Спутник ДЗЗ. Radarsat 1. [Редактировать]

Radarsat 1 - это канадский космический аппарат ДЗЗ (радиолокатор С диапазона), который был запущен в 1995 году на 832 км. солнечно-синхронную орбиту. Аппарат вышел из строя 29 марта 2013 года.

Дополнительная классификация

#Наименования
1Страна оператор(владелец) - Канада
2Страна производитель - Канада
3Тип оператора(владельца) - государственный
4Тип орбиты - НОО
5Радиолокационные спутники ДЗЗ
6Все спутники ДЗЗ

Технические характеристики

#ХарактеристикаЗначение
1Масса, кг2750
2Платформа, BCP-40001

Экономические характеристики

#ХарактеристикаДата измеренияЗначение
1Стоимость (аппарат), млн. долл.620

Найдено 1000 документов по запросу «Radarsat 1». [Перейти к поиску]


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0.08/5
... SAR missions ERS-1/2, ASAR and RADARSAT-2. New technologies have been embraced... assessed using simulated and real Radarsat-1 data sets. The results confirm... the project entitled Evaluation of RADARSAT-2 quad-pol data for functional... concerns in evaluating fully polarimetric RADARSAT-2 time-series datasets to delineate... target in Quad-Pol Radarsat-2 SAR images. Radarsat-2 satellite offers general users.... In this study we analyze Radarsat-2 quadruple polarization (quad-pol) mode... using RADARSAT-2 PolSAR data. This paper addresses the feasibility of using RADARSAT... L-band Synthetic Aperture Radar (PALSAR), Radarsat-2 (C-band) and TerraSAR-X (X-band). The... is clearly visible in the Radarsat-2 and TerraSAR-X HH polarized images... and land cover classification using RADARSAT-2 polarimetric SAR imagery. Traditional pixel... parameter based forest mapping using Radarsat-2 PolSAR data. In this paper... both summer and winter using Radarsat-2 quad-polarimetric space borne SAR... and implemented using fully polarimetric Radarsat-2 SAR (PolSAR) data acquired in... combinations for ship detection using RADARSAT-2. RADARSAT-2 provides new opportunities for spaceborne... and fishing activities. A series of RADARSAT-2 data has been collected and... sensors. SAR sensors onboard the RADARSAT-1/2, ENVISAT, ALOS, and other satellites.... This work presents a study of RADARSAT-2 polarimetric images, acquired in two... of INSAR system design. [597] Radarsat Constellation, moving toward implementation. The... SAR mission, known as the RADARSAT Constellation Mission (RCM), in 2005... a two-date change detection from RADARSAT images and from a time series... original and aspect angle normalized RadarSat-2 data acquired in Beijing, China... for parameters learning. Experiments on RadarSat-2 PolSAR data in Flevoland test.... [674] Monitoring grasslands with radarsat 2 quad-pol imagery. Radarsat 2 quad polarization imagery... agricultural fields from fully polarimetric RADARSAT-2 C-band SAR responses. Initially, soil... using SAR images collected by RADARSAT-2. Linear statistical relationships between the... Complex (SLC) Fine Quad Polarization RADARSAT-2 SAR data confirm the