOS has a genuine commitment to full... operating system features and functions, THEOS does not  support a very large... application  under both Windows and THEOS have dropped support for Windows... a small number of developers at  THEOS  allow  the  operating  system  to...  simple.    This  in  turn  makes  THEOS  easier  to  maintain, significantly more....  Page 3 2. Ease Of Development Because THEOS is highly­structured, internally­consistent... with THEOS than it does with other operating sys­ tems. THEOS supports... productively write code for THEOS.     Just because THEOS has been around for... Internet communications protocols. For example, THEOS supports standards  such as DHCP... other operating systems  like Windows.    THEOS supports graphical user interfaces as... a THEOS­based server. THEOS can also serve as a secure client,  connecting to a THEOS server. THEOS...'s personal computer systems can run THEOS. Any machine which uses  standard... can be a client communicating with a THEOS server. Applications can be web... as small portable machines.     The THEOS operating system uses an active... or derivative versions of THEOS. All code for THEOS has been developed... only been one  organization developing THEOS, there are no legal questions... LINUX.   THEOS SOFTWARE CORPORATION Page 4 3. Worm And Virus Proof THEOS was designed... unique executable format  found in THEOS, if it was externally introduced... code will not run  under THEOSTHEOS has a unique internal memory addressing...  under THEOS. So even if an authorized user of a THEOS system were to place a Windows virus on a THEOS  machine, perhaps using a THEOS... have no effect on the THEOS machine.    THEOS client machines are by... would open THEOS up to ex­ ternal compromise. The THEOS configuration that... to surreptitiously develop and test THEOS attack methods.     The ability to...­ and worm­like behavior allows THEOS to block certain transmissions which...  infect other machines, thus preventing a THEOS box from becoming a conduit of... not be victimized thereby. Because THEOS is internally different from Windows... be avoided altogether.   4. Hacker Resistant THEOS is aware of no incidence...).     All privileges are denied under THEOS unless expressly permitted, a security philosophy... user authentication system is needed, a THEOS­based fingerprint biomet­ ric access... unauthorized executables, parts of the THEOS operating system, such as the... configure and/or install soft­ THEOS SOFTWARE CORPORATION Page 6   A robust access.... The unusual internal structure of THEOS executable code further makes it... in unauthorized or abusive behavior, a THEOS  routine which allows management to... remote users.   5. Crash Resistant Because THEOS has been a commercial product for.... Some customers  are still running THEOS systems on 286 machines, systems... traceable to hardware failures.    Because THEOS is so stable, upgrades and... is entirely  unnecessary when using THEOS. With other operating systems, particularly... eliminated  when you go with THEOS.    THEOS has many built­in stability... the operating system.   Page 7   Other THEOS features help to preserve a stable... machine clock times across several THEOS boxes with an authoritative external... one caused by a power outage), THEOS automatically runs  internal utilities which... named email servers, further protects a  THEOS system against spam and other... and Database The very reliable THEOS ISAM (Indexed Sequential Access Method... Base files supported natively by THEOS:  Index, Direct and Keyed.    These... of the THEOS file structure for all applications running on THEOS today.    In addition to THEOS ISAM, we now have TDB, the THEOS... years of  hands on experience, THEOS contends that a mission critical application... data  7. Fast and Easy Networking THEOS Networking capabilities are embedded into... protocols and services supported by THEOS:     FTP, File Transfer Protocol, allows file exchanging between systems. THEOS implements both cli­ ent and... firmware to devices. THEOS implements  both client and server.  THEOS SOFTWARE CORPORATION... fully functional Web based applications.  THEOS  implements the server side.  For... to the  THEOS server and login as a user. THEOS implements both client..., allows to share Network printers.  THEOS Implements both servers and clients... allows THEOS to share hard drives, folders or  files between THEOS, Linux... platforms.  This server enables the THEOS  WorkStation (a terminal emulator package for....  This is the preferred THEOS  terminal solution.   TDB, THEOS Data Base Server... to the SMB by a THEOS native dialect, allows THEOS  Servers to share... rest of the operating system.  THEOS Network environment  includes a set of..., net ipcfg, telnet, sendmail etc.    THEOS SOFTWARE CORPORATION 1801 Oakland Blvd...



