On-wafer measurements of noise temperature. - James Randa; Robert L. Billinger; John L. Rice (IEEE Trans. Instrum. Meas., 1999)

Standard radiometers and targets for microwave remote sensing. - James Randa; Amanda E. Cox; David K. Walker; Michael H. Francis; Jeffrey R. Guerrieri; Katherine MacReynolds (IGARSS, 2004)

Errors due to the reflectivity of calibration targets. - James Randa; David K. Walker; Amanda E. Cox; Robert L. Billinger (IGARSS, 2004)

Errors resulting from the reflectivity of calibration targets. - James Randa; David K. Walker; Amanda E. Cox; Robert L. Billinger (IEEE Trans. Geosci. Remote. Sens., 2005)

On-Wafer Measurement of Transistor Noise Parameters at NIST. - James Randa; David K. Walker (IEEE Trans. Instrum. Meas., 2007)

Variable Termination Unit for Noise-Parameter Measurement. - Dazhen Gu; David K. Walker; James Randa (IEEE Trans. Instrum. Meas., 2009)

Uncertainty Analysis for Noise-Parameter Measurements at NIST. - James Randa (IEEE Trans. Instrum. Meas., 2009)

Reflectivity studies of passive microwave calibration targets and absorptive materials. - Dazhen Gu; Amanda E. Cox; Derek Houtz; David K. Walker; James Randa; Robert L. Billinger (IGARSS, 2010)

Comparison of microwave black-body target radiometric measurements. - David K. Walker; Dazhen Gu; Katherine MacReynolds; Randy Direen; James Randa; Amanda E. Cox; Derek Houtz; Robert L. Billinger (IGARSS, 2010)

Extraction of reflectivity from microwave blackbody target with free-space measurements. - Dazhen Gu; Derek Houtz; James Randa; David K. Walker (IGARSS, 2011)

Reflectivity Study of Microwave Blackbody Target. - Dazhen Gu; Derek Houtz; James Randa; David K. Walker (IEEE Trans. Geosci. Remote. Sens., 2011)

Verification of Noise-Parameter Measurements and Uncertainties. - James Randa; Joel Dunsmore; Dazhen Gu; Ken Wong; David K. Walker; Roger D. Pollard (IEEE Trans. Instrum. Meas., 2011)

Realization of a standard radiometer for microwave brightness-temperature measurements traceable to fundamental noise standards. - Dazhen Gu; Derek Houtz; James Randa; David K. Walker (IGARSS, 2012)

An investigation of antenna characterization techniques in microwave remote sensing calibration. - Derek Houtz; Dazhen Gu; David K. Walker; James Randa (IGARSS, 2012)

Extraction of Illumination Efficiency by Solely Radiometric Measurements for Improved Brightness-Temperature Characterization of Microwave Blackbody Target. - Dazhen Gu; Derek Houtz; James Randa; David K. Walker (IEEE Trans. Geosci. Remote. Sens., 2012)

A Geometric Error Model for Misaligned Calibration Target in Passive Microwave Remote-Sensing Systems. - Dazhen Gu; James Randa; David K. Walker (IEEE Geosci. Remote. Sens. Lett., 2013)