effectiveness... ASAR, TerraSAR-X, ALOS PALSAR, and RADARSAT-2, the interest of crop mapping... recent launches of ALOS PALSAR, RADARSAT-2, and TerraSAR-X polarimetric SAR systems... performance of these estimators on RADARSAT-2 polarimetric data, over various terrain... SAR sensors like TerraSAR-X, ALOS, Radarsat-2 or Sentinel-1. [842] A broad band... validated the estimated method using RADARSAT-2 and TerraSAR-X data and ground... the SAR raw data. Using RADARSAT-1 image, a simulation is performed Сборник... RADARSAT-1 imaging performance, 14 years after launch, and independent report on RADARSAT... under the RADARSAT Program. The performance history of the RADARSAT-1 SAR since... measurements for the privately-owned RADARSAT-2, launched in 2008, are also... the calibration parameters of the RADARSAT-1 SAR have consistently been maintained... the calibration ground equipment. For RADARSAT-2, CSA’s measurements report outstanding image... for different CP modes on RADARSAT-2 polarimetric data, over various terrain... SIGNAL PROCESSING SYSTEMS (2010) 215 RADARSAT-2 continuing system operations and performance... paper provides a status report for RADARSAT-2 system operations and performance now... performance and achievements of the RADARSAT-2 operations functional groups. Normal operations... collision risk avoidance, and the RADARSAT-2 risk mitigation experience is summarized... modeling. Experimental results using operational RADARSAT SAR sea-ice image data... polarization ratio model from C-Band RADARSAT-2 fine Quad-Pol imagery. We... and retrieve wind speeds from RADARSAT-1 or RADARSAT-2 HH polarization images. [986... images fusion. The research takes Radarsat-2 multi-polarization radar images and... and ratio of three temporal RADARSAT images, shape characters), and the... contribution to this effort. 23 Radarsat-1 images acquired over a 2.5-year period... site of this study. The RADARSAT-2 polarimetric data acquired at four... from two SAR satellite constellations: RADARSAT and ALOS. This paper provides... farms and coastal environments using RADARSAT-2 PolSAR data. / Jong Sen Lee... and land cover classification using RADARSAT-2 polarimetric SAR imagery. / Zhixin Qi... parameter based forest mapping using Radarsat-2 PolSAR data. / Yang Li, Wen... combinations for ship detection using RADARSAT-2. / Hannevik T.N. // IEEE International Geoscience and.... 1481-1484 реферат 598. Colinas J. Radarsat Constellation, moving toward implementation. / Colinas... for oil spill recognition using RADARSAT-2 image. / Wei Tian, Yun Shao... 675. Buckley J.R. Monitoring grasslands with radarsat 2 quad-pol imagery. / Buckley J.R., Smith... 777. Marino A. Ship detection with RadarSat-2 Quad-Pol sar data using... RADARSAT-1 imaging performance, 14 years after launch, and independent report on RADARSAT.... 1316-1318 реферат 952. Hillman A. RADARSAT-2 continuing system operations and performance... polarization ratio model from C-Band RADARSAT-2 fine Quad-Pol imagery. / Biao...



