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Displaying records 981 to 990 of 1000 records.
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981. Requirements for an Effective Reverberation Chamber: Unloaded or Loaded
Topic: Electromagnetics
Published: 2/1/2006
Authors: Christopher L Holloway, David Allan Hill, Galen H Koepke, John M Ladbury
Abstract: In this paper we present two versions of a threshold metric for the purpose of accessing the effectiveness of a reverberation chamber. One metric is based on the chamber quality factor (Q), and the other is based on the volume of the loaded reverbera ...

982. Research on Site Qualifications above 1 GHz
Topic: Electromagnetics
Published: 2/18/2003
Authors: Michael Windler, Dennis G. Camell
Abstract: This is a summary of recent efforts conducted under the auspices of the American National Standards Institute (ANSI) Accredited Standards Committee C63, Sub-committee 1, working group 1-13.2. The main purpose of this group is to assess the applicabil ...

983. Resistively-Tapered-Dipole Electric-Field Probes up to 40 GHz
Topic: Electromagnetics
Published: 8/1/1991
Authors: James Paul Randa, Motohisa Kanda, R. D. Orr

984. Resonanct microwave power absorption and relaxation of the energy levels of the molecular nanomagnet Fe^d8^ using superconducting quantum interference device-based magnetometry
Topic: Electromagnetics
Published: 8/15/2005
Authors: Brant Cage, Stephen E Russek, David Zipse, Micah North, Naresh S Dalal
Abstract: Energy levels and saturation of molecular nanomagnet Fe^d8^ crystals were investigated using a 95 and 141 GHz electron paramagnetic resonance (EPR) technique based on a standard superconducting quantum intererence device (SQUID) magnetometer. The tec ...

985. Results of Planar Near-field Testing with Ultralow SidelobeAntennas
Topic: Electromagnetics
Published: 6/1/1985
Authors: Allen C. Newell, Michael H Francis, D P Kremer, K. R. Grimm

986. Results of Screened-Room Measurements on NIST Standard Radiators
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5010
Topic: Electromagnetics
Published: 10/1/1993
Authors: Galen H Koepke, James Paul Randa

987. Reverberation Chamber Measurement Correlation
Topic: Electromagnetics
Published: 6/15/2012
Authors: Ryan J. Pirkl, Catherine A Remley, Christian S Lotback Patane
Abstract: This contribution evaluates the utility of several different metrics for studying reverberation chamber measurement correlation. Metrics considered are the autocovariance, the correlation matrix, and two metrics based upon the entropy of the data ...

988. Reverberation Chamber Relationships: Corrections and Improvements or Three Wrongs Can (Almost) Make a Right
Topic: Electromagnetics
Published: 8/1/1999
Authors: John M Ladbury, Galen H Koepke
Abstract: We correct a number of errors that have crept into the reverberation-chamber literature over the past several years.

989. Reverberation Chamber Verification Procedures on How to Check if Your Chamber Ain't Broke and Suggestions on How to Fix It If It Is
Topic: Electromagnetics
Published: 8/1/2000
Author: John M Ladbury
Abstract: We present three tests for evaluating the agreement between measurements taken in a reverberation chamber and the expected results given by simple statistical models. We then apply these tests to a chamber that is known to be sub-optimal. We also g ...

990. Reverberation Chambers Measurements for the Shielding Effectiveness of Advanced Composite Materials
Topic: Electromagnetics
Published: 9/9/2002
Authors: Christopher L Holloway, R. Garzia, John M Ladbury, David Allan Hill, Galen H Koepke
Abstract: The use of advanced composite material (ACM) is drawing considerable attention in recent years as an alternative to metals. In many applications, these materials must have the ability to shield electromagnetic fields. Shielding effectiveness (SE) is ...

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