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Search Publications by: Jeffrey Jargon (Fed)

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Displaying 26 - 50 of 239

Ultrafast waveform metrology: A first international comparison

August 24, 2020
Author(s)
Mark Bieler, Paul Struszewski, Ari Feldman, Jeffrey Jargon, Paul D. Hale, Pengwei Gong, Wen Xie, Chuntao Yang, Zhigang Feng, Kejia Zhao, Zhijun Yang
We report on the first international comparison in ultrafast waveform metrology. To this end, the frequency and time responses of a photodiode with a nominal bandwidth of 100 GHz have been measured by several National Metrology Institutes during the last

Physical Models and Dimensional Traceability of WR15 Rectangular Waveguide Standards for Determining Systematic Uncertainties of Calibrated Scattering-Parameters

August 10, 2020
Author(s)
Jeffrey A. Jargon, Dylan F. Williams, Angela C. Stelson, Christian J. Long, Aaron M. Hagerstrom, Paul D. Hale, John R. Stoup, Eric S. Stanfield, Wei Ren
In this report, we document the models and dimensional traceability of our WR15 rectangular waveguide standards for performing multiline thru-reflect-line calibrations from 50 GHz to 75 GHz using vector network analyzers. We identify the equations used in

Precision Millimeter-Wave Modulated Wideband Source for Over-The-Air Reference at 92.4 GHz

April 22, 2020
Author(s)
Paritosh Manurkar, Robert D. Horansky, Benjamin F. Jamroz, Jeffrey A. Jargon, Dylan F. Williams, Catherine A. Remley
As the next generation communications technology continues to evolve to utilize millimeter-wave frequencies, calibration methods are needed for the nonidealities related to these frequencies in communications electronics. In this work, we demonstrate a 1

Channel Sounder Measurement Verification: Conducted Tests

April 15, 2020
Author(s)
Jeanne T. Quimby, Jeffrey A. Jargon, Rodney W. Leonhardt, Jake D. Rezac, Paul D. Hale, Catherine A. Remley, Amanda A. Koepke, Robert Johnk, chriss Hammerschmidt, Paul Mckenna, Irena Stange, Mike Chang
Channel modeling often provides a basis for the design and deployment of wireless technology. Engineers design systems to operate under certain expected channel conditions. Channel models are typically based on the statistics of a collection of many

Verifying the Performance of a Correlation-Based Channel Sounder in the 3.5 GHz Band with a Calibrated Vector Network Analyzer

December 12, 2019
Author(s)
Jeffrey A. Jargon, Jeanne T. Quimby, Catherine A. Remley, Amanda A. Koepke, Dylan F. Williams
We verified the performance of a correlation-based channel sounder in the 3.5 GHz band with a calibrated vector network analyzer by comparing measurements in a stable, coaxial environment at the same reference planes. The purpose of this experiment was to

Quantifying Variance Components for Repeated Scattering-Parameter Measurements

November 30, 2017
Author(s)
Amanda Koepke, Jeffrey Jargon
We quantify random uncertainties for scattering-parameters repeatedly measured with a vector network analyzer (VNA), focusing on variations due to multiple calibrations, disconnects, and repeat measurements. We describe a two-stage nested design, which

3.5 GHz Radar Waveform Capture at Fort Story

August 4, 2017
Author(s)
Paul D. Hale, Jeffrey A. Jargon, Peter J. Jeavons, Michael R. Souryal, Adam J. Wunderlich, Mark Lofquist
We describe measurements to create a library of high-fidelity waveforms of federal incumbent radar signals currently operating in the 3550 MHz – 3650 MHz (“3.5 GHz”) band. In this second phase of assembling the library, measurements were collected at Fort