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Eddy Current Rail Inspection Using AC Bridge Techniques

Ze Liu, Andrew D. Koffman, Bryan C. Waltrip, Yicheng Wang
2013 Journal of Research of the National Institute of Standards and Technology  
Moving The control program for the experimental setup is written in C++ with the user interface as shown in Fig. 5 .  ...  The digital lock-in amplifier algorithm is realized as shown in Fig. 3 The internal orthogonal signal calculation, multiplier, and low pass filter (LPF) blocks are realized using C++ programming.  ... 
doi:10.6028/jres.118.007 pmid:26401427 pmcid:PMC4508841 fatcat:rkglq2x4ongpfjwmn2sp55yvsy

A Comparison Between the NIST PJVS-Based Power Standard and the NRC Current- Comparator-Based Power Standard

Bryan C. Waltrip, Thomas L. Nelson, Eddy So, David Angelo
2015 IEEE Transactions on Instrumentation and Measurement  
lang=fr L'accès à ce site Web et l'utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D'UTILISER CE SITE WEB.
doi:10.1109/tim.2014.2329386 fatcat:kl57daxoifa5zjja52g5q4tysa

Page 28 of Southern Medical Journal Vol. 27, Issue 3 [page]

1934 Southern Medical Journal  
The Bryan County Medical Society has elected the following officers for 1934: Dr. H. B. Fuston, Bokchito, President; Dr, Charles G. Price, Durant, Vice-President ; and Dr.  ...  Waltrip, formerly of Coweta, has moved to Yale. The Beckham County Medical Society has elected the follow- ing officers for 1934: Dr. H. K. Speed, Sayre, President; Dr. B. B.  ... 

Low-frequency characteristics of thin-film multijunction thermal voltage converters

S. Avramov-Zamurovic, N.M. Oldham, M.E. Parker, B.C. Waltrip
1998 IEEE Transactions on Instrumentation and Measurement  
Bryan Christopher Waltrip received the B.S. degree in electrical engineering and computer science from the University of Colorado, Boulder, in 1987.  ...  C. Waltrip are with the National Institute of Standards and Technology, Electricity Division, Gaithersburg, MD 20899 USA.Publisher Item Identifier S 0018-9456(98)05467-9.  ... 
doi:10.1109/19.728796 fatcat:ugp7dl7psra2blmofxxyrch5s4

Page 5821 of Psychological Abstracts Vol. 82, Issue 12 [page]

1995 Psychological Abstracts  
., 42736 Waltrip, Royce W., 43979 ampold, Bruce E, 43743 wan C.  ...  M., 43029 White, Alison, 42713 White, C.  ... 

Page 196 of JAMA: The Journal of the American Medical Association Vol. 149, Issue 2 [page]

1952 JAMA: The Journal of the American Medical Association  
Hall, C. A. Patterson and J. K. Colehour. —p. 501. After Effects of Intermittent Positive Radial Acceleration. R. C. Wilson, G. L. Bryan, G. A. Green and others.—p. 509.  ...  Waltrip and H. W. Massengale.—p. 535. Acoustic Trauma in Aircraft Maintenance Workers.  ... 

Page 107 of Aerospace Engineering Vol. 11, Issue 6 [page]

1952 Aerospace Engineering  
C. Wilson, G. L. Bryan, G. A. Green, N. E. Willmorth, A. A. Canfield, and N. D. Warren. Journal of Aviation Medicine, Vol. 22, No. 6, December, 1951, pp. 509-517. 16 references.  ...  C. V. Ramamoorthy and W. W. Soroka.  ... 

Supplemental Material for Proceedings of the American Psychological Association, Incorporated, for the Legislative Year 2015: Minutes of the Annual Meeting of the Council of Representatives February 20–22, 2015, Washington, DC, and August 5 and August 7, 2015, Washington, DC, and Minutes of the February, June, August, and December 2015 Meetings of the Board of Directors

2016 American Psychologist  
Michel, Cammy Anne Michel, Lorena Mickelson, Bryan Mickolus, Ciana Miele, David Miers, Erin Michelle Mikell, Christie Milano, Matthew J. Milhem, Erin C.  ...  Vinson, Latrice Danielle Violette, Bryan Kenneth Vitelli, Joann Frances Vogel, Bryan Thomas Vogel, Kiara Ginnette Vogel, Sally J.  ... 
doi:10.1037/amp0000022.supp fatcat:eqfef43wi5b4lfjrylvttjxqo4

Evaluation of a Capacitance Scaling System

Svetlana Avramov-Zamurovic, Andrew D. Koffman, Bryan Cristopher Waltrip, Yicheng Wang
2007 IEEE Transactions on Instrumentation and Measurement  
., C 100pCB .  ...  100pCB C 1nCB C 100pCB C 1nCB   2 + (NL LCR ) 2 + (NL CB ) 2 (2) The IVD used in the scaling fixture should be very stable.  ... 
doi:10.1109/tim.2007.908318 fatcat:hintccwsibfu5erqrsywnyl7am

NRC-NIST intercomparison of calibration systems for current transducers with a voltage output at power frequencies

E. So, R. Arseneau, D. Bennett, T.L. Nelson, B.C. Waltrip
2003 IEEE Transactions on Instrumentation and Measurement  
Bryan Christopher Waltrip (M'87) received tl B.S. degree in electrical engineering and CompUt Science from the University of Colorado, Bouldt and the M.S. degree in electrical engineering fro The Johns  ...  Nelson serves on several IEEE committet and is Chairman of C-12, the American Nation Standard Code for Electricity Metering.  ... 
doi:10.1109/tim.2003.809909 fatcat:j3f6giz5yrdvthrjf4cn7cw3ju

Precision Differential Sampling Measurements of Low-Frequency Synthesized Sine Waves With an AC Programmable Josephson Voltage Standard

A. Rufenacht, C.J. Burroughs, S.P. Benz, P.D. Dresselhaus, B.C. Waltrip, T.L. Nelson
2009 IEEE Transactions on Instrumentation and Measurement  
This effect can be seen in the data shown in Fig. 3(c) , where the differential voltages vary between −0.5 mV and +0.5 mV.  ...  The measured amplitudes of only the "on-step" samples for (c) the first cycle and (d) all 32 cycles of the zero relative phase trace.  ...  Bryan C.  ... 
doi:10.1109/tim.2008.2008087 fatcat:7qdnalwfzjezji3ginxjbx2u5y

Page 655 of American Society of Civil Engineers. Collected Journals Vol. 118, Issue EE5 [page]

American Society of Civil Engineers. Collected Journals  
T., Randall, C. W., Waltrip, G. D., Romm, E. D., and Morales, L. M. (1987). “Factors affecting biological phosphorus removal for the VPI process, a high-rate University of Capetown Process.’  ...  The help of project officers Kenneth Tracy and Ed Bryan is sincerely appreciated.  ... 

Evaluations of a Detector-Limited Digital Impedance Bridge

Mona Feige, Stephan Schlamminger, Bryan Waltrip, Michael Berilla, Yicheng Wang
2021 Journal of Research of the National Institute of Standards and Technology  
All the test results presented herein were acquired with the bridge setup shown in Fig. 1 , with the two Vishay resistors in an air bath at 23 °C.  ...  In normal operation, the laboratory temperature fluctuates within 1 °C, and the amplitude correlation of V 1 and V 2 was not obvious, even when they were dominated by two output channels of the same waveform  ... 
doi:10.6028/jres.126.006 fatcat:pqvfjt2b4rcbdddhgkr5o6wsmi

Monday posters

2009 Journal of the American Society for Mass Spectrometry  
Custer; Bryan D. Goddard; Neil Ford; Stephen F. Macha; Edna S.  ...  C. Barbosa; Olívia C. M. Amorim; Washington M.  ... 
doi:10.1016/j.jasms.2009.03.013 fatcat:ea74tafm3faxpje4pbtudcku2u

The Performance of the KIBB-g1 Tabletop Kibble Balance at NIST [article]

Leon Chao, Frank Seifert, Darine Haddad, Jon Pratt, David Newell, Stephan Schlamminger
2019 arXiv   pre-print
ACKNOWLEDGMENT The authors would like to thank Shisong Li for the magnet design, Alireza Panna for the resistor calibration, Bryan Waltrip and Mike Berilla for the current source design, Stefan Cular for  ...  C.  ...  C.  ... 
arXiv:1910.09218v1 fatcat:irvtrm5n3vaupb6hugdhjdplte
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