Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Eastwood Im"'
Autor:
Shuoqi Chen, Seth Sin, Sidharth Misra, Yu Cao, Andy Fung, Pekka Kangaslahti, Michael Tsai, James Hoffman, Alejandro Peralta, Mary Soria, Eastwood Im, Lorene Samoska, Shannon Brown, Robert Lin, Chunsik Chae
Publikováno v:
2021 IEEE Aerospace Conference (50100).
We have been developing gallium nitride (GaN) monolithic microwave integrated circuits (MMICs) towards the goal of implementing a single chip transceiver frontend for cloud radar arrays at Ka-band. We present our first effort design, fabrication and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e0b281d68c0fb51ba26dc06ce541a3b4
https://doi.org/10.1109/aero50100.2021.9438411
https://doi.org/10.1109/aero50100.2021.9438411
Autor:
Sidharth Misra, Eastwood Im, Chun Sik Chae, Shuoqi Chen, Andy Fung, Mary Soria, Seth Sin, Alejandro Peralta, Robert Lin, Lorene Samoska, Shannon Brown, James Hoffman, Michael Tsai, Yu Cao
Publikováno v:
RWS
We are developing Ka-band gallium nitride (GaN) monolithic microwave integrated circuits (MMICs) for a compact transceiver frontend. We present the design, fabrication and test results of a GaN power amplifier (PA), low noise amplifier (LNA), and sin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8b5c537393c7e7f71325bac010973e9
https://doi.org/10.1109/rws50353.2021.9360324
https://doi.org/10.1109/rws50353.2021.9360324
Autor:
Eva Peral, Eastwood Im, Robert M. Beauchamp, Simone Tanelli, Raquel Monje, Mauricio Sanchez-Barbetty
Publikováno v:
2020 IEEE Radar Conference (RadarConf20).
The multidimensional challenge of observing cloud and precipitation processes from space has motivated and focused a number of technological developments in the last decade. They span from novel compact instrument architectures to modular millimeter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad6c98234d2f5f0252d9eda36d972a58
https://doi.org/10.1109/radarconf2043947.2020.9266437
https://doi.org/10.1109/radarconf2043947.2020.9266437
Autor:
Travis Imken, Simone Tanelli, David Hawkins, Lauren Wye, Eva Peral, Jim Hoffman, Simon Lee, Stephen Horst, Sang-Ho Yun, Yahya Rahmat-Samii, Eastwood Im
Publikováno v:
Proceedings of the IEEE. 106:404-418
Space-based radar observations have transformed our understanding of Earth over the last several decades. Driven by increasingly complex science questions, space radar missions have grown ever more sophisticated with costs rising often to hundreds of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cf3710901f893d52f0c5ede370de0aa
https://doi.org/10.1109/jproc.2018.2793179
https://doi.org/10.1109/jproc.2018.2793179
Autor:
Shivani Joshi, Douglas Price, Jonathan Sauder, Travis Imken, Eastwood Im, Shannon Statham, Eva Peral, Nacer Chahat, Simone Tanelli, Austin Williams
Publikováno v:
IGARSS
RainCube (Radar in a CubeSat) is a technology demonstration mission to enable Ka-band precipitation radar technologies on a low-cost, quick-turnaround platform. The 6U CubeSat currently in orbit features a radar payload built by the Jet Propulsion La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3848bf3977dc387a783bd885e7a2b661
https://doi.org/10.1109/igarss.2019.8898687
https://doi.org/10.1109/igarss.2019.8898687
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2e361acc929378af80584f09175ff6b
https://doi.org/10.23919/ursiap-rasc.2019.8738179
https://doi.org/10.23919/ursiap-rasc.2019.8738179
Autor:
Travis Imken, Eva Peral, Simone Tanelli, Nacer Chahat, Austin Williams, Shannon Statham, Jonathan Sauder, Eastwood Im, Douglas Price
Publikováno v:
IGARSS
RainCube (Radar in a CubeSat) is a technology demonstration mission to enable Ka-band precipitation radar technologies on a low-cost, quick-turnaround platform. The mission is manifested for an ISS deployment with the ELaNa-23 launch, currently sched
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1bdf5d06e08136b50d1ae68c880c463
https://doi.org/10.1109/igarss.2018.8519194
https://doi.org/10.1109/igarss.2018.8519194
Autor:
Simone Tanelli, G. Sadowy, Eastwood Im, Ziad S. Haddad, Mauricio Sanchez-Barbetty, Ousmane O. Sy, Eva Peral, Stephen L. Durden
Publikováno v:
2018 IEEE Radar Conference (RadarConf18).
Two decades of spaceborne cloud and precipitation radar data provided by the TRMM's Precipitation Radar (PR) [1], CloudSat's Cloud Profiling Radar (CPR) [2,3] and GPM's Dual-frequency Precipitation Radar (DPR) [4] have enabled unprecedented advanceme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42eba3d8e8c77f74287d91dfc54bc83a
https://doi.org/10.1109/radar.2018.8378741
https://doi.org/10.1109/radar.2018.8378741
Publikováno v:
International Conference on Radar Systems (Radar 2017).
NASA’s Earth Science Technology Office (ESTO) is currently developing advanced instrument concepts and technologies for the next generation of spaceborne atmospheric radars for clouds and precipitation measurements. Two representative examples are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::578944a9ae4472649a893a716118aa3a
https://doi.org/10.1049/cp.2017.0446
https://doi.org/10.1049/cp.2017.0446
Publikováno v:
Remote Sensing of the Atmosphere, Clouds, and Precipitation VI.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::510b775c599d99c8de1dc2fd3a3a214e
https://doi.org/10.1117/12.2231221
https://doi.org/10.1117/12.2231221