Search Results - "Harvey, Nate"

Extending the Global Mass Change Data Record: GRACE Follow‐On Instrument and Science Data Performance by Landerer, Felix W., Flechtner, Frank M., Save, Himanshu, Webb, Frank H., Bandikova, Tamara, Bertiger, William I., Bettadpur, Srinivas V., Byun, Sung Hun, Dahle, Christoph, Dobslaw, Henryk, Fahnestock, Eugene, Harvey, Nate, Kang, Zhigui, Kruizinga, Gerhard L. H., Loomis, Bryant D., McCullough, Christopher, Murböck, Michael, Nagel, Peter, Paik, Meegyeong, Pie, Nadege, Poole, Steve, Strekalov, Dmitry, Tamisiea, Mark E., Wang, Furun, Watkins, Michael M., Wen, Hui‐Ying, Wiese, David N., Yuan, Dah‐Ning

“…Since June, 2018, the Gravity Recovery and Climate Experiment Follow‐On (GRACE‐FO) is extending the 15‐year monthly mass change record of the GRACE mission,…”
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GipsyX/RTGx, a new tool set for space geodetic operations and research by Bertiger, Willy, Bar-Sever, Yoaz, Dorsey, Angie, Haines, Bruce, Harvey, Nate, Hemberger, Dan, Heflin, Michael, Lu, Wenwen, Miller, Mark, Moore, Angelyn W., Murphy, Dave, Ries, Paul, Romans, Larry, Sibois, Aurore, Sibthorpe, Ant, Szilagyi, Bela, Vallisneri, Michele, Willis, Pascal

“…GipsyX/RTGx is the Jet Propulsion Laboratory’s (JPL) next generation software package for positioning, navigation, timing, and Earth science using measurements…”
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The JPL lunar gravity field to spherical harmonic degree 660 from the GRAIL Primary Mission by Konopliv, Alex S., Park, Ryan S., Yuan, Dah-Ning, Asmar, Sami W., Watkins, Michael M., Williams, James G., Fahnestock, Eugene, Kruizinga, Gerhard, Paik, Meegyeong, Strekalov, Dmitry, Harvey, Nate, Smith, David E., Zuber, Maria T.

“…The lunar gravity field and topography provide a way to probe the interior structure of the Moon. Prior to the Gravity Recovery and Interior Laboratory (GRAIL)…”
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Recovering Differential Forces From the GRACE‐D Accelerometer by Harvey, Nate, Bertiger, Willy, McCullough, Christopher M., Miller, Mark, Save, Himanshu, Yuan, Dah‐Ning

“…The reduction of non‐gravitational accelerations through an onboard accelerometer is a vital part of accurately estimating gravity fields for Gravity Recovery…”
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Realizing a terrestrial reference frame using the Global Positioning System by Haines, Bruce J., Bar-Sever, Yoaz E., Bertiger, Willy I., Desai, Shailen D., Harvey, Nate, Sibois, Aurore E., Weiss, Jan P.

“…We describe a terrestrial reference frame (TRF) realization based on Global Positioning System (GPS) data alone. Our approach rests on a highly dynamic,…”
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GRACE star camera noise by Harvey, Nate

“…Extending results from previous work by Bandikova et al. (2012) and Inacio et al. (2015), this paper analyzes Gravity Recovery and Climate Experiment (GRACE)…”
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Results from a GRACE/GRACE-FO attitude reconstruction Kalman filter by Harvey, Nate, Sakumura, Carly

“…This paper outlines JPL’s V03 GRACE attitude processing strategy, characterizes the accelerometer angular measurement error profile, analyzes impact upon GRACE…”
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Modeling GRACE-FO accelerometer data for the version 04 release by Harvey, Nate, McCullough, Christopher M., Save, Himanshu

“…GRACE and GRACE-FO require the reduction of non-gravitational accelerations, through an onboard accelerometer, to accurately estimate variations in the Earth’s…”
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Single receiver phase ambiguity resolution with GPS data by Bertiger, Willy, Desai, Shailen D., Haines, Bruce, Harvey, Nate, Moore, Angelyn W., Owen, Susan, Weiss, Jan P.

“…Global positioning system (GPS) data processing algorithms typically improve positioning solution accuracy by fixing double-differenced phase bias ambiguities…”
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High-resolution lunar gravity fields from the GRAIL Primary and Extended Missions by Konopliv, Alex S., Park, Ryan S., Yuan, Dah-Ning, Asmar, Sami W., Watkins, Michael M., Williams, James G., Fahnestock, Eugene, Kruizinga, Gerhard, Paik, Meegyeong, Strekalov, Dmitry, Harvey, Nate, Smith, David E., Zuber, Maria T.

“…The resolution and accuracy of the lunar spherical harmonic gravity field have been dramatically improved as a result of the Gravity Recovery and Interior…”
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The Scientific Measurement System of the Gravity Recovery and Interior Laboratory (GRAIL) Mission by Asmar, Sami W., Konopliv, Alexander S., Watkins, Michael M., Williams, James G., Park, Ryan S., Kruizinga, Gerhard, Paik, Meegyeong, Yuan, Dah-Ning, Fahnestock, Eugene, Strekalov, Dmitry, Harvey, Nate, Lu, Wenwen, Kahan, Daniel, Oudrhiri, Kamal, Smith, David E., Zuber, Maria T.