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0.11/5
... Article Inter-Sensor Comparison between THEOS and Landsat 5 TM Data in.... The Thailand Earth Observation System (THEOS) satellite is one of the... Landsat 5 Thematic Mapper (TM) and THEOS. The surface reflectance and the... biofuel crops. Keywords: biofuel crops; THEOS; Landsat 5 TM; radiometric calibration; 6S... lower resolution systems [5–10]. The THEOS satellite can acquire both high... surface reflectance and NDVI between THEOS and Landsat 5 TM, especially for... 5 TM and THEOS; (c) to develop NDVI regression models between THEOS and Landsat... and Methods 3.1. Satellite Images One THEOS and one Landsat 5 TM image... images from THEOS and Landsat 5 TM for the study area: (a) THEOS for cassava. (b) Landsat 5 TM for cassava. (c) THEOS for sugarcane. (d) Landsat 5 TM for sugarcane. (a) (b) (c) (d) Table 1. Acquisition of THEOS and... 0.004. Then, the geometrically corrected THEOS image was used as a reference... following equation. DN i L λTHEOS = (1) Gi where Li λTHEOS is the spectral radiance... 3. Remote Sens. 2012, 4 360 Table 3. THEOS spectral ranges, gain numbers, and...: Wm−2·sr−1·μm−1 Cassava Gain Number * THEOS image header files; ** Thuillier solar... solar irradiances ( ESUN i λ ) for the THEOS and Landsat 5 TM sensors using... applied to THEOS by defining the spectral responses of the THEOS sensors... Figure 3. Spectral responses of the THEOS and Landsat 5 TM multi-spectral... (Equation (5)) for Landsat 5 TM, and THEOS sensors: NIR − R NDVI = (5) NIR + R where... red band. The relationship between THEOS (high-resolution) measurements of vegetation... the biofuel crops, a comparison of THEOS and Landsat 5 TM, Inter-sensor... Landsat 5 TM (~20%). As a consequence, THEOS can discriminate between cassava and... and THEOS Sixty surface reflectance samples were used to compare THEOS and... crop fields. Relationships between the THEOS and Landsat 5 TM surface reflectances... visible/nearinfrared and NDVI of THEOS correspond to higher visible/near... THEOS and Landsat 5 TM in cassava and sugarcane. Figure 5. Relationships between THEOS... there is a strong relationship between THEOS and Landsat 5 TM surface reflectances...-sensor studies on vegetation [6,8]. Therefore, THEOS has a radiometric capability that corresponds... Table 6. Statistics linear regressions between THEOS and Landsat 5 TM surface reflectances... m). Table 7. Statistics linear regressions between THEOS and Landsat 5 TM at 15... m resolution were re-sampled to THEOS 15 m resolution for cassava. Thus... is based on Equation (7): NDVI THEOS = 0.2338 + 0.7691 ∗ NDVI Landsat 5TM... THEOS and Landsat 5 TM subscripts denote sensor derived values for the THEOS... intercept (a) and slope (b) coefficients for THEOS and Landsat 5 TM satellite sensors... Sugarcane THEOS 30 m Landsat 5 TM 15 m THEOS 30 m Landsat 5 TM 15 m THEOS 15... The spatial resolution capabilities of THEOS (15 m) and Landsat 5 TM (30... 6). The LULC classification accuracy of THEOS at Nakhon Ratchasima Province (Cassava...). The LULC classification accuracy of THEOS at Suphanburi Province (sugarcane site... (LULC) classification accuracy assessment for THEOS images of Nakhon Ratchasima Province... LULC classification accuracy assessment for THEOS images of Suphanburi Province (sugarcane... (cassava site). (a) THEOS. (b) Landsat 5 TM and Suphanburi Province (sugarcane site). (c) THEOS. (d) Landsat... comparison of Landsat 5 TM and THEOS for surface reflectance, NDVI including... between the two crops where THEOS could offer slightly better discrimination... strong relationships were obtained between THEOS and Landsat 5 TM surface reflectance... image acquisition day. (d) Performance of THEOS and Landsat 5 TM in classifying... cover classes was quite similar. THEOS performed slightly better, but not... (Public Organization) in acquiring the THEOS and Landsat 5 TM satellite imagery.... GISTDA. Thailand Earth Observation System (THEOS); Geo-Informatics and Space Technology... applied to THEOS by defining the spectral responses of the THEOS sensors...,1h*)', s ' theos 1 ',' theos 2 ', s ' theos 3 ',' theos 4 ', c**********************************************************************c c iwave input of the spectral conditions c c -------------------------------- c c 61 THEOS band 1 (0.450-0.520) c!RS140507 c 62 THEOS band 2 (0.530-0.600) c!RS140507 c 63 THEOS band 3 (0.620-0.690) c!RS140507 c 64 THEOS... c c**********************************************************************c do 38 l=iinf,isup c 132 THEOS band (61,64)!RS140507 18... continue 6S New Subroutines: subroutine theos (iwa) real s,wlinf,wlsup common... iwa,l,i c 1st spectral band of THEOS (multi-spectral) data (sr(1,l),l=1,1501..., a 1376*0./ c c 2nd spectral band of THEOS (multi-spectral) data (sr(2,l),l=1,1501..., a 1340*0./ c c 3rd spectral band of THEOS (multi-spectral) data (sr(3,l),l=1,1501..., a 1300*0./ c c 4th spectral band of THEOS (multi-spectral) data (sr(4,l),l=1,1501...) −1000 //sensor aboard a satellite 61 //theos Band 1 1 //non homogeneous surface 1 1 0.5 //vegetation...



Дата загрузки: 2016-11-01
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0.17/5
THEOS & SONS, INC. v. MACK TRUCKS, INC. ... repair work. The plaintiff, Theos & Sons, Inc. (Theos), brought an action for... final judgment as to Mack …. Theos appealed to the Appellate Division... Court on our own motion. Theos argues …. that Mack breached an... warranty is not effective against Theos, a subsequent purchaser unaware of the... without notice, such as Theos. Because Theos presented no genuine issue of... INCIDENTAL DAMAGES. Theos-1 Theos bought the truck from Larkin. Theos was neither apprised... such disclaimers. In December, 1993, a Theos driver heard noises coming from... Vigor repaired the truck, the Theos driver drove it for a short... warranty claim We consider first Theos’s contention that Mack is liable... the implied warranty of merchantability, Theos argues that the contract between... not bind it, a subsequent purchaser. Theos argues further that, because the....7 The Appellate Division 5 According to Theos, Vigor improperly assessed the problem... repairs; while performing repairs on Theos’s truck Vigor did not follow... law); Logan Equip. Corp. v. Simon Theos-2 also correctly determined that the... of merchantability is enforceable against Theos, a subsequent purchaser. Section 2-318 extends... reasoning of those courts that Theos could not possess greater warranty... on the implied warranties. As Theos is subject to the disclaimer... be affected by the goods.... Theos-3



Дата загрузки: 2016-12-21
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0.09/5
... 16-17 March 2016 The TheoS-JRA Leader: D. Lacroix Deputy: A. Moro... INFN-LNS Theos-JRA Historical overview Some history of the TheoS JRA (From the 2013 Meeting) TheoS is the... of reactions channels including continuum Theos-JRA Philosophy and goals Main Goal The main objective of TheoS is to provide a strong and... groups Global organization of the TheoS JRA Leader: D. Lacroix Deputy: A. Moro... the TheoS JRA TheoS Network and partners (complete list in the TheoS project) Among the task of TheoS: -participate to... connection with the ECT*-TA Theos-JRA Task 2: Calculate reaction observables... beyond-mean-field (BMF) approaches. Theos-JRA Important step of the... From quarks to hadrons/mesons TheoS JRA Task 1.1 Use this progress... principle D11.1: new effective interaction Theos-JRA Important steps of the... Emission threhold In-medium interaction Theos-JRA Task 1.2 Ground state and... Y. Niu et al., PRC (2014). Theos-JRA Important steps of the... ab-initio (EFT) Effective interaction TheoS JRA Task 1.3 Microscopic description of... in Ni+AU @ 45 MeV/A Theos-JRA Important steps of the... Mean-Field Theory Nuclear structure Theos-JRA Task 2.1 Development/improvements of... Fukui, Ogata, Capel, PRC (2014) Theos-JRA Important steps of the... Mean-Field Theory Nuclear structure Theos-JRA Task 2.2 Development of proper...: particles correlations, 2N transfer, etc Theos-JRA Time-scale and deliverables... code break-up, knock-out Theos-JRA Summary-Synergies within ENSAR2 The main objective of TheoS is to provide a strong and...



Дата загрузки: 2017-01-30
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0.06/5
... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition...



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0.07/5
... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... VEGA launcher • Skynet-5 IOT Bench • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR  Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition... • SPAINSAT/XTAR Ground Control Segment • THEOS TT&C Station • SMOS X-Band Acquisition...



Дата загрузки: 2017-06-14
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0.15/5
.... Ben Ryan is a Researcher at Theos “By studying the relationship between... of Westminster Theos – clear thinking on religion and society Theos is the... influential atheist philosopher, has said “Theos provides rare proof that theology... a flourishing society. What we do Theos conducts research, publishes reports, and... and policy makers. To date, Theos has produced over 50 research... welfare (The Future of Welfare: A Theos Collection), law (“Speaking Up” – Defending... to our independently-driven work, Theos provides research, analysis and advice... non-religious individuals and organisations. Theos was launched with the support... discussion by becoming a Friend of Theos Impact how society views Christianity...… • Free access to our events. Theos hosts a number of high calibre... to us directly: Friends Programme, Theos, 77 Great Peter Street, London... and Opportunity Published by Theos in 2016 © Theos ISBN 978-0-9931969-3-5 Some... and subscription details please contact: Theos Licence Department 77 Great Peter... charities 58 conclusion 69 5 acknowledgements Theos would like to thank the... documents. 6 foreword This report by Theos on Catholic Social Thought and.... I express my warmest thanks to Theos, for their theoretical research on... Social Teaching can Redeem Capitalism (Theos, 2014). 2 Inclusive capitalism address 2014... more thoroughly in Paul Bickley’s Theos report The Problem of Proselytism... Bickley The Problem of Proselytism (Theos, 2016). 6 John Paul II Sollicitudo... flourish (Church Urban Fund and Theos 2014) for a summary of these... Bickley, The Problem of Proselytism, (Theos, 2015). 25 John Paul II...’s Octagosima adveniens (1971). 71 Previous Theos reports include: “Doing God” Post... international development Cafod, Tearfund and Theos 978-0-9562182-2-3 Doing God in.... Ben Ryan is a Researcher at Theos “By studying the relationship between...



Дата загрузки: 2017-06-16
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... Satellite, Fusion, Image, Push ­broom, THEOS, High Resolution, Optical sensor  ABSTRACT:  Thailand Earth Observation System (THEOS) Development Program was begun in..., launch, and commissioning phases of THEOS satellite, as well as integration... to present the characteristics of THEOS  program which consists of the... Ground Segment) and their products.  THEOS satellite is a compact and agile... lifetime of at least 5 years.  THEOS  CGS  (Control  Ground  Segment)  will... and processing of the data. THEOS system routine operational activities are... transmitted to THEOS IGS (Image Ground Segment). The role of THEOS IGS is to  provide value added products from THEOS images...  development.  Thailand  Earth  Observation  System  (THEOS)  Development  Program  was  then  begun...),  in  France,  as  a  prime  contractor.  THEOS  system,  which  is  fully  owned... by GISTDA.  2.  ARCHITECTURE OF THEOS SYSTEM  THEOS system is a stand­alone earth observation system. The  architecture of THEOS system has been developed in... as image quality and applications.  THEOS  system  comprises  of  the  following...  constituents,  as shown in Figure 1.  §  THEOS Satellite (Space Segment)  §  Ground Facilities... Performance of THEOS Satellite  Figure 1. Architecture of THEOS system  3.  PERFORMANCE OF THEOS SATELLITE  The  payloads  of  THEOS  Satellite...  shown  in  Table  1  and  Figure  2.  THEOS  satellite  has  a  tilting  capability  of... Spatial Performance of THEOS  Satellite  The orbit of THEOS satellite will have...  orbit  and  its  tilting  capability,  THEOS  satellite  will  have  worldwide  imagery... with 30° tilting angle  Table 2. THEOS Satellite orbit parameters  Magnetometer,  sun...  and  thrusters.  The specifications of THEOS satellite are summarised in Table... cameras  6.6 km/s  Table 3. Specifications of THEOS Satellite  1 st day 2 consecutive days... 50° tilting angle)  4.  ARCHITECTURE OF THEOS SATELLITE  THEOS  satellite  consists  of  two.... All the technologies used in  THEOS  Satellite  are  space  qualified  and...  the  success  of  the  THEOS  mission.  THEOS platform consists of the following...  test.  The 2 cameras of the THEOS Optical Payload  image the earth... (SiC) which ensures a very  Figure 5. THEOS Satellite Flight Configuration good thermo...  ground  contact.  Figure 6.  THEOS Ground Segment Architecture  THEOS ground segment will be...  quick  access  to  THEOS images.  6. THEOS GROUND SEGMENT  THEOS ground segment consists of....  Figure  6  shows  overall  THEOS Ground segment architecture.  Figure 7.  THEOS  Visibility radius covers... part of Asia 6.1  Image Acquisition  THEOS  image  acquisition  is  performed  on....  6.1.1  Pr oduct  Or der ing  :  THEOS  Product  Ordering  System  is  divided...  requires  scheduling  and  tasking  of  THEOS  satellite  which  is  done via... Centre and elaboration with  Figure 8.  THEOS Ground Segment Operation Cycle  IGS...  process  the  product.  The  whole  THEOS  Ground  Segment  Operation  cycle  can...  in  Figure 8.  6.1.2 THEOS  Pr ogr amming  and  Satellite  Tasking  :  THEOS  programming  is...  TC  preparation  and  uploaded  to  THEOS  Satellite via S­ Band station. The...  TC  transmission is acknowledged by THEOS satellite, telemetry is  sent down... ocessing and Image Pr oducts  THEOS  image  data  can  be  processed...  and  value  added  products, respectively.  6.2.1 THEOS Standar d Pr oducts :  Level  1A...  algorithm  adapted for THEOS.  Figure 9.  THEOS Pan Sharpened image  6.2.2  THEOS Value Added Pr...  from  semi  automatic  correlation  of  THEOS  stereopairs  containing  uniform  grid  of...  capable  of  handling  960  minutes  THEOS  access  time  per  month.  With... less than 6 hours.  6.4.1  Imaging  Mode  :  THEOS  satellite  is  able  to  provide...).  Due  to  its  high  agility,  THEOS  satellite  can  image  various  targets...° from nadir.  6.4.2  Repeat  Viewing Capabilities: THEOS oblique viewing  capability  enables  it...  perception  and  digital  elevation  modeling.  THEOS  can  provide 2 different modes of... at less than 5 minutes delay.  THEOS is a high agility satellite therefore...  storage  and  data  downlink  capabilities,  THEOS  can  acquire  images  coverage  up...  (THEOS)  Development  Program is designed to fulfil all these  needs. THEOS system comprises of THEOS satellite as well as... and data exploitation ground facilities.  THEOS  satellite  with  its  two  pushbroom... revisit capability and high reactivity.  THEOS  system  includes  an  operational  ground  segment  with  direct access to THEOS data and high quality image... direct and quick access to THEOS.  Image  acquisition  and  data  processing....  Figure 10.  THEOS Operations Capabilities  In  addition,  the  launch  of  THEOS  satellite...), Wiley  GISTDA and EADS Astrium, THEOS User Handbook  Larson, W. J., Wertz, J. R., 1999...  Observation  System  (THEOS) Development Program  Technical  proposal  document  for  THEOS  System  under...