Search Results - "Gogineni, S. Prasad"

A Miniaturized Ultra-Wideband Radar for UAV Remote Sensing Applications by Abushakra, Feras, Jeong, Nathan, Elluru, Deepak N., Awasthi, Abhishek K., Kolpuke, Shriniwas, Luong, Tuan, Reyhanigalangashi, Omid, Taylor, Drew, Gogineni, S. Prasad

“…This letter presents a novel approach to build a compact lightweight unmanned aerial vehicle (UAV) radar for remote sensing applications. The proposed radar…”
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Holocene deceleration of the Greenland Ice Sheet by MacGregor, Joseph A., Colgan, William T., Fahnestock, Mark A., Morlighem, Mathieu, Catania, Ginny A., Paden, John D., Gogineni, S. Prasad

“…Recent peripheral thinning of the Greenland Ice Sheet is partly offset by interior thickening and is overprinted on its poorly constrained Holocene evolution…”
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Ultra-Wideband Coplanar Vivaldi Antenna Array With Dielectric Patch Antenna for Grating Lobes Suppression by Abushakra, Feras, Jeong, Nathan, Awasthi, Abhishek K., Kolpuke, Shriniwas, Simpson, Christopher, Reyhanigalangashi, Omid, Elluru, Deepak N., Bhandari, Aabhash, Taylor, Drew, Gogineni, S. Prasad

“…This paper details a new approach for enhancing the radiation characteristics of a coplanar Vivaldi antenna (CVA) array. First, the inter-element mutual…”
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Radiostratigraphy and age structure of the Greenland Ice Sheet by MacGregor, Joseph A., Fahnestock, Mark A., Catania, Ginny A., Paden, John D., Prasad Gogineni, S., Young, S. Keith, Rybarski, Susan C., Mabrey, Alexandria N., Wagman, Benjamin M., Morlighem, Mathieu

“…Several decades of ice‐penetrating radar surveys of the Greenland and Antarctic ice sheets have observed numerous widespread internal reflections. Analysis of…”
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Snow Depth Measurements with Ultra-Wideband Compact FMCW Radar on a small Unmanned Aircraft System by Abushakra, Feras, Kolpuke, Shriniwas, Simpson, Christopher, Reyhanigalangashi, Omid, Pierce, Jacob, Jeong, Nathan, Larson, Jordan, Braaten, David, Taylor, Drew, Gogineni, S. Prasad

“…This paper presents results from a field deployment of a small Unmanned Aircraft System (sUAS) radar in Colorado-Grand Mesa during Spring-2022 for measurements…”
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A synthesis of the basal thermal state of the Greenland Ice Sheet by MacGregor, Joseph A., Fahnestock, Mark A., Catania, Ginny A., Aschwanden, Andy, Clow, Gary D., Colgan, William T., Gogineni, S. Prasad, Morlighem, Mathieu, Nowicki, Sophie M. J., Paden, John D., Price, Stephen F., Seroussi, Hélène

“…The basal thermal state of an ice sheet (frozen or thawed) is an important control upon its evolution, dynamics, and response to external forcings. However,…”
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Isochronous information in a Greenland ice sheet radio echo sounding data set by Sime, Louise C., Karlsson, Nanna B., Paden, John D., Prasad Gogineni, S.

“…The evaluation of ice sheet models is one of the pressing problems in the study of ice sheet dynamics. Here we examine the question of how much isochronous…”
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Ultra-Wideband Patch Antenna Array With an Inclined Proximity Coupled Feed for Small Unmanned Aircraft RADAR Applications by Awasthi, Abhishek K., Simpson, Christopher D., Kolpuke, Shriniwas, Luong, Tuan D., Yan, Jie-Bang, Taylor, Drew, Gogineni, S. Prasad

“…This paper the design of a lightweight and compact patch antenna array with an inclined proximity coupled feed. The antenna array is designed for operation on…”
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Impact of breeder seed multiplication and certified quality seed distribution on rice production in India by Prasad, Gogineni S. V., Rao, Chilukuri S., Suneetha, Kota, Muralidharan, Kalambur, Siddiq, E. A.

“…Abstract Background The All India Coordinated Rice Improvement Project (AICRIP) organizes multi-location tests (METs) with new genotypes from breeding…”
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Airborne Multichannel UWB FMCW Radar for Snow Depth Measurements by Kolpuke, Shriniwas, Abushakra, Feras, Gogineni, S. Prasad, Braaten, David, Taylor, Drew, Larson, Jordan D., Rapadas, Allain, Luong, Tuan

“…We developed a high-sensitivity airborne multichannel ultrawideband (UWB) frequency-modulated continuous-wave (FMCW) radar for snow depth measurements. This…”
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Grain yield performance of hybrid rice in relation to inbred cultivars in long‐term multi‐environment tests in India by Muralidharan, Kalambur, Prasad, Gogineni S. V., Rao, Chilukuri S., Sridhar, Ranganathan, Siddiq, Ebrahim A.

