Zobrazeno 1 - 10
of 173
pro vyhledávání: '"J.F. Vetelino"'
Autor:
Z. Zhang, J.F. Vetelino
Publikováno v:
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control. 48:773-778
A variety of quartz thickness shear mode (TSM) resonant sensors with different electrode configurations have been designed, fabricated, and tested in liquids for probing liquid electrical property changes. The resonant frequency of the sensors was fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3def23c93b9982104822d645b88b59d4
https://doi.org/10.1109/58.920710
https://doi.org/10.1109/58.920710
Publikováno v:
Proceedings of International Frequency Control Symposium.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c65e1a0a523fd7b054585e78a17d3a02
https://doi.org/10.1109/freq.1997.638534
https://doi.org/10.1109/freq.1997.638534
Autor:
J.F. Vetelino, Chao Zhang
Publikováno v:
2001 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.01CH37263).
The impedance of thickness shear mode (TSM) quartz resonators, which are very sensitive to the liquid electrical property changes, has been investigated. Resonators with a ring shape electrode were exposed to a NaCl solution of varying concentrations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e03db8e3cc5fa04e279a6a00f3dc70b
https://doi.org/10.1109/ultsym.2001.991639
https://doi.org/10.1109/ultsym.2001.991639
Autor:
Chao Zhang, J.F. Vetelino
Publikováno v:
Proceedings of the 2001 IEEE International Frequncy Control Symposium and PDA Exhibition (Cat. No.01CH37218).
A thickness shear mode (TSM) bulk acoustic wave (BAW) sensor for liquid electrical property (conductivity and dielectric constant) measurements is presented. This sensor, which is configured as a resonator structure, employs a sensing electrode geome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a19599c5c8c4785fbc570c12c1b1388
https://doi.org/10.1109/freq.2001.956336
https://doi.org/10.1109/freq.2001.956336
Autor:
J.F. Vetelino, Chao Zhang
Publikováno v:
2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121).
A variety of quartz thickness shear mode (TSM) resonant sensors with different electrode configurations have been designed, fabricated and tested in liquids for probing the electrical property changes. The resonance frequency of the sensors was found
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::603c4873659aeab7938702b44709977c
https://doi.org/10.1109/ultsym.2000.922586
https://doi.org/10.1109/ultsym.2000.922586
Publikováno v:
Solid State Communications. 20:39-44
The phonon densities of states and combined dispersion relations in the principal directions for two-phonon and one-phonon second order processes have been calculated for solid neon, argon, krypton and xenon. Our results agree very well with independ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::725d39d1c0e22d36fbaacabb7f4b7b98
https://doi.org/10.1016/0038-1098(76)91694-x
https://doi.org/10.1016/0038-1098(76)91694-x
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. :11-16
The problem of detecting target signals in an ocean environment using active sonar is complicated by the nonstationary background which usually consists of both ambient ocean noise and reverberation. on. In this paper a signal processing system capab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d1badd1fcae24337e44a38502e9465e2
https://doi.org/10.1109/taes.1977.308375
https://doi.org/10.1109/taes.1977.308375
Publikováno v:
IEEE Transactions on Education. 32:343-348
A program for student design projects involving the University of Maine (UM) and the MITRE Corporation is presented. In this program, students are required to complete MITRE-originated design projects satisfactorily in order to graduate. Both electri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b0c1946fd987968559edf08a7591262
https://doi.org/10.1109/13.34167
https://doi.org/10.1109/13.34167
Publikováno v:
Solid State Communications. 7:1809-1812
The dispersion curves for the lattice vibrations in cubic ZnS have been calculated using a rigid ion model. The TA (L) branch compares well with the same determined from Raman measurements on polytypes. Also reasonable agreement is obtained with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8bf26bc6c54363a04507e5deb9bd4cf
https://doi.org/10.1016/0038-1098(69)90291-9
https://doi.org/10.1016/0038-1098(69)90291-9
Publikováno v:
Journal of Physics and Chemistry of Solids. 32:2737-2747
A mathematical model which employs a Green's function technique in the mass defect approximation is utilized to calculate the lattice dynamics of the imperfect crystal. This model makes direct use of the eigenfrequencies and eigenamplitudes of vibrat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82e119a6700c86fc4ca21520a54d223e
https://doi.org/10.1016/s0022-3697(71)80365-7
https://doi.org/10.1016/s0022-3697(71)80365-7