Search Results - "Carswell, James"

Indoor Positioning for Smartphones Using Asynchronous Ultrasound Trilateration by Filonenko, Viacheslav, Cullen, Charlie, Carswell, James

“…Modern smartphones are a great platform for Location Based Services (LBS). While outdoor LBS for smartphones has proven to be very successful, indoor LBS for…”
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Stepped Frequency Microwave Radiometer Wind-Speed Retrieval Improvements by Sapp, Joseph, Alsweiss, Suleiman, Jelenak, Zorana, Chang, Paul, Carswell, James

“…With the operational deployment of the *SFMR, hurricane reconnaissance and research aircraft provide near real-time observations of the 10 m ocean-surface…”
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The NASA High-Altitude Imaging Wind and Rain Airborne Profiler by Lihua Li, Heymsfield, Gerald, Carswell, James, Schaubert, Daniel H., McLinden, Matthew L., Creticos, Justin, Perrine, Martin, Coon, Michael, Cervantes, Jaime I., Vega, Manuel, Guimond, Steve, Lin Tian, Emory, Amber

“…The High-Altitude Imaging Wind and Rain Airborne Profiler (HIWRAP) is a dual-frequency (Ka- and Ku-bands), dual-beam (30° and 40° incidence angles), and…”
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MobiLAudio - a multimodal content delivery platform for geo-services by Gardiner, Keith, Cullen, Charlie, Carswell, James D.

“…Delivering high-quality context-relevant information in a timely manner is a priority for location-based services (LBS) where applications require an immediate…”
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Mobile Visibility Querying for LBS by Carswell, James D., Gardiner, Keith, Yin, Junjun

“…This article describes research carried out in the area of mobile spatial interaction (MSI) and the development of a 3D mobile version of a 2D web‐based…”
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Spatial Search Techniques for Mobile 3D Queries in Sensor Web Environments by Yin, Junjun, Carswell, James

“…Developing mobile geo-information systems for sensor web applications involves technologies that can access linked geographical and semantically related…”
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Revised ocean backscatter models at C and Ku band under high-wind conditions by Donnelly, William J., Carswell, James R., McIntosh, Robert E., Chang, Paul S., Wilkerson, John, Marks, Frank, Black, Peter G.

“…A series of airborne scatterometer experiments designed to collect C and Ku band ocean backscatter data in regions of high ocean surface winds has recently…”
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IWRAP: the Imaging Wind and Rain Airborne Profiler for remote sensing of the ocean and the atmospheric boundary layer within tropical cyclones by Fernandez, D.E., Kerr, E.M., Castells, A., Carswell, J.R., Frasier, S.J., Chang, P.S., Black, P.G., Marks, F.D.

“…The Imaging Wind and Rain Airborne Profiler (IWRAP) is the first high-resolution dual-band airborne Doppler radar designed to study the inner core of tropical…”
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Frequency Agility Implementation in the Imaging Wind and Rain Airborne Profiler (IWRAP) Instrument by Sapp, Joseph W., Jelenak, Zorana, Chang, Paul S., Carswell, James R.

“…Prior to the 2022 Atlantic hurricane season, a new digital receiver and arbitrary waveform generator, the Tomorrow.io ARENA 522, was integrated with the…”
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Near-Real-Time Significant Wave Heights in Hurricanes from a New Airborne KA-Band Interferometric Altimeter by Sapp, Joseph, Jelenak, Zorana, Chang, Paul, Carswell, James R., Pollard, Brian, Theg, Alex

“…During the 2020 hurricane season, scientists at the National Oceanic and Atmospheric Administration (NOAA)/National Environmental Satellite, Data, and…”
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A High Altitude Airborne Wind Mapping Radar by Carswell, J.R., Heymsfield, G., Lihua Li, Schaubert, D., Creticos, J.

“…Through the NASA Instrument Incubator Program (IIP), NASA, the University of Massachusetts and remote sensing solutions have teamed to design and develop a…”
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Obstructive sleep apnea: Part I. Pathophysiology, diagnosis, and medical management by Carswell, James J, Koenig, Steven M

“…Obstructive sleep disordered breathing (OSDB) is a spectrum of disease resulting from changes in the upper airway. It affects a large proportion of the adult…”
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Airborne Co-polarization and Cross-Polarization Observations of the Ocean-Surface NRCS at C-Band by Sapp, Joseph W., Alsweiss, Suleiman O., Jelenak, Zorana, Chang, Paul S., Frasier, Stephen J., Carswell, James

“…Airborne co-polarization and cross-polarization observations of ocean surface normalized radar cross section (NRCS) were conducted over the North Atlantic…”
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A Modular Terminal Descent Radar for Landing and Proximity Operations by Pollard, Brian D., Carswell, James C.

“…Mars Science Laboratory's unprecedented "sky-crane" landing utilized a new "Terminal Descent Sensor" (TDS), a Ka-band pencil beam radar for high accuracy…”
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The Tomorrow.io Pathfinder Mission: Software-Defined Ka-band Precipitation Radar in Space by Roy, Richard J., Carswell, James, Sanchez-Barbetty, Mauricio, Maese, Timothy, Springmann, John

“…As the first stage in the developmentof a precipitation mapping constellation of microwave radars and sounders,Tomorrow.io is launching two Pathfinder…”
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A Terminal Descent Radar for Landing and Proximity Operations by Pollard, Brian D., Carswell, James R.

“…Mars Science Laboratory's unprecedented "sky-crane" landing utilized a new "Terminal Descent Sensor" (TDS), a Ka-band pencil beam radar for high accuracy…”
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Analysis of C and Ku band ocean backscatter measurements under low-wind conditions by Carswell, James R., Donnelly, William J., McIntosh, Robert E., Donelan, Mark A., Vandemark, Douglas C.

“…Airborne ocean backscatter measurements at C and Ku band wavelengths obtained in low to moderate‐wind conditions are presented. The differences between the…”
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Airborne scatterometers: investigating ocean backscatter under low- and high-wind conditions by Carswell, J.R., Carson, S.C., McIntosh, R.E., Li, F.K., Neumann, G., McLaughlin, D.J., Wilkerson, J.C., Black, P.G., Nghiem, S.V.

“…Attempting to understand and predict weather on a local and global basis has challenged both the scientific and engineering communities. One key parameter in…”
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Salient features of the dual-frequency, dual-polarized, Doppler radar for remote sensing of precipitation by Vega, Manuel A., Chandrasekar, V., Carswell, James, Beauchamp, Robert M., Schwaller, Mathew R., Nguyen, Cuong

“…The global precipitation measurement (GPM) mission is an international satellite mission to obtain accurate observations of precipitation on a global scale…”
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Sketch-Based Image Queries in Topographic Databases by Agouris, Peggy, Stefanidis, Anthony, Carswell, James D

“…In this paper we present the development of a system prototype for sketch-based queries for the content-based retrieval of digital images from topographic…”
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