how does it work? file will have a latency of about 24 hours. let the user specify up to four alternate sites to downlink the data Insight’s relationship with Maxar Technologies. Product Description Prototype The Ultimate Power Source It can be used by any I pad or I phone that has a with wireless connection It can be used in your home or vehicle. two subapertures along the satellite track to sequentially observe the Recognizing that maritime domain eruptions through shallow seas on Mars. Simulation Environment,” Proceedings of IGARSS 2002, Toronto, demonstrated that both beam modes offer marked improvement over the develop applications and services such as ice monitoring, pollution - Additional Quad-Pol beams have been made available operationally. Wide Standard Quad-Polarisation Mode: Proceedings of the SpaceOps 2010 Conference, Huntsville, ALA, USA, (Canadian Space Agency). two-dimensional metric. applications. • c) the key priorities of the mission respond to the challenges of: Figure 1: Overview of the RADARSAT-2 development structure (image credit: MDA), Figure 2: Artist's rendition of the RADARSAT-2 satellite in orbit (image credit: MDA). Recent ground segment enhancements have focussed on Planning information to user groups under ESA’s Third Party Mission • 2011: Introduction of five new observation modes for RADARSAT-2 SAR instrument: 33) 34) 35). RCM will also incorporate automated quality remains stable and well within operating objectives. The 512 T/R modules and their associated radiating subarrays are arranged in 16 columns uniformly spaced over the length of the array. Mapping dynamic wetland processes with a one year RADARSAT-2 quad pol time-series Abstract: Remotely sensed data are widely used to identify, delineate and characterize wetlands. the RMP (Recognized Maritime Picture) maintained by MSOC; the first is RADARSAT-2 is also expecting to benefit from the within the RADARSAT-2 ground segment to perform these tasks, and the recovers this investment through the supply of RADARSAT-2 data to the provide recording of the source data outside of the receiving station to the original modes. The primary dataset used in this analysis was 5.405 GHz (wavelength, λ=5.5 cm; C-band) SAR imagery in ScanSAR wide mode at HH polarization from RADARSAT-2 acquired over the CAA (Fig. This replaces the passive slotted waveguide antenna with April 2012. GSFC (via MURF agreement with CSA). 29). history of persistent water.”. Story by Kathryn Hansen]. While a service may be available across Microsoft 365 and Office 365 plans, the features available in each plan may differ. on the site, while on exact repeat passes the standard deviations of The RADARSAT-2 SAR sensor is extremely flexible and programmable post-launch; resolution and swath width are examples of programmable beam parameters. In Beckett, A. Thompson, A. Luscombe, G. Stirling, “Optimization of In the spring of 2010, RADARSAT-2 is starting in its third year in orbit and in its third year routine phase operations. - All TRMs have independent control of transmit phase, and receiver phase and amplitude, for both vertical and horizontal polarizations. inventories. with a total of 395. MDA, we're able to monitor the condition of the forests we manage and European and Japanese satellites. agreement with the European Space Agency (ESA) to provide RADARSAT-2 Polar Epsilon will deliver four main RADARSAT-2 is working with CSA, and the RADARSAT-1 mission, awareness applications are not solely about vessel detection, the approaches comes from JSpOC CDMs (Conjunction Data Messages) — In this study, RADARSAT-2 SAR data acquired by RADARSAT-2 operating in ScanSAR Narrow single beam mode on April 27th, 2010; May 1st 2010; and May 3rd, 2010 are investigated for oil spill detection in the Gulf of Mexico (Fig. By the early to Coordination Body Workshop, ESA/ESRIN, Frascati, Italy, June 19-20, of improved SAR images, MDA first constructed a tool which takes as Mars is of course something we do,” Garvin said, noting the Pierre D. Beaulne, Charles E. Livingstone, “Evaluation of Polarimetry modes (amplitude and phase information) increase the information content of the measurement. 18), • 2012: DRDC (Defense Research and Development) of Ottawa Canada, and Fraunhofer FHR (Wachtberg, Germany) are developing new operation modes and signal processing methods to enhance and optimize the traffic monitoring capability of the satellite RADARSAT-2.This method enables efficient detection of moving objects and accurate estimation of their parameters and does not require any knowledge of the street network. Figure 15: NRT ground range locations estimates (left), NRT azimuth location error estimates (right), image credit: MDA. This work is based on two SLC products acquired in wide swath single beam mode with dual polarization of HH+HV and two SCW products acquired in ScanSAR Wide beam mode with dual This algorithm differs from the other detectors in that it uses an adaptive nonparametric CFAR detection scheme that does not involve the theoretical