Bistatic k-space imaging for electromagnetic prediction codes for scattering and antennas

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Published by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va .

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  • Computer programs.,
  • Microwave imagery.,
  • Scattering.,
  • Imaging techniques.,
  • Electromagnetic fields.

Edition Notes

Book details

Other titlesBistatic k space imaging for electromagnetic prediction codes for scattering and antennas.
StatementJohn F. Shaeffer ... [et al.].
SeriesNASA technical paper -- 3569.
ContributionsShaeffer, John F., Langley Research Center.
The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL18118014M

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Get this from a library. Bistatic k-space imaging for electromagnetic prediction codes for scattering and antennas. [John F Shaeffer; Langley Research Center.;]. Electromagnetic computer codes utilized for the examples include patch and body-of-revolution method-of-moment computer codes, a physical optics computer code, and a finite element frequency.

Visualizing near-field energy flow and radiation. Bistatic k-Space Imaging for Elec- tromagnetic Prediction Codes for Scattering and Antennas,” IEEE.

His professional interests include scattering and diffraction of electromagnetic waves, numerical techniques, antennas, remote sensing, and computer applications for electromagnetic education.

He has published 58 technical journal articles and 12 book chapters on applied electromagnetics, antenna design, and microwave subjects, and presented.

Here is an experimentalist's view of the question: 1) one photon hits the antenna and raises a molecular electron band to a higher energy level, and it will fall back to its lower one, with the characteristic electromagnetic transition time of the order of 10^sec, giving the.

Full text of "Plane-wave scattering-matrix theory of antennas and antenna-antenna interactions" See other formats. Transient Bistatic Scattering from Buried Objects.

Experimental Acoustic Inversion Methods for Exploration of the Shallow Water Environment, () THE APPLICATION OF A BOUNDARY INTEGRAL EQUATION METHOD TO THE PREDICTION OF. () k-space properties of classical single- and double-layer potentials and their derivatives. Wave Motion() The domain derivative and two applications in inverse scattering by: Full text of "Passive Microwave Components and Antennas" See other formats.

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David G. Shively, Manohar D. Deshpande and Capers R. Cockrell, Scattering From Arbitrarily Shaped Microstrip Patch Antennas, NASA TP CECOM TRE-5, Decemberpp. John T. Dorsey, Thomas R. Sutter and K. Chauncey Wu, Structurally Adaptive Space Crane Concept for Assembling Space Systems on Orbit, NASA TP, Novemberpp.

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Ghassemiparvin, A. Altintas, "Scattering from an Impedance Object at the Edge of a Perfectly Conducting Wedge", IEEE Trans on Antennas Propagation, 62, () PDF I.O. Sukharevsky, A. Altintas, "Validation of Higher-Order Approximations and Boundary Conditions for Lossy Conducting Bodies", IEEE Trans on Antennas Propagation, 62, diversity over quasistatic fading channels for any transmit antennas.

These codes achieve a normalized rate of one symbol per channel use. Constellation rotation is shown to be necessary for the full-diversity feature of these codes.

When the number of transmit anten-nas is. In Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society, vol. 38(3), pp.Abstract: Tracking the location of medical devices in interventional X-ray data solves different problems.

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The Air Force Program Manager is Mr. Steve Guilfoos, Multi carrier phase coded signal in radar ic radar: advantages of a bistatic configuration, bistatic RCS, bistatic range-ambiguity function, multistatic radar configuration.

Synthetic aperture radar (SAR): SAR principle, k-space understanding of SAR, different compensation techniques, sparse SAR, nonlinear SAR, apodization.

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An electromagnetic cou-pling generally exists between the antennas and the accessor-The attenuation is given by Eq. (1): ies, and one can explore them to improve antenna performance.

In this way, the accessories are as fundamental ATT = 10 log10 N (1) as the antenna itself, whose behavior depends on appro- priate connections. Analytical Bistatic k Space Images Compared to Experimental Swept Frequency EAR Images. NASA Technical Reports Server (NTRS) Shaeffer, John; Cooper, Brett; Hom, Kam.

A case study of flat plate scattering images obtained by the analytical bistatic k space and experimental swept frequency ISAR methods is presented. The key advantage. The name radar itself may even evoke memories of difficult electromagnetic courses taken in college and therefore, for some, the concept of radar cross section is mysterious and elusive.

In order to acquaint scientists and engineers who may be competent in their own disciplines with a seemingly new and unfamiliar technology, Georgia Tech. Passive Microwave Components and Antennas where Finally, considering the unitary property of the Fourier operator, we can convert the spectral-domain form (25) into the spatial-domain form (27) 1 ~ R33 ~ {0}33 ~ 0 0 H H ~ ~ E 1 ~ E t {0}33 R 33 0 0 0 j0 k z j0 k y ~ R33 j 0 k z 0 j0 k x j k 0 0 y j0 k x ~ ~H ~ R is a Hermitian matrix, i.e.

R R.5/5(4). The second-order theory of electromagnetic hot ion beam instabilities. [in interplanetary magnetic field. NASA Technical Reports Server (NTRS) Gary, S. P.; Tokar, R. The present investigation is concerned with the application of a second-order theory for electromagnetic instabilities in a collisionless plasma to two modes which resonate with hot ion beams.

Adigun A. Abiodun, United Nations Office for Outer Space Affairs, Vienna, Austria Phillip A. Arkin, NOAA National Center for Environmental Prediction, Washington, DCUSA Robert M.

Atlas, NASA Goddard Space Flight Center, Greenbelt, MDUSA Arthur P. Cracknell, University of Dundee, UK Paul J. Curran, Department of