“…We analyzed the yield data of 2,070 rice hybrid F1 genotypes with inbred local cultivars (ILCv) evaluated over 32 yr (from 1988 to 2019) in 2,376…”
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Coplanar Side-Fed Tightly Coupled Ultra-Wideband Array for Polar Ice Sounding by Li, Linfeng, Yan, Jie-Bang, O'Neill, Charles, Simpson, Christopher D., Gogineni, Prasad

“…We describe a planar ultra-wideband (UWB) dual-polarized tightly coupled bowtie antenna array for ground-based polar ice sounding radar. The array operates…”
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Extensive liquid meltwater storage in firn within the Greenland ice sheet by Forster, Richard R., Box, Jason E., van den Broeke, Michiel R., Miège, Clément, Burgess, Evan W., van Angelen, Jan H., Lenaerts, Jan T. M., Koenig, Lora S., Paden, John, Lewis, Cameron, Gogineni, S. Prasad, Leuschen, Carl, McConnell, Joseph R.

“…Surface melt water from the Greenland ice sheet can become trapped in firn, delaying its journey to the sea. Radar and ice-core observations provide direct…”
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Airborne UWB FMCW Radar for Snow Depth Measurements by Kolpuke, Shriniwas, Simpson, Christopher D., Abushakra, Feras, Awasthi, Abhishek K., Reyhanigalangashi, Omid, Pierce, Jacob, Luong, Tuan, Larson, Jordan, Taylor, Drew, Braaten, David, Gogineni, S. Prasad

“…We developed and deployed a high sensitivity and low transmit power airborne ultra wide band (UWB) frequency-modulated continuous-wave (FMCW) radar for snow…”
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Radar attenuation and temperature within the Greenland Ice Sheet by MacGregor, Joseph A., Li, Jilu, Paden, John D., Catania, Ginny A., Clow, Gary D., Fahnestock, Mark A., Gogineni, S. Prasad, Grimm, Robert E., Morlighem, Mathieu, Nandi, Soumyaroop, Seroussi, Hélène, Stillman, David E.

“…The flow of ice is temperature‐dependent, but direct measurements of englacial temperature are sparse. The dielectric attenuation of radio waves through ice is…”
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Extensive liquid meltwater storage in firn within the Greenland ice sheet by Forster, Richard R., Box, Jason E., van den Broeke, Michiel R., Miège, Clément, Burgess, Evan W., van Angelen, Jan H., Lenaerts, Jan T. M., Koenig, Lora S., Paden, John, Lewis, Cameron, Gogineni, S. Prasad, Leuschen, Carl, McConnell, Joseph R.

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Unusual surface morphology from digital elevation models of the Greenland Ice Sheet by Ekholm, Simon, Keller, Kristian, Bamber, Jonathan L., Gogineni, S. Prasad

“…In this study of the North Greenland ice sheet, we have used digital elevation models to investigate the topographic signatures of a large ice flow feature…”
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High-Sensitivity Transceiver for Airborne Ultra-Wideband Radio Echo Sounding of Polar Regions by Kumar Awasthi, Abhishek, Taylor, Drew, Kolpuke, Shriniwas, Reyhanigalangashi, Omid, Vanderburgh, Leo, Elluru, Deepak, O'Neill, Charles, Chung, Changhyun, Lee, Joohan, Gogineni, S. Prasad

“…This paper presents the design and development of a high-sensitivity ultra-wideband radar for sounding and imaging 5-km thick polar ice. The design is…”
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Airborne Multi-channel UWB FMCW Radar for Snow Depth Measurements by Kolpuke, Shriniwas, Abushakra, Feras, Gogineni, S. Prasad, Braaten, David, Taylor, Drew, Larson, Jordan, Rapadas, Allain, Luong, Tuan

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Design of an Absorptive High-Power PIN Diode Switch for an Ultra-Wideband Radar by Elluru, Deepak, Awasthi, Abhishek, Gogineni, Prasad, Taylor, Drew, Shahabi, Ali, Lemmon, Andrew, Chung, Changhyun, Lee, Joohan

“…This paper details the development of a low-loss, PIN diode single-pole double-throw (SPDT) absorptive switch for an ultra-wideband radar. The fabricated…”
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