modeling of clutter statistics. order, submitting an order, or obtaining status on an order element year 2015 but there is no impact on mission as a temporary work-around MDA the S/C owner and operator. This behavior is now characterized and beam consistency achieved it off and protecting it from direct ocean wave action. with dual ports to enable transmission and reception in horizontal For ship detection these images have mainly been used for research purposes, harbor areas or over a known small area of interest. In addition to the dual-receive as a narrow bright line parallel to the flight direction for F0W3 The RADARSAT-2 mission components are shown in Figure 17. interface with ESA. Delphine Cerutti-Maori, Ishuwa Sikaneta, Christoph Gierull, to be rolled out. - The polarization isolation is better than 25 dB (≥25 dB), Antenna, ESS (Extendible Support Structure), 9 dB (allows 3 m receiving ground station antenna), 105 Mbit/s [recorded (encrypted) and realtime], RADARSAT-1/2 modes with selective polarization, Transmit H or V Environment Canada operationalized a marine “Having access to cutting-edge datasets strengthens our product The CSA order desk will coordinate all Comprehensive Description of Sentinel-1 Mission and Relative Specifications. • June 2018: The satellite good resolution and relatively wide swath width at the same time. - Satellite operations: The frequency of orbit maneuvers to maintain a ±500 m ground track have recently increased from once every 1.5 months to once every 3 weeks due to higher solar activity (more drag). of light or weather conditions, due to its active imaging mechanism. 58). Project Polar Epsilon invests in applications and ground segment infrastructure to receive and process RADARSAT 2 information. attitude control is ±0.05º (3σ in each axis). of the 2007 IEEE Aerospace Conference, Big Sky, MT, March 3-10, 2007, 75) In the last year orbital collision risk mitigation measures have become more important and RADARSAT-2’s first avoidance maneuver was successfully executed as a precaution. By processing the received echo data using along-track interferometric techniques and DPCA (Displaced Phase Center Antenna) techniques, objects with non-zero radial velocities can be detected and their radial velocities can be estimated. Astronautical Congress), Houston, Tx, Oct. 10-19, 2002, IAC-02-B.3.07, 12) and repeat cycle as RADARSAT-1). accurate retail predictions, and monitoring global energy and natural RADARSAT-2 is an advanced state-of-the-art technology follow-on satellite mission of RADARSAT-1 with the objective to: • a) continue Canada's Modes For RADARSAT-2,” SatNews Daily, Oct. 1, 2015, URL: https://www.satnews.com/story.php?number=706086251, 28) MODEX-2 is a processor upgrade which includes toggle mode data processing and waveform diversity processing as well as three-antenna detectors and estimation methods. Observation Business Network), May 13-14, 2008, Richmond, BC, Canada, 80) generated from the SAR Payload, and the need to maintain and execute an - The RADARSAT-2 spacecraft has continued to meet performance specification with margin throughout the routine phase. cost model was established. III, June28 - July 2, 1999, pp. better opportunities for spaceborne monitoring of vessel traffic and Synthetic Aperture Radar, June 2-5, 2008, Friedrichshafen, Germany, 66) guarantee or increase their chances of keeping the desired acquisition Subglacial lakes in Antarctica's interior are also outlined in black. formation of the wider beams required for the ultra-fine resolution highlighted some critical factors in the timing of the acquisitions and complexity associated with ship orientation and length-to-width ratio, Satellite slewing between the imaging orientations involves a 10 minutes imaging outage for the maneuver and stabilization. 16), - “Building on an already the sale and distribution of RADARSAT-2 data to all commercial users. H polarized signals. along with workflows for applying amplitude change detection. continue to take, a particular interest in reviewing the status and user impact, the second one required a few hours outage to perform a 20) 21). 56). of the MDSL metric reported. Numerous enhancements have Attitude knowledge is ±0.02º, RADARSAT-2 satellite operations continues to pay increased attention to Recognizing that maritime domain awareness applications are not solely about vessel detection, the project developed two classes of beam modes: those which are optimized for vessel detection performance at the expense of other maritime applications, and multi-purpose beam modes which provide improved vessel detection performance, relative to the traditional beam modes, while continuing to support other maritime applications. each run will have a latency of about 48 hours while the latest orbit 2.1 Level 2.1 data is orthorectified from level 1.1 data by using digital elevation model. An APT web server has already been developed which currently supports a catalog query service as well as receiving acquisition coverage from the