Zobrazeno 1 - 8
of 8
pro vyhledávání: '"J Nelson Wright"'
Publikováno v:
International journal of radiation oncology, biology, physics. 72(1)
Purpose: To determine position and velocity-dependent effects in the overall accuracy of the Calypso Electromagnetic localization system, under conditions that emulate transponder motion during normal free breathing. Methods and Materials: Three loca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a337b1d4eadd6aefcc016a55ab4e733
https://pubmed.ncbi.nlm.nih.gov/18722280
https://pubmed.ncbi.nlm.nih.gov/18722280
Autor:
Dale W. Litzenberg, Patrick A. Kupelian, Lynn M. Purdy, James M. Balter, J. Nelson Wright, Jean Pouliot, Edward J. Vertatschitsch, Twyla R. Willoughby, Howard M. Sandler, L. Levine, Mack Roach
Publikováno v:
European Oncology & Haematology. :1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f4e68e9d2a6f696f215a259a5fd6aa7
https://doi.org/10.17925/eoh.2005.0.0.1h
https://doi.org/10.17925/eoh.2005.0.0.1h
Publikováno v:
The Journal of the Acoustical Society of America. 103:2266
The present invention includes a fully programmable plurality of multi-channel receivers, each receiver having a digital multi-channel receive processor and a local processor control. Each receive processor includes a first decimator, time delay memo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9baa50bad5695411e08284bb647524d
https://doi.org/10.1121/1.422743
https://doi.org/10.1121/1.422743
Autor:
Donald R. Langdon, David J. Finger, Jay S. Plugge, Brian M. Normand, J Nelson Wright, Ismayil M. Guracar, D. Grant Fash
Publikováno v:
The Journal of the Acoustical Society of America. 102:688
The invention provides a method and system for adaptive persistence processing in an ultrasound imaging system. Acoustic signals are temporally filtered using an adaptive persistence filter, having a recursive stage followed by a nonrecursive stage.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5cbf6791a44e95b2082ab5265d6cf2ad
https://doi.org/10.1121/1.421034
https://doi.org/10.1121/1.421034
Publikováno v:
The Journal of the Acoustical Society of America. 101:3238
A method and an apparatus are provided for dynamic, real-time adaptive focusing for ultrasound imaging. Aberration delay correction values, corresponding to an aberration region in an imaged subject, are measured concurrently during B-mode imaging sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d2219ca835c82559b5ac9a88f858eba
https://doi.org/10.1121/1.418392
https://doi.org/10.1121/1.418392
Publikováno v:
The Journal of the Acoustical Society of America. 101:2432
A method and an apparatus are provided for storage and retrieval of measured aberration correction values used in adaptive focus ultrasound imaging. The aberration correction values, corresponding to an aberration region in an imaged subject, are mea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b33a1f2ffe8f08a3acadd9e46f65463d
https://doi.org/10.1121/1.418533
https://doi.org/10.1121/1.418533
Publikováno v:
The Journal of the Acoustical Society of America. 101:2431
Method for scanning a field of view using a scan format, wherein the carrier frequency of the imaging pulse is higher in the center of the field of view than at the edges. The frequency variation can be accomplished on transmit by modulating appropri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db09cc8392bfdddfd6597a65bb83ac25
https://doi.org/10.1121/1.419281
https://doi.org/10.1121/1.419281
Autor:
J. Nelson Wright
The design, construction, and measurement of weight circuits utilizing four-quadrant transconductance multiplication is described. The weights operate over a 10 MHz band centered at 121.4 MHz. (Author)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87231aa50ca41110dee0357cd82329a0
https://doi.org/10.21236/ada081796
https://doi.org/10.21236/ada081796
