Search Results - "Nag, Sreeja"

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  1. 1

    Fast Methods of Coverage Evaluation for Tradespace Analysis of Constellations by Ravindra, Vinay, Nag, Sreeja

    “…Simulation of distributed space missions (DSMs) for the purpose of phase-A mission design studies and general tradespace analysis is computationally…”
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    Journal Article
  2. 2

    A New Taxonomy for Distributed Spacecraft Missions by Le Moigne, Jacqueline, Adams, John Carl, Nag, Sreeja

    “…Due to many technical and programmatic changes, distributed spacecraft missions (DSMs) and constellations are becoming more common, both in national space…”
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    Journal Article
  3. 3

    Cost and risk analysis of small satellite constellations for earth observation by Nag, Sreeja, LeMoigne, Jacqueline, de Weck, Olivier

    Published in 2014 IEEE Aerospace Conference (01-03-2014)
    “…Distributed Space Missions (DSMs) are gaining momentum in their application to Earth science missions owing to their ability to increase observation sampling…”
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    Conference Proceeding
  4. 4

    Ensemble-Guided Tropical Cyclone Track Forecasting for Optimal Satellite Remote Sensing by Ravindra, Vinay, Nag, Sreeja, Li, Alan

    “…Within the realm of satellite remote sensing, optimal data acquisition to study natural phenomena under time, resource, and cost constraints is a well-known…”
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    Journal Article
  5. 5

    Behaviour based, autonomous and distributed scatter manoeuvres for satellite swarms by Nag, Sreeja, Summerer, Leopold

    Published in Acta astronautica (01-01-2013)
    “…One of the key requirements of a satellite cluster is to maintain formation flight among its physically distinct elements while at the same time being capable…”
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    Journal Article
  6. 6

    Prediction models for urban flood evolution for satellite remote sensing by Lammers, Roderick, Li, Alan, Nag, Sreeja, Ravindra, Vinay

    Published in Journal of hydrology (Amsterdam) (01-12-2021)
    “…•Satellite observed precipitation can be used in flood forecasts.•Updating forecasts over time can optimize locations for satellite observations.•We compare…”
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    Journal Article
  7. 7

    Scheduling algorithms for rapid imaging using agile Cubesat constellations by Nag, Sreeja, Li, Alan S., Merrick, James H.

    Published in Advances in space research (01-02-2018)
    “…Distributed Space Missions such as formation flight and constellations, are being recognized as important Earth Observation solutions to increase measurement…”
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    Journal Article
  8. 8

    Instrument Data Metrics Evaluator for Tradespace Analysis of Earth Observing Constellations by Ravindra, Vinay, Nag, Sreeja

    Published in 2020 IEEE Aerospace Conference (01-03-2020)
    “…There is currently a trend towards developing and commissioning satellite constellation missions, which has necessitated tradespace studies to design…”
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    Conference Proceeding
  9. 9

    Remote sensing of aerosols with small satellites in formation flight by Knobelspiesse, Kirk, Nag, Sreeja

    Published in Atmospheric measurement techniques (06-07-2018)
    “…Determination of aerosol optical properties with orbital passive remote sensing is a difficult task, as observations often have limited information…”
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    Journal Article
  10. 10

    Simulation of Multiangular Remote Sensing Products Using Small Satellite Formations by Nag, Sreeja, Gatebe, Charles K., Hilker, Thomas

    “…To completely capture the multiangular reflectance of an opaque surface, one must estimate the bidirectional reflectance distribution function (BRDF), which…”
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    Journal Article
  11. 11

    Prototyping operational autonomy for Space Traffic Management by Nag, Sreeja, Murakami, David D., Marker, Nimesh A., Lifson, Miles T., Kopardekar, Parimal H.

    Published in Acta astronautica (01-03-2021)
    “…Current state of the art in Space Traffic Management (STM) relies on a handful of providers for surveillance and collision prediction, and manual coordination…”
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    Journal Article
  12. 12

    CubeSat constellation design for air traffic monitoring by Nag, Sreeja, Rios, Joseph L., Gerhardt, David, Pham, Camvu

    Published in Acta astronautica (01-11-2016)
    “…Suitably equipped global and local air traffic can be tracked. The tracking information may then be used for control from ground-based stations by receiving…”
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    Journal Article
  13. 13

    Multispectral Snapshot Imagers Onboard Small Satellite Formations for Multi-Angular Remote Sensing by Nag, Sreeja, Hewagama, Tilak, Georgiev, Georgi T., Pasquale, Bert, Aslam, Shahid, Gatebe, Charles K.

    Published in IEEE sensors journal (15-08-2017)
    “…Multispectral snapshot imagers are capable of producing 2-D spatial images with a single exposure at selected, numerous wavelengths using the same camera,…”
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    Journal Article
  14. 14

    Instrument Modeling Concepts for Tradespace Analysis of Satellite Constellations by Nag, Sreeja, Ravindra, Vinay, Le Moigne, Jacqueline

    Published in 2018 IEEE SENSORS (01-10-2018)
    “…Constellations are gaining popularity in government and commercial space-based missions for Earth Observation (EO) due to their risk tolerance and ability to…”
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    Conference Proceeding
  15. 15

    Collaborative gaming and competition for CS-STEM education using SPHERES Zero Robotics by Nag, Sreeja, Katz, Jacob G., Saenz-Otero, Alvar

    Published in Acta astronautica (01-02-2013)
    “…There is widespread investment of resources in the fields of Computer Science, Science, Technology, Engineering, Mathematics (CS-STEM) education to improve…”
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    Journal Article
  16. 16

    An Initial Analysis of the Stationkeeping Tradespace for Constellations by Slavinskis, Andris, Nag, Sreeja, Observatory, Tartu, Mueting, Joel

    Published in 2019 IEEE Aerospace Conference (01-03-2019)
    “…This paper presents an Orbit Maintenance Module (OMM) for Tradespace Analysis Tool for Constellations (TAT-C), a software package to explore a wide range of…”
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    Conference Proceeding
  17. 17

    A framework for orbital performance evaluation in Distributed Space Missions for earth observation by Nag, Sreeja, LeMoigne, Jacqueline, Miller, David W., de Weck, Olivier

    Published in 2015 IEEE Aerospace Conference (01-03-2015)
    “…Distributed Space Missions (DSMs) are gaining momentum in their application to earth science missions owing to their unique ability to increase observation…”
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    Conference Proceeding
  18. 18

    Communicating with unmanned aerial swarm automatic dependent surveillance transponders by Nag, Sreeja, Jaewoo Jung, Inamdar, Karishma

    Published in 2017 IEEE SENSORS (01-10-2017)
    “…Suitably equipped air traffic can be tracked by decoding its Automatic Dependent Surveillance (ADS) Broadcast (ADS-B) signal. ADS is defined by initiatives in…”
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    Conference Proceeding
  19. 19

    Effect of satellite formations and imaging modes on global albedo estimation by Nag, Sreeja, Gatebe, Charles K., Miller, David W., de Weck, Olivier L.

    Published in Acta astronautica (01-09-2016)
    “…We confirm the applicability of using small satellite formation flight for multi-angular earth observation to retrieve global, narrow band, narrow…”
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    Journal Article
  20. 20

    Subsystem support feasibility for formation flight measuring Bi-directional Reflectance by Nag, Sreeja, Cahoy, Kerri, de Weck, Olivier

    Published in 2015 IEEE Aerospace Conference (01-03-2015)
    “…Distributed Spacecraft Missions can be used to improve science performance in earth remote sensing by increasing the sampling in one or more of five…”
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    Conference Proceeding