“…The Gravity Recovery and Interior Laboratory (GRAIL) mission to the Moon utilized an integrated scientific measurement system comprised of flight, ground,…”
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An evaluation of solar radiation pressure strategies for the GPS constellation by Sibthorpe, Ant, Bertiger, Willy, Desai, Shailen D., Haines, Bruce, Harvey, Nate, Weiss, Jan P.

“…The subtle effects of different Global Positioning System (GPS) satellite force models are becoming apparent now that mature processing strategies are reaching…”
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Sub-Centimeter Precision Orbit Determination with GPS for Ocean Altimetry by Bertiger, Willy, Desai, Shailen D., Dorsey, Angie, Haines, Bruce J., Harvey, Nate, Kuang, Da, Sibthorpe, Ant, Weiss, Jan P.

“…We assess the accuracy of JPL's estimated OSTM/Jason-2 Global Positioning System (GPS)-determined orbits based on residuals to independent satellite laser…”
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Universal finitary codes with exponential tails by Harvey, Nate, Holroyd, Alexander E., Peres, Yuval, Romik, Dan

“…In 1977, Keane and Smorodinsky showed that there exists a finitary homomorphism from any finite-alphabet Bernoulli process to any other finite-alphabet…”
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An innovative direct measurement of the GRAIL absolute timing of Science Data by Oudrhiri, Kamal, Asmar, Sami, Esterhuizen, Stephan, Goodhart, Charles, Harvey, Nate, Kahan, Daniel, Kruizinga, Gerhard, Meegyeong Paik, Dong Shin, White, Leslie

“…The Gravity Recovery and Interior Laboratory (GRAIL), a NASA Discovery mission, twin spacecraft were launched on 10 September 2012 and were inserted into lunar…”
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NASA's Cold Atom Laboratory: Four Years of Quantum Science Operations in Space by Oudrhiri, Kamal, Kohel, James M, Harvey, Nate, Kellogg, James R, Aveline, David C, Butler, Roy L, Bosch-Lluis, Javier, Callas, John L, Cheng, Leo Y, Croonquist, Arvid P, Dula, Walker L, Elliott, Ethan R, Fernandez, Jose E, Gonzales, Jorge, Higuera, Raymond J, Javidnia, Shahram, Kwan, Sandy M, Lay, Norman E, Lee, Dennis K, Li, Irena, Miles, Gregory J, Pauken, Michael T, Perry, Kelly L, Phillips, Leah E, Malarik, Diane C, Griffin, DeVon W, Carpenter, Bradley M, Robinson, Michael P, Rees, Kirt Costello Sarah K, Sbroscia, Matteo S, Schneider, Christian, Shotwell, Robert F, Shin, Gregory Y, Tran, Cao V, William, Michel E, Williams, Jason R, Yang, Oscar, Yu, Nan, Thompson, Robert J

“…The Cold Atom Laboratory (CAL) is a quantum facility for studying ultra-cold gases in the microgravity environment of the International Space Station. It…”
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GipsyX/RTGx, A New Tool Set for Space Geodetic Operations and Research by Bertiger, Willy, Bar-Sever, Yoaz, Dorsey, Angie, Haines, Bruce, Harvey, Nate, Hemberger, Dan, Heflin, Michael, Lu, Wenwen, Miller, Mark, Moore, Angelyn W, Murphy, Dave, Ries, Paul, Romans, Larry, Sibois, Aurore, Sibthorpe, Ant, Szilagyi, Bela, Vallisneri, Michele, Willis, Pascal

“…GipsyX/RTGx is the Jet Propulsion Laboratory's (JPL) next generation software package for positioning, navigation, timing, and Earth science using measurements…”
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Radio Detection of Ultra-high Energy Cosmic Rays with Low Lunar Orbiting SmallSats by Romero-Wolf, Andrés, Alvarez-Muñiz, Jaime, Anchordoqui, Luis A, Bergman, Douglas, CarvalhoJr, Washington, Cummings, Austin L, Gorham, Peter, Handmer, Casey J, Harvey, Nate, Krizmanic, John, Nishimura, Kurtis, Prechelt, Remy, Reno, Mary Hall, Schoorlemmer, Harm, Varner, Gary, Venters, Tonia, Wissel, Stephanie, Zas, Enrique

“…Ultra-high energy cosmic rays (UHECRs) are the most energetic particles observed and serve as a probe of the extreme universe. A key question to understanding…”
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An invariant of finitary codes with finite expected square root coding length by Harvey, Nate, Peres, Yuval

“…Let $p$ and $q$ be probability vectors with the same entropy $h$. Denote by $B(p)$ the Bernoulli shift indexed by $\Z$ with marginal distribution $p$. Suppose…”
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Universal finitary codes with exponential tails by Harvey, Nate, Holroyd, Alexander E, Peres, Yuval, Romik, Dan

“…In 1977, Keane and Smorodinsky showed that there exists a finitary homomorphism from any finite-alphabet Bernoulli process to any other finite-alphabet…”
Get full text