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0.13/5
CASE STUDY RADARSAT-2 ESA Copernicus Contributing Mission Global ... Services is supplying data from RADARSAT-2, the world’s most sophisticated commercial..., non-governmental organizations, and citizens. RADARSAT-2 Contribution MDA Geospatial Services is...-polarized RADARSAT-2 Synthetic Aperture Radar (SAR) sensor data and derived services. RADARSAT... satellite orbiting the Earth today. RADARSAT-2 collects global geospatial imagery through... patterns, and sea ice conditions. RADARSAT-2 beam modes provide programmers with...’s RADARSAT-2 is a contributing mission entity to Copernicus for a range of applications. RADARSAT... time delivery. www.mdacorporation.com RADARSAT-2 provides regional sea ice monitoring... Emergency Mapping A distinct advantage of RADARSAT-2 is its ability to collect... has called upon MDA and RADARSAT-2 numerous times to acquire and... using the RADARSAT-2 SCANSAR Narrow Mode. The Future The RADARSAT Constellation Mission (RCM) represents a major enhancement of Canada’s RADARSAT capability. RCM will be the third installment in the RADARSAT program... as a follow-on to the RADARSAT-2 program to provide operational C-Band.... www.mdacorporation.com 10800-4.4R2 RADARSAT-2 flood extent monitoring in Bangladesh...