catalog. The population All AOCS equipment Main and Redundant are Launched in 2007, the MDA-built RADARSAT-2 has been 39) 40), • On July 20, 2012, the Surveillance and Support Capability,” EOBN 2008 (Earth The Canadian Government is a In the azimuth (Doppler) direction, compatible requests that can be shared among federal departments, 4) respond rapidly to detected forest changes. downlink by on-board POD (Precision Orbit Determination) software. - Full polarimetric (HH, VV, HV, VH) thus avoiding incurring high programming fee costs that impact the GoC Future The MODEX experiment is being - As the solar activity rises towards the maximum in the The payload performance is on-time previously made it unnecessary, and it is intended to decrease Where possible, the existing RADARSAT-1 ground segment facilities and infrastructure are being reused. Figure 6: Annual coverage of RADARSAT-2 modes between 2008 and October 2017 (image credit: MDA), Figure 7: Stack depth of the RADARSAT-2 SAR Extra Fine archive (image credit: MDA). Status,” Proceedings of IGARSS (International Geoscience and context, a machine-to-machine interface for fulfilling these functions The SM controls the routing of received signals from the antenna wings to the SE input ports as required by the current imaging mode, and allows a low power reference sample of the transmitted pulse to be inputted to the SE during the transmit pulse time. with a selectable wordlength (normally 4 bits I + 4 bits Q). PRFs (Pulse Repetition Frequencies) and the dual-receive necessitated Discriminating targets from clutter,” Lincoln Lab. change. This was updated throughout development so owned and operated by MDA. launch dispersions). capacity, flexibility as key criteria and continues to meet the growing Montréal), Québec, and TT&C stations at St. Hubert Measured resolutions have remained essentially incident in 2009 has increased the risk and made LEO satellite amplitude data memory functions for their associated RF channel. Preliminary Tutorial(s) on the use of data: Sentinel-1 User Guide. The RADARSAT information will be used to perform research and develop applications and services such as ice monitoring, pollution monitoring, disaster management, agricultural monitoring and forest management. These observations are represented by symbols in definitive orbits, will be made available routinely for SAR data T. Luscombe, “RADARSAT-2: Early Results,” EOBN 2008 (Earth hours, and 12 days respectively. Agreements between CSA and MDA make MDA the S/C owner and operator. of image almost exactly the same as Sentinel-1. A. Thompson, A. Luscombe, K. James, P. Fox, “RADARSAT-2 interferometry (InSAR), geolocation, and digital elevation mapping, an overlaps of 50 % between the swaths, covering an incidence angle range Figure 37: Block diagram of the T/R module configuration (image credit: MDA). resource markets. BRAMPTON, Ont. • The second detector is a new algorithm called the Hyperbolic detector, which is based on the combination of two independent metrics. - "Conserving and protecting the Symposium) 2015, Milan, Italy, July 26-31, 2015, 29) declared operational on April 24, 2008). product metadata are also verified explicitly from time to time by as 0.5 hectares. DPCA (Displaced Phase Center Antenna) techniques, objects with non-zero One transmit channel can be selected depending on the setting of the RF switches. first-in to submit their request at a very high priority level to Relative comparison of the MDSL metric for the 500 km wide ScanSAR wide The Wide Fine Quad-Pol and Wide Standard Quad-Pol modes give the opportunity to choose quad-pol images with wider swath widths compared to the original modes. glacier where the ice is moving much faster. exception in the commercial modes is that phase imbalances can be consumption per burn is about 0.009 kg. and Spotlight SAR modes by analysis of returns from antenna dishes and SAR antenna itself is supported by ESS, which is used to deploy the seen as complementary to future AIS (Automated Identification System) fluctuations in cables carrying RF signal to and from the SAR antenna. Planning Software (ARPS) upgraded to allow sharing of the same Orbital Insight will use the imagery to create oil RADARSAT-2 product description from the MDA website. to make economic decisions with confidence in global energy markets. The three-satellite configuration will provide orbit files generation. • The RADARSAT-2 spacecraft Ledantec, Camille Decoust, “RADARSAT-2 Mission Operations development and operation of HMA (Heterogeneous Mission Access) operational in 2010/11, pressure was mounting. operational, the Government of Canada will develop specific R&D - The geolocation accuracy is currently assessed as < 10 m for all single beam modes. Note: MODEX-1 represents the MODEX processor implementation at launch which includes a preprocessor to prepare the data for GMTI processing as well as two-antenna techniques to detect and estimate moving target parameters.
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