James Randa

Publication Activity (10 Years)

Years Active: 1999-2013
Publications (10 Years): 0

Top Topics

Image Brightness

Hyperspectral Images

Measurement Errors

Top Venues

IEEE Geosci. Remote. Sens. Lett.

IEEE Trans. Geosci. Remote. Sens.

Publications

Dazhen Gu, James Randa, David K. Walker
A Geometric Error Model for Misaligned Calibration Target in Passive Microwave Remote-Sensing Systems. IEEE Geosci. Remote. Sens. Lett. 10 (6) (2013)
Dazhen Gu, Derek Houtz, James Randa, David K. Walker
Extraction of Illumination Efficiency by Solely Radiometric Measurements for Improved Brightness-Temperature Characterization of Microwave Blackbody Target. IEEE Trans. Geosci. Remote. Sens. 50 (11) (2012)
Derek Houtz, Dazhen Gu, David K. Walker, James Randa
An investigation of antenna characterization techniques in microwave remote sensing calibration. IGARSS (2012)
Dazhen Gu, Derek Houtz, James Randa, David K. Walker
Realization of a standard radiometer for microwave brightness-temperature measurements traceable to fundamental noise standards. IGARSS (2012)
Dazhen Gu, Derek Houtz, James Randa, David K. Walker
Reflectivity Study of Microwave Blackbody Target. IEEE Trans. Geosci. Remote. Sens. 49 (9) (2011)
James Randa, Joel Dunsmore, Dazhen Gu, Ken Wong, David K. Walker, Roger D. Pollard
Verification of Noise-Parameter Measurements and Uncertainties. IEEE Trans. Instrum. Meas. 60 (11) (2011)
Dazhen Gu, Derek Houtz, James Randa, David K. Walker
Extraction of reflectivity from microwave blackbody target with free-space measurements. IGARSS (2011)
David K. Walker, Dazhen Gu, Katherine MacReynolds, Randy Direen, James Randa, Amanda E. Cox, Derek Houtz, Robert L. Billinger
Comparison of microwave black-body target radiometric measurements. IGARSS (2010)
Dazhen Gu, Amanda E. Cox, Derek Houtz, David K. Walker, James Randa, Robert L. Billinger
Reflectivity studies of passive microwave calibration targets and absorptive materials. IGARSS (2010)
Dazhen Gu, David K. Walker, James Randa
Variable Termination Unit for Noise-Parameter Measurement. IEEE Trans. Instrum. Meas. 58 (4) (2009)
James Randa
Uncertainty Analysis for Noise-Parameter Measurements at NIST. IEEE Trans. Instrum. Meas. 58 (4) (2009)
James Randa, David K. Walker
On-Wafer Measurement of Transistor Noise Parameters at NIST. IEEE Trans. Instrum. Meas. 56 (2) (2007)
James Randa, David K. Walker, Amanda E. Cox, Robert L. Billinger
Errors resulting from the reflectivity of calibration targets. IEEE Trans. Geosci. Remote. Sens. 43 (1) (2005)
James Randa, Amanda E. Cox, David K. Walker, Michael H. Francis, Jeffrey R. Guerrieri, Katherine MacReynolds
Standard radiometers and targets for microwave remote sensing. IGARSS (2004)
James Randa, David K. Walker, Amanda E. Cox, Robert L. Billinger
Errors due to the reflectivity of calibration targets. IGARSS (2004)
James Randa, Robert L. Billinger, John L. Rice
On-wafer measurements of noise temperature. IEEE Trans. Instrum. Meas. 48 (6) (1999)