Zobrazeno 1 - 10
of 165
pro vyhledávání: '"William R. Deal"'
Autor:
Steven C. Reising, Ben S. Gorospe, William R. Deal, Kevin M. K. H. Leong, Mehmet Ogut, Alex Zamora, Erich Schlecht, Pekka Kangaslahti, Gerry X. B. Mei, Yuriy Goncharenko, Caitlyn M. Cooke
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 11:566-576
In this work, a novel 670-GHz integrated direct-detection receiver using 25-nm InP HEMT technology is presented. This is the first demonstration of an integrated direct-detection radiometer architecture at these frequencies. The receiver exhibits a n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4d8d183c804c2d33f2f3ff7e099ea4e
https://doi.org/10.1109/tthz.2021.3083939
https://doi.org/10.1109/tthz.2021.3083939
Publikováno v:
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b2c4cb437ea6bc1bedf09e2323ce30a
https://doi.org/10.1109/igarss46834.2022.9884105
https://doi.org/10.1109/igarss46834.2022.9884105
Autor:
Steven C. Reising, Pekka Kangaslahti, William R. Deal, Mehmet Ogut, Alan Tanner, Caitlyn M. Cooke
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 11:109-112
In this letter, a novel 1/f noise mitigation technique is presented to improve the receiver 1/f noise performance of a 670 GHz receiver. The time-domain 1/f noise corrected samples are compared with the samples obtained without the correction. The sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9320c408807cb5f6b7a17162f299938
https://doi.org/10.1109/tthz.2020.3036179
https://doi.org/10.1109/tthz.2020.3036179
Autor:
Pekka Kangaslahti, Erich Schlecht, Isaac Ramos, Javier Bosch, Mary Soria, Erika Hernandez, Jonathan Jiang, William R. Deal, Alex Zamora, Kevin Leong, Ben Gorospe, Alfonso Escorcia, Khanh Nguyen, Gerry Mei, Caitlyn Cooke, Maxwell Duffy
Publikováno v:
2022 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09b8a96d67336a61eb4f08f3bd348714
https://doi.org/10.23919/usnc-ursinrsm57467.2022.9881454
https://doi.org/10.23919/usnc-ursinrsm57467.2022.9881454
Autor:
Taylor W. Barton, Dong L. Wu, Khanh Nguyen, William R. Deal, Alfonso Escorcia, Kevin M. K. H. Leong, Jennifer Arroyo, Caitlyn M. Cooke, Xiao Bing Mei
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 67:5191-5201
In this article, a 220-GHz direct detection polarimetric receiver is reported. This polarimetric receiver is intended for sensing of the microphysical properties of cloud ice in the earth’s upper atmosphere. In the article, we report the measured R
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd12f5635b294afe135c3f92239ea569
https://doi.org/10.1109/tmtt.2019.2944908
https://doi.org/10.1109/tmtt.2019.2944908
Autor:
William R. Deal, Kuan Zhang, Alfonso Escorcia, Jennifer Arroyo, Caitlyn M. Cooke, Khanh Nguyen
Publikováno v:
2021 IEEE MTT-S International Microwave Symposium (IMS).
In this work, a WR-1.5 band-pass filter is presented, manufactured using the Polystrata 3D fabrication process. The filter is intended to be integrated into a radiometric receiver to band limit the incoming noise power and encompass an atmospheric sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a78b7f5f75977da2292d5869bcef45d
https://doi.org/10.1109/ims19712.2021.9575005
https://doi.org/10.1109/ims19712.2021.9575005
Autor:
Giovanni De Amici, Jennifer Arroyo, Xiao Bing Mei, William R. Deal, Kevin M. K. H. Leong, Caitlyn M. Cooke, Khanh Nguyen, Dong L. Wu, Alfonso Escorcia, Taylor W. Barton, Cornelis Du Toit
Publikováno v:
2020 IEEE/MTT-S International Microwave Symposium (IMS).
In this work, a 680 GHz direct detection polarimetric receiver for the sensing of cloud ice in the upper atmosphere is presented. The minimum noise figure for the horizontally and vertically polarized channels are 10.5 dB and 10.6 dB, respectively. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f71509f315bb90d9a1f6699a49f4d9d
https://doi.org/10.1109/ims30576.2020.9224036
https://doi.org/10.1109/ims30576.2020.9224036
Autor:
Steven C. Reising, Longtao Wu, K. Franklin Evans, Qing Yue, Erich Schlecht, Jonathan H. Jiang, William R. Deal, Pekka Kangaslahti, Hui Su
Publikováno v:
Earth and Space Science. 4:574-587
This paper describes a forward radiative transfer model and retrieval system (FMRS) for the Tropospheric Water and cloud ICE (TWICE) CubeSat instrument. We use the FMRS to simulate radiances for the TWICE's 14 millimeter- and submillimeter-wavelength
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0255a4b36056df7bfa5af33dbfe2b3a9
https://doi.org/10.1002/2017ea000296
https://doi.org/10.1002/2017ea000296
Autor:
Alexis Zamora, Xiaobing Mei, Khanh Nguyen, Ben S. Gorospe, Wayne H. Yoshida, Jose G. Padilla, William R. Deal, Kevin M. K. H. Leong
Publikováno v:
IEEE Transactions on Terahertz Science and Technology. 7:466-475
This paper reports on development of 850 GHz band receiver and transmitter front-ends using a new generation of 25 nm indium phosphide high electron mobility transistor engineered for high maximum frequency of oscillation f MAX and cut-off frequency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::858b5748297afa07dc43cdfc29f1f671
https://doi.org/10.1109/tthz.2017.2710632
https://doi.org/10.1109/tthz.2017.2710632
Autor:
William R. Deal, Mikko Varonen, Andy Fung, Richard Lai, Goutam Chattopadhyay, Xiaobing B. Mei, Lorene Samoska, Jacob Kooi, Theodore Reck, Rodrigo Reeves, Robert Jarnot, Nathaniel J. Livesey
Publikováno v:
Kooi, J W, Reck, T J, Reeves, R A, Fung, A K, Samoska, L A, Varonen, M, Deal, W R, Mei, X B, Lai, R, Jarnot, R F, Livesey, N J & Chattopadhyay, G 2017, ' Submillimeter InP MMIC Low-Noise Amplifier Gain Stability Characterization ', IEEE Transactions on Terahertz Science and Technology, vol. 7, no. 3, 7911360, pp. 335-346 . https://doi.org/10.1109/TTHZ.2017.2688861
Millimeter and submillimeter indium phosphide (InP) microwave monolithic integrated circuits (MMICs) are increasingly used in applications spanning Earth science, astrophysics, and defense. In this paper, we characterize direct detection and heterody
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8274e7500ae816893ccff7864c395b7c
http://juuli.fi/Record/0284354217
http://juuli.fi/Record/0284354217