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0.19/5
... Flight Center Scientific Visualization Studio, RADARSAT mosaic of Antarctica (Canadian Space... European Remote Sensing Satellite (ERS-1/2), RADARSAT 1/2, synthetic aperture radar and radar..., separating 18 K.C. Jezek Fig. 2.7 Canadian RADARSAT-1 Antarctic Mapping Project synthetic aperture... visible (Map courtesy of K. Jezek. RADARSAT-1 data courtesy of the Canadian... north east Greenland. In 1997, RADARSAT-1 synthetic aperture radar (SAR) data... cycle (just a few centimeters for RADARSAT-1). Given an estimate of surface... HY-2A HY-1C 16 RADARSAT-Constellation AMSR2/GCOM-W1 LEO.../Tandem-X X-band SAR/RISAT C-band RADARSAT-2 C-band 10 Solid Colour = R & D mission... 07 Seawinds/QuikSCAT Ku-band RADARSAT-1 C-band RA, SAR & Wind Scat... L-band, ESA Envisat and Canadian Radarsat C-band, and German TerraSAR-X (Fig... Center. Inset coastline derived from RADARSAT-1 Antarctic Mapping Project map) These... 46. Jezek KC (2008) The RADARSAT-1 Antarctic Mapping Project. BPRC Report... Antarctic ice sheet using the RADARSAT-1 synthetic aperture radar. Polar Geogr... of Antarctica extracted from orthorectified Radarsat SAR imagery. Photogramm Eng Remote... Antarctic ice streams revealed by RADARSAT interferometer. Science 286:283–286... Lambert Glacier system by incorporating Radarsat SAR interferometry and ICESat laser... Y, Rigby G, Werle D, Jezek K, Ball D (2010) A RADARSAT-2 snapshot of Antarctica during the...



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... 1995 with the launch of Radarsat, now under development. 15 6 I Civilian..., and Canada will launch its Radarsat spacecraft in early I 995. 26..., which will soon launch its Radarsat, is focusing attention on ■ SAR... chemistry, ocean dynamics and color Radarsat Canada 1995 SAR GMS-5 Japan... Earth Probe ERS-2 IRS-P3 RADARSAT ALMAZ-1 B SPOT 4 ADEOS NOAA K-N CBERS... to deploy Radarsat, its first remote sensing satellite, in 1995. Radarsat will... will receive free access to Radarsat data in exchange for providing... Program POEM POES POLDER RA Radarsat RESTEC RF RIS SAFIRE SAFISY... uses, 43 Public safety, 43 R Radarsat, 19,32, 35 Requirements issues...



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... conferences; continued development of the RADARSAT Constellation Mission (RCM); and ongoing... a large number of R&D activities using RADARSAT-2 data at both national and... unique capabilities offered by the RADARSAT-2 satellite and their potential contributions... Members States researchers’ access to RADARSAT-2 and ESA mission data. Similarly... utilization of data acquired by RADARSAT-2 and the COSMO-SkyMed Constellation... of algorithms, methods and applications. RADARSAT-2 data was also provided to... applications to capitalize on C-band (RADARSAT) and X-band (TerraSAR-X, TanDEM-X) SAR... also provides unique datasets from RADARSAT to support GEO flagship programs... of only a few, Canada provided RADARSAT reference and post-disaster imagery.... Planning for the future, Canada’s RADARSAT Constellation Mission (RCM) is currently... represent an evolution of the RADARSAT Program and aims to ensure...



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.... We also received ERS-2, ENVISAT, RADARSAT-1, and ALOS PALSAR data for... that includes polarimetric microwave emissions, RADARSAT backscatter, and Moderate Resolution Imaging... from the operational analysis of Radarsat images at the Canadian Ice... at the Ice Edge Using RADARSAT-1 and MODIS Imagery. Imagery from... synthetic aperture radar (SAR) aboard RADARSAT-1 and the Moderate Resolution Imaging... ice edge from high-resolution RADARSAT synthetic aperture radar has shown... Arctic pack ice. Validation with RADARSAT 1 and with the Advanced Very... (SAR) coverage is provided by RADARSAT using a multiple-beam scanning strategy.... The method is tested with RADARSAT-1 and Shuttle Radar Topography Mission... at the Ice Edge Using RADARSAT-1 and MODIS Imagery. / Heinrichs J.F., Cavalieri...



