NDLI: Adaptive windowed estimation of electromagnetic frequency spectra and radiation patterns to a specified uncertainty

Content Provider	IEEE Xplore Digital Library
Author	Miller, E.K.
Copyright Year	2013
Description	Author affiliation: Los Alamos Nat. Lab., Los Alamos, NM, USA (Miller, E.K.)
Abstract	Common to areas involving waves and fields like acoustics and electromagnetics is the need to evaluate frequency spectra and far-field radiation patterns. This has usually been done on a point-wise basis, sampling a first-principles or generating model (GM) finely enough to ensure that important features such as narrow resonances and nulls are not missed. This can lead to many more samples, and consequently greater computational cost, than is really needed. Described below is an approach that employs a fitting model (FM) derived from model-based parameter estimation together with multiple, overlapping frequency- or angle-observation windows. Comparing FM samples in the overlapping windows shows where additional GM samples are needed to achieve a desired uncertainty in the computed results while minimizing the number of GM samples required.
Starting Page	54
Ending Page	58
File Size	555442
Page Count	5
File Format	PDF
e-ISBN	9781479916160
DOI	10.1109/DSP-SPE.2013.6642564
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency modulation Uncertainty Computational modeling Antenna radiation patterns Electromagnetics Fitting Convergence sampling methods Parameter estimation antenna radiation patterns adaptive estimation interpolation
Content Type	Text
Resource Type	Article

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2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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