Zobrazeno 1 - 10
of 57
pro vyhledávání: '"R.D. Carroll"'
Autor:
J.W. Lacomb, R.D. Carroll
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. 30:575-590
The location of the subsurface top of the chimney formed by the collapse of the cavity resulting from an underground nuclear explosion is examined at five sites at the Nevada Test Site. The chimneys were investigated by drilling, coring, geophysical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0eac86d98fe0bb1001aa66c2d83a55f3
https://doi.org/10.1016/0148-9062(93)91218-8
https://doi.org/10.1016/0148-9062(93)91218-8
Autor:
R.D. Carroll
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts. 30:559-565
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9847eb22c0b6c6f6b00afe4c3ccbaec0
https://doi.org/10.1016/0148-9062(93)92223-d
https://doi.org/10.1016/0148-9062(93)92223-d
Akademický článek
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Publikováno v:
Proceedings., IEEE Ultrasonics Symposium.
A heterojunction acoustic charge transport (HACT) transversal filter with a 3.35- mu s integration time is reported. This is the longest acoustic charge transport device reported to date. The device operates at an acoustic clock frequency of 144 MHz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d27a37591d9cd46c7e3be1aa4ae4a311
https://doi.org/10.1109/ultsym.1989.66984
https://doi.org/10.1109/ultsym.1989.66984
Publikováno v:
IEEE 1988 Ultrasonics Symposium Proceedings..
A brief description of the general acoustic charge transport (ACT) device and the operation of ACT devices is given. The application of GaAs-AlGaAs heterojunctions to ACT technology and the design of heterojunction ACT (HACT) devices is discussed. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59601207e4ac6cbdc807f76121e9befc
https://doi.org/10.1109/ultsym.1988.49357
https://doi.org/10.1109/ultsym.1988.49357
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 41:416-418
Heterostructure Acoustic Charge Transport (HACT) devices have been fabricated with a new nondestructive sense (NDS) electrode structure that provides for the recovery of base-band signals without the use of an integrating capacitor. This electrode st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e47016e932cf95151349de734a83b8e3
https://doi.org/10.1109/58.285479
https://doi.org/10.1109/58.285479
Autor:
E.J. Branciforte, R.D. Carroll, W.D. Hunt, D.E. Cullen, S.W. Merritt, R.N. Sacks, W.J. Tanski
Publikováno v:
IEEE International Digest on Microwave Symposium.
Significant progress has been made recently in the development of heterostructure acoustic charge transport (HACT) technology. The HACT device concept is reviewed, details of the layer structure, monolithic integration, and acoustic performance are d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::600fa0010f05db9d6137f0da9c7ab8c2
https://doi.org/10.1109/mwsym.1990.99773
https://doi.org/10.1109/mwsym.1990.99773
Autor:
A.F.M. Anwar, R.D. Carroll
Publikováno v:
IEEE Conference on Military Communications.
A self-consistent charge control and current-voltage (I-V) characteristics are presented for a pseudomorphic MODFET (AlGaAs/InGaAs/AlGaAs). Poisson's and Schrodinger's equations are solved self-consistently to calculate the areal charge distribution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5a13381a5bd691f7901b55ffbba7b10
https://doi.org/10.1109/milcom.1990.117466
https://doi.org/10.1109/milcom.1990.117466
Autor:
R.D. Carroll, E.J. Branciforte, D.E. Cullen, S.W. Merritt, R.N. Sacks, T.W. Grudkowski, W.J. Tanski
Publikováno v:
IEEE Symposium on Ultrasonics.
Heterojunction acoustic charge transport (HACT) transversal filters have been successfully operated with a charge transport efficiency of 0.9996 for 6- mu s devices and >0.9999 for 3.3 mu s devices with uniform tap weighting. Device delays in excess
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d7136d5d4bc6af6eea85d61731a5da7
https://doi.org/10.1109/ultsym.1990.171356
https://doi.org/10.1109/ultsym.1990.171356
Autor:
D.E. Cullen, W.J. Tanski, S.W. Merritt, R.D. Carroll, R.N. Sacks, E.J. Branciforte, G.A. Peterson
Publikováno v:
IEEE Electron Device Letters. 11:107-109
A heterojunction acoustic-charge-transport (HACT) transversal filter with a 3.35- mu s-long array of output electrodes is discussed. The device operated at an acoustic clock frequency of 143.6 MHz with a charge transfer efficiency in excess of 0.9999
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff1f7461aa34ae18bf789850c44ab207
https://doi.org/10.1109/55.46949
https://doi.org/10.1109/55.46949