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... at the Ice Edge Using RADARSAT-1 and MODIS Imagery. IEEE Page... launched in 2010. Also, the RADARSAT-1 and -2 satellites, launched by Canada... ERS-1, ERS-2, Envisat ASAR, Sentinel-1, Radarsat, Palsar and TerraSARX (1991-2017... tremendously useful. CSA will launch RADARSAT-3 and a RADARSAT constellation (I think R-3 will be... at the Ice Edge Using RADARSAT-1 and MODIS Imagery. IEEE Trans... ERS-1, ERS-2, Envisat ASAR, Sentinel-1, Radarsat, Palsar and TerraSARX (1991-2017... tremendously useful. CSA will launch RADARSAT-3 and a RADARSAT constellation (I think R-3 will be...



Дата загрузки: 2016-11-12
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0.12/5
RADARSAT RADARSAT-1: The Canadian Space Agency’s first ... develop, manage and deliver the RADARSAT-1 Program. Combined, the individual strengths... Space Technologies • Owns and operates RADARSAT-1 • Controls RADARSAT-1 in space, plans SAR data acquisition and delivery, and tasks RADARSAT...’s two RADARSAT-1 receiving stations • Oversees pre-processing, recording and archiving of RADARSAT-1 data • Conducts applications research RADARSAT International (RSI) • Processes, markets and distributes RADARSAT... Atmospheric Administration (NOAA) • Launched RADARSAT-1 • Distributes RADARSAT-1 data to the United States... • Pre-purchased RADARSAT-1 data Canadian Industry • Designed and built the RADARSAT-1 satellite and ground system • Contractually supports RADARSAT-1 operations and maintenance • Develops and sells RADARSAT-derived products... RADARSAT-1 Program: People Make the Difference 3 The RADARSAT-1 System: Improving Operational Efficiency 4 RADARSAT-1 Stations Cover the World 6 Background Mission Enriches RADARSAT-1 Archives 8 ADRO... Antarctica Revealed 12 Disaster Management: RADARSAT-1 Responds 14 Client Service Spurs... Applications 19 RADARSAT-2: Next-Generation SAR 23 Front cover: RADARSAT-1 imagery of... licence by RADARSAT International (RSI). Provided by CRISPand RSI. Svalbard RADARSAT-1 data... TSS. Distributed under licence by RADARSAT International (RSI). Produced and provided... same can be said about RADARSAT-1. RADARSAT-1 has pioneered revolutionary ways to... responsiveness and unique imaging capabilities, RADARSAT-1 continued to prove its versatility... the scheduled launch of RADARSAT-2 in 2002; RADARSAT-1 will be counted on... demand for RADARSAT-derived products and services — evidence of RADARSAT-1’s continued robustness... Directorate operates and manages the RADARSAT-1 Program. In 1999, Satellite Operations... reception, data processing RADARSAT-1 Order Desk Service RADARSAT-1 Satellite Control Centre and... reception and processing operators, the RADARSAT-1 satellite is efficiently satisfying customer... from nearly 60 countries. The RADARSAT-1 System: Improving Operational Efficiency The... resources and monitoring the environment. RADARSAT-1 data © Canadian Space Agency 1999... Sensing. Processed and distributed by RADARSAT International (RSI). Produced and provided... Image Quality Throughout 1999, the RADARSAT-1 calibration maintenance program continued to.... Images distributed under licence by RADARSAT International (RSI). Images produced and... the upcoming RADARSAT-2 program. Nearly 70 percent of the RADARSAT-1 archive data... Sensing. Processed and distributed by RADARSAT International. Produced and provided by... Sensing. Processed and distributed by RADARSAT International. Produced and provided by... Sensing. Processed and distributed by RADARSAT International. Produced and provided by... Hazardous Regions Under controlled conditions, RADARSAT-1 data can produce outstanding interferograms... 4 500 RADARSAT-1 scenes acquired during 18 days of the RADARSAT-1 Antarctic Mapping...-hour PCD operational baseline enhanced RADARSAT-1’s responsiveness to urgent disaster-related... P-3 hurricane penetration aircraft flights with RADARSAT-1 pass times, providing unique, high... opportunities. Producing a total of 225 RADARSAT-1 acquisitions, this program supplied images... from ERS-2, SPOT and RADARSAT-1. To that end, RADARSAT-1 images of Hurricanes... application of geospatial technologies, including RADARSAT-1, to disaster mitigation, planning / preparations... Sensing. Processed and distributed by RADARSAT International (RSI). Produced and provided... Sensing. Processed and distributed by RADARSAT International (RSI). Produced and provided... 5, which produced less radar backscatter. RADARSAT-1 data © Canadian Space Agency 1999... by CSAsupported missions, including RADARSAT-1 and the upcoming RADARSAT-2 program. As such..., which are greatly enhanced using RADARSAT-1 data. RADARSAT-1 data © Canadian Space Agency... Sensing. Processed and distributed by RADARSAT International. Produced and provided by...: Products and services generated: Leveraged RADARSAT-1 products and services sales: 48... Sensing. Processed and distributed by RADARSAT International. Produced and provided by... Agreement on the Development of RADARSAT Data Applications exemplifies the cooperation... INTERMAP RADARSAT-1 Lesson Plan for User Education and Training, which integrates RADARSAT... Sensing. Processed and distributed by RADARSAT International. Produced and provided by... infor mation regarding specific RADARSAT-1 appli cations, CSAheld RADARSAT-1 workshops in Halifax... by RADARSAT International. Produced and provided by MIR Télédétection Inc. RADARSAT-2: Next-Generation SAR Scheduled for launch in 2002, RADARSAT-2 will... Earth observation satellites. RADARSAT-2 will not only assure RADARSAT-1 users of data... public-private sector partnership, the RADARSAT-2 project will maintain Canada’s leadership...



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...………………………….................….46 Radarsat-2 and TerraSAR-X Remote Sensing Systems..................................................48 3.8.1 Radarsat-2...........................................................................................................48 v 3.9 3.10 3.8.1.1 Radarsat-2 Instrument...………………………………………………………...........………...95 5.2.1 SAR Data Description………………………………………….........…...........96 5.2.2 Radarsat-2 Data…………………………………………………......................97 5.2.3 TerraSAR-X Data………………………………………………...................…98... Contextual Analysis…………………………………………………….................….186 7.4.1 Segmentation…………………………………………………….………...…187 7.4.1.1 Radarsat-2 HH Image Segmentation……………….............….….…189 7.4.1.2 TerraSAR... of Radarsat-2 HH and TerraSAR-X HH Images……………………………...........................................................194 Comparison between Radarsat-2 and TerraSAR-X…………………………..………198 Area Estimation.............................................................................................................200 7.6.1 Flood Area Estimates.......................................................................................202 7.6.1.1 Radarsat... and flooding map.........................40 Radarsat-2 configuration.........................................................................51 Radarsat-2 SAR beam modes of... texture image for Radarsat-2 VV.......................................................................176 Supervised classification of Radarsat-2 HH produced.......................................187 Radarsat-2 HH texture image before and after segmentation................190 Radarsat-2 HH... Radarsat-2 and their benefits.......................................49 Radarsat-2 spacecraft and Antenna general characteristics.....................50 Radarsat-2 orbit characteristics......................... ........................................51 Radarsat... angles.....................................................................................................200 Error matrix for Radarsat-2 HH ultrafine Data.....................................201 Error... Radarsat-2; TerraSARX; TanDEM-X; COSMO-SkyMed; PALSAR Meteosat; Microwave Imager (aboard TRMM) Radarsat-2; TerraSARX; COSMO-SkyMed; PALSAR; AMSR-E Radarsat-2; TerraSARX; COSMO...-5 Kompsat Landsat-5 Landsat-7 NOAA Envisat Radarsat-2 Radarsat-1/-2 Radarsat-2 Radarsat-1/-2 Radarsat-2 Radarsat-1 Radarsat-1/-2 Radarsat-1/-2 Radarsat-1/-2 Radarsat-1 ERS-2 Envisat TerraSAR-X Cosmo-SkyMed... Radarsat-2, TerraSAR-X and COSMO SkyMed. Section 3.8 proposes brief details about the Radarsat... is in the following sections. 3.8.1 Radarsat-2 Radarsat-2, was jointly funded by the... in November 1995. Radarsat-2 has advanced technology over Radarsat-1 which includes: three... the Radarsat-2 system and their benefits. Table 3.4: Some features of Radarsat-2 and... image processing 3.8.1.1 Radarsat-2 Instrument System The spacecraft of Radarsat-2 is mainly composed... Radarsat-2 sensor electronics and the antenna are shown in Appendix 3.1. Table 3.5: Radarsat... Figure 3.9: Radarsat-2 configuration (Adapted from GLOBSAR, 2008). 3.8.1.2 Satellite Orbit Radarsat-2 has a sun... Modes and Polarizations Radarsat-2 has all of the Radarsat-1 imaging modes plus... illustrates the Radarsat-2 SAR beam modes of operation. The Radarsat-2 antenna directs... acquisitions 96 Chapter 5: Methodology 5.2.2 Radarsat-2 Data Two Radarsat-2 products were obtained during... information about Radarsat-2 product specifications can be found in Radarsat-2 Product Format... histograms. Radarsat-2_HH TerraSAR-X_HH Before projection After projection Figure 6.4: Radarsat-2 and... Preparation Radarsat-2 HH TerraSAR-X HH Before Geocorrection After Geocorrection Figure 6.6: Radarsat-2 HH... was used only for Radarsat-2 image classification. Radarsat-2 Variance texture Density slice... VV between Radarsat-2 and TerraSAR-X. The range values of C-band Radarsat-2 products... Radarsat-2 HH and TerraSAR-X HH imagery compared with dGPS data. WB Radarsat... Classification of Radarsat-2 Data Maximum likelihood supervised classification for Radarsat-2 HH and... image (B) Radarsat-2 HH product Figure 7.14: Supervised classification of Radarsat-2 HH produced... Mapping 7.4.1.1 Radarsat-2 HH Image Segmentation The scale parameter for the Radarsat-2 HH... within Radarsat-2 HH images and also between classified images of Radarsat-2 and... 7.21 Error matrix for Radarsat-2 HH ultrafine Data Radarsat-2 Reference Data Image..., variance and contrast for Radarsat-2 products. 3 C-Band Radarsat-2 and X-Band TerraSAR fine... Radarsat-1 image showing pre-flood water bodies, and red indicates the Radarsat..., 7 April 2010 (Radarsat-1); red – water bodies, 9 December 2010 (Radarsat-2) (source: Disaster Charter... calculating water texture regions for Radarsat-2. 3. C-Band Radarsat-2 and X-Band TerraSAR-X fine... Bangladesh using Radarsat imagery. Proceedings of the Final Symposium: Radarsat Advanced Data... Appendix 3.1: Radarsat-2 sensor electronics sub-system and antenna subsystem diagrams Radarsat-2 sensor...



Дата загрузки: 2017-06-16
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Simulations of attitude determination for RADARSAT-I using GPS Line Moisan NavCom... the Canadian remote sensing satellite, RADARSAT-I. GPS Satellite e λ ∆ρ antenna A b antenna B baseline... the Canadian remote sensing satellite RADARSAT-I requires 0.05o (probability of 99... results for RADARSAT-I. 2 2 = σ angle 2 σ ∆Φ  180 o   q (k , k )  2  π  (degrees)   2 (4) Description and characteristics of RADARSAT-I where... the platform orientation of the RADARSAT-I on which GPS antennas are... called apparent horizon [Moisan, 1999]. RADARSAT-I is the Canada's first Earth... km above the Earth, the RADARSAT-I produces high-quality images of... sunlight reflected from the Earth, RADARSAT-I collects imagery of the Earth... web site, 1998]. Table 3 describes RADARSAT-I's orbit characteristics. The attitude angles... image resolution of 8 metres. Table 3: RADARSAT-I's orbital characteristics (adapted from CCRS... FOR RADARSAT-I This section provides a general description and characteristics of the RADARSAT..., and radio frequency interference between RADARSAT-I and GPS antennas. Temperature A LEO... the upper platform of the RADARSAT-I spacecraft bus, resulting in an... The S-band communication antenna on RADARSAT-I transmits and receives at 2230... vibrations Coordinate reference frame for RADARSAT-I The frequency and amplitude of... 2 describes the reference frames of RADARSAT-I and the (left-hand) local..., and ZTL axis towards Zenith. RADARSAT-I reference frame is represented with... transforms a local terrestrial frame into RADARSAT-I reference frame [Moisan, 1999]. Radiation... RADARSAT-I (R) and local terrestrial (TL). Figure 3 shows the reference frame of RADARSAT... speed vector is calculated from RADARSAT-I orbital elements. The ZR axis.... When a GPS satellite rises at RADARSAT-I horizon, the same GPS satellite... horizon plan RADARSAT-I GPS Satellite RADARSAT-I Figure 3: Reference frame for RADARSAT-I. o 2 Earth observer GPS satellites distribution for RADARSAT... be found in [Moisan, 1999]. RADARSAT-I latitude 66o to -17o , longitude... of visible GPS satellites for RADARSAT-I and an observer located in... by RADARSAT-I for the same period of time . During the period, RADARSAT... when RADARSAT-I was above the equator. The visible GPS satellites at RADARSAT... RADARSAT-I at the Earth observer horizon Earth Figure 5: Horizon plans for RADARSAT... of GPS satellites visible for RADARSAT-I and an observer in Quebec... computation takes into account the RADARSAT-I platform orientation where the GPS... average GPS satellite visible for RADARSAT-I is 7 and 6 respectively, with elevation... of visible GPS satellites for RADARSAT-I (apparent horizon) and an observer... Number of (%) visible GPS satellites (%) RADARSAT Earth RADARSAT Earth 4 5 6 7 8 9 10 11 12... for GPS antennas on the RADARSAT-I platform have been chosen. This... and tetrahedral configurations related to RADARSAT-I’s reference frame. Square configurations CA1... A B C D 1.6 m Figure 6: Upper platform of the RADARSAT-I spacecraft bus. Three configurations have... placed and anchored flat on RADARSAT-I platform. This choice has been... 6: Components of selected vectors in RADARSAT-I reference frame for the 3 chosen... 7: GPS antennas configuration chosen for RADARSAT-I. Table 5 presents the coordinates of... Table 5). The configurations chosen for RADARSAT-I take into account the available... GPS antenna configurations chosen for RADARSAT-I. The vector numbers correspond to... GPS antenna configurations chosen for RADARSAT-I. Square configuration 1 CA1 vectors: 1-2-3 trace... GPS satellites' positions observed by RADARSAT-I with respect to its position..., and takes into account the RADARSAT-I orientation platform. We assume no.... For the 3 GPS antenna configurations, RADARSAT-I apparent horizon was utilised with... used for RADARSAT-I’s platform are -29.8o and -4.95o, respectively. RADARSAT-I’s yaw... the requirement of 0.05o for RADARSAT-I, when images are taken. Better... precision. Table 8: Simulation results for RADARSAT-I. RADARSAT-I’S YAW, ROLL = -29.8o, PITCH... The Canadian remote sensing satellite RADARSAT-I has been chosen to analyse... the high speed of the RADARSAT-I, and possible radio frequency interference... communication antennas on board the RADARSAT-I. The RADARSAT-I’s platform was chosen to... and heat pipes on board RADARSAT-I would keep the temperature within... expected between GPS antenna and RADARSAT-I’s communication antenna because of the..., 1998]. The simulation analysis with RADARSAT-I has shown that the total... p. Nappert S., (1999), Communication personnelle, Groupe RADARSAT, Agence spatiale canadienne, St-Hubert....space.gc.ca/FRA/A_propos/Radarsat/rad1.html Canada Centre for....ccrs.nrcan.gc.ca/tekrd/radarsat/specs/radspecf.ht ml Spaceborne...