Technical Report Archive & Image Library (TRAIL) - 2 Matching Results

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Automated Measurement of Frequency Response of Frequency-Modulated Generators Using the Bessel Null Method

From abstract: This paper describes a Bessel null technique to measure the frequency response of a frequency-modulated rf carrier and a program to automate frequency response measurements of signal generators with output frequencies from 0.450 to 2000 MHz. The measurements obtained using this technique are more precise than those obtained by a highly trained technician using a manual system.

Date: March 1986

Creator: Major, J. R.; Livingston, E. M. & Adair, Robert T.

Item Type: Report

Partner: UNT Libraries Government Documents Department

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Possible Estimation Methodologies for Electromagnetic Field Distributions in Complex Environments

Abstract: The problem of measuring and characterizing complicated multiple-source, multiple-frequency electromagnetic environments is becoming more important and more difficult as electrical devices proliferate. This paper outlines three general approaches to the problem which are currently under investigation at the National Bureau of Standards. The three approaches are: 1) a statistical treatment of the spatial distribution of electromagnetic field intensities, 2) a numerical computation usin… more

Date: March 1985

Creator: Kanda, Motohisa; Randa, J. & Nahman, N. S.