Search Results - "Arnold, Emily J."
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High-Altitude Radar Measurements of Ice Thickness Over the Antarctic and Greenland Ice Sheets as a Part of Operation IceBridge
Published in IEEE transactions on geoscience and remote sensing (01-02-2013)“…The National Aeronautics and Space Administration (NASA) initiated a program called Operation IceBridge for monitoring critical parts of Greenland and…”
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Journal Article -
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A Compact, Reconfigurable, Multi-UWB Radar for Snow Thickness Evaluation and Altimetry: Development and Field Trials
Published in IEEE journal of selected topics in applied earth observations and remote sensing (2021)“…We developed a portable ultra-wideband radar system capable of reconfigurable operation in multiple frequency bands (separate or simultaneous) spanning from…”
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Journal Article -
3
Sensor-Driven Preliminary Wing Ground Plane Sizing Approach and Applications
Published in International journal of aerospace engineering (01-01-2018)“…Structurally integrated antenna arrays provide synergies allowing the integration of large apertures onto airborne platforms. However, the surrounding airframe…”
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Journal Article -
4
Characterizing Carbon Fiber Conductivity for Structural Antenna Applications
Published in IEEE transactions on antennas and propagation (01-01-2022)“…This study explores the potential applications of carbon fiber composite material for structural antennas. Carbon fiber composite materials provide excellent…”
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Journal Article -
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Advanced Multifrequency Radar Instrumentation for Polar Research
Published in IEEE transactions on geoscience and remote sensing (01-05-2014)“…This paper presents a radar sensor package specifically developed for wide-coverage sounding and imaging of polar ice sheets from a variety of aircraft. Our…”
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Journal Article -
6
Identifying and Compensating for Phase Center Errors in Wing-Mounted Phased Arrays for Ice Sheet Sounding
Published in IEEE transactions on antennas and propagation (01-06-2014)“…Highly crevassed ice surfaces at ice-sheet margins and fast-flowing glaciers significantly scatter radar signals. The scattered signals, often known as surface…”
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Journal Article -
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Comparison of measurements from different radio-echo sounding systems and synchronization with the ice core at Dome C, Antarctica
Published in The cryosphere (01-03-2017)“…We present a compilation of radio-echo sounding (RES) measurements of five radar systems (AWI, BAS, CReSIS, INGV and UTIG) around the EPICA Dome C (EDC) drill…”
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Journal Article -
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Measurements of In-Flight Cross-Track Antenna Patterns of Radar Depth Sounder/Imager
Published in IEEE transactions on antennas and propagation (01-12-2012)“…Antenna arrays with low sidelobes in the cross-track direction are needed for sounding and imaging ice-sheets margins including outlet glaciers. Weak radar…”
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Journal Article -
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Radar Systems for Ice and Snow Measurements Onboard Manned and Unmanned Aircraft
Published in Revista IEEE América Latina (01-09-2018)“…In this paper, we present a brief overview of the state of the art in radar systems for ice and snow measurements. Emphasis is given to the instrumentation…”
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Journal Article -
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A Modified Wideband Dipole Antenna for an Airborne VHF Ice-Penetrating Radar
Published in IEEE transactions on instrumentation and measurement (01-05-2012)“…A 15-element wideband dipole antenna array was developed for operation with the Multichannel Coherent Radar Depth Sounder/Imager on board the National…”
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Journal Article -
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Wing-integrated airborne antenna array beamforming sensitivity to wing deflections
Published in 2018 IEEE Aerospace Conference (01-03-2018)“…For airborne radar, wing-integrated antenna arrays allow for large apertures in the cross-track direction. While large arrays have directivity and beamforming…”
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Conference Proceeding -
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Beamforming sensitivity of airborne distributed arrays to flight tracking and vehicle dynamics
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…In this paper, we identify the beamforming sensitivity of 2D synthesized arrays for Unmanned Aircraft Systems (UAS) based radars generated from closely spaced…”
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Conference Proceeding -
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Structural-electromagnetic simulation coupling tool for airborne antenna arrays
Published in 2017 IEEE Aerospace Conference (01-03-2017)“…This paper describes a tool developed to couple structural and electromagnetic simulations. The motivation for this work is to aid in the design and…”
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Conference Proceeding -
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Development and improvement of airborne remote sensing radar platforms
Published 01-01-2013“…With the recent record ice melt in the Arctic as well as the dramatic changes occurring in the Antarctic, the need and urgency to characterize ice sheets in…”
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Dissertation -
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Development and improvement of airborne remote sensing radar platforms
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Dissertation -
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Effects of Vibration on a Wing-Mounted Ice-Sounding Antenna Array
Published in IEEE antennas & propagation magazine (01-12-2014)“…Airborne sounding of ice sheets requires large, wing-mounted antenna arrays to effectively filter and suppress the surface clutter that often masks weak bed…”
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Magazine Article