Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Thomas W. Zagwodzki"'
Autor:
E. Hoffman, James E. Golder, Maria T. Zuber, Jan F. McGarry, Mark H. Torrence, David D. Rowlands, Thomas W. Zagwodzki, Erwan Mazarico, Xiaoli Sun, Julie Horvath, Gregory A. Neumann, D. Mao, David E. Smith, Michael K. Barker
Publikováno v:
Icarus. 283:55-69
We describe the results of the Laser Ranging (LR) experiment carried out from June 2009 to September 2014 in order to make one-way time-of-flight measurements of laser pulses between Earth-based laser ranging stations and the Lunar Reconnaissance Orb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e908fefc92390e20b76b9c1cdb541fa
https://doi.org/10.1016/j.icarus.2016.07.003
https://doi.org/10.1016/j.icarus.2016.07.003
Autor:
Melanie N. Ott, Maria T. Zuber, Gregory A. Neumann, Adam Matuszeski, Luis Ramos-Izquierdo, Ronald S. Zellar, Igor Kleyner, Xiaoli Sun, David D. Rowlands, Jan F. McGarry, David E. Smith, Mark H. Torrence, Thomas W. Zagwodzki, Richard B. Katz
Publikováno v:
Space Science Reviews. 150:63-80
The objective of the Lunar Reconnaissance Orbiter (LRO) Laser Ranging (LR) system is to collect precise measurements of range that allow the spacecraft to achieve its requirement for precision orbit determination. The LR will make one-way range measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d439802b41056f704629626a8ee7593d
https://doi.org/10.1007/s11214-009-9511-z
https://doi.org/10.1007/s11214-009-9511-z
Autor:
David E. Smith, Joseph A. Connelly, Haris Riris, Melanie N. Ott, Anne Marie Novo-Gradac, Peter Liiva, Erwan Mazarico, Xiaoli Sun, David D. Rowlands, Glenn B. Jackson, Thomas W. Zagwodzki, Carlton Peters, Adam Matuszeski, James C. Smith, V. Stanley Scott, Mark H. Torrence, Gregory A. Neumann, Richard B. Katz, Lawrence Ramsey, John F. Cavanaugh, Joseph Paul Swinski, Luis Ramos-Izquierdo, Jan F. McGarry, Glenn Unger, Anthony W. Yu, Craig Coltharp, George B. Shaw, Maria T. Zuber, Ronald S. Zellar, Stephen Schmidt, Igor Kleyner
Publikováno v:
Space Science Reviews. 150:209-241
The Lunar Orbiter Laser Altimeter (LOLA) is an instrument on the payload of NASA's Lunar Reconnaissance Orbiter spacecraft (LRO) (Chin et al., in Space Sci. Rev. 129:391-419, 2007). The instrument is designed to measure the shape of the Moon by mea-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17b81deff4c31be8ee608b4a30338f85
https://doi.org/10.1007/s11214-009-9512-y
https://doi.org/10.1007/s11214-009-9512-y
Autor:
Jeffrey Livas, Thomas W. Zagwodzki, Jan F. McGarry, Gregory A. Neumann, Philip W. Dabney, Stephen M. Merkowitz
More precise lunar and Martian ranging will enable unprecedented tests of Einstein's theory of general relativity as well as lunar and planetary science. NASA is currently planning several missions to return to the Moon, and it is natural to consider
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1218d79bc49460df9e16a326c4ec890f
https://doi.org/10.1142/9789814261210_0022
https://doi.org/10.1142/9789814261210_0022
Autor:
David E. Smith, Maria T. Zuber, Glenn B. Jackson, John F. Cavanaugh, Gregory A. Neumann, Haris Riris, Xiaoli Sun, Ronald S. Zellar, Craig Coltharp, Joseph Connelly, Richard B. Katz, Igor Kleyner, Peter Liiva, Adam Matuszeski, Erwan M. Mazarico, Jan F. McGarry, Anne-Marie Novo-Gradac, Melanie N. Ott, Carlton Peters, Luis A. Ramos-Izquierdo, Lawrence Ramsey, David D. Rowlands, Stephen Schmidt, V. Stanley Scott, George B. Shaw, James C. Smith, Joseph-Paul Swinski, Mark H. Torrence, Glenn Unger, Anthony W. Yu, Thomas W. Zagwodzki
Publikováno v:
Lunar Reconnaissance Orbiter Mission ISBN: 9781441963901
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4482b37fcfea5f4d8ac11a7c69ddd03
https://doi.org/10.1007/978-1-4419-6391-8_10
https://doi.org/10.1007/978-1-4419-6391-8_10
Autor:
Maria T. Zuber, David E. Smith, Ronald S. Zellar, Gregory A. Neumann, Xiaoli Sun, Richard B. Katz, Igor Kleyner, Adam Matuszeski, Jan F. McGarry, Melanie N. Ott, Luis A. Ramos-Izquierdo, David D. Rowlands, Mark H. Torrence, Thomas W. Zagwodzki
Publikováno v:
Lunar Reconnaissance Orbiter Mission ISBN: 9781441963901
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd9a473b9b929b718c09b8e8a5176138
https://doi.org/10.1007/978-1-4419-6391-8_5
https://doi.org/10.1007/978-1-4419-6391-8_5
Autor:
Jan F. McGarry, Caleb M. Principe, Anthony J. Martino, Jeffrey R. Chen, Stephen M. Merkowitz, Thomas W. Zagwodzki, Wai H. Fong, Michael A. Krainak, Jeffrey F. Ferrara, Philip W. Dabney, Xiaoli Sun
Publikováno v:
SPIE Proceedings.
NASA Goddard Space Flight Center is developing a direct-detection free-space laser communications transceiver test bed. The laser transmitter is a master-oscillator power amplifier (MOPA) configuration using a 1060 nm wavelength laser-diode with a tw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::209e2200dc4a168787df27f39103c38a
https://doi.org/10.1117/12.758654
https://doi.org/10.1117/12.758654
Autor:
Jan F. McGarry, Stephen M. Merkowitz, Jeffrey Livas, Philip W. Dabney, Gregory A. Neumann, Thomas W. Zagwodzki
More precise lunar and Martian ranging will enable unprecedented tests of Einstein's theory of General Relativity and well as lunar and planetary science. NASA is currently planning several missions to return to the Moon, and it is natural to conside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d82ff9505d86e2e4180e43af0c9354f3
Autor:
Gregory A. Neumann, Maria T. Zuber, J. Mcgarry, John F. Cavanaugh, Xiaoli Sun, Thomas W. Zagwodzki, David E. Smith
Publikováno v:
Science (New York, N.Y.). 311(5757)
Here we report timed observations with subnanosecond precision of short laser pulses at a distance of nearly 24 million kilometers between the Mercury Laser Altimeter (MLA) aboard the MESSENGER (MErcury Surface, Space ENvironment, GEochemistry, and R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2ad10020126d5bc78f782eb58e84798
https://pubmed.ncbi.nlm.nih.gov/16400141
https://pubmed.ncbi.nlm.nih.gov/16400141
Autor:
Xiaoli Sun, Gregory A. Neumann, John F. Cavanaugh, David R. Skillman, John J. Degnan, Jan F. McGarry, David E. Smith, Thomas W. Zagwodzki, Maria T. Zuber, D. Barry Coyle
Publikováno v:
Frontiers in Optics.
Using the Mercury Laser Altimeter, a 10-cm laser ranging precision was demonstrated between Earth and the MESSENGER spacecraft over a 24-million-km distance in space.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3539e3f56da80fa588805b7b933450da
https://doi.org/10.1364/fio.2005.pdpb5
https://doi.org/10.1364/fio.2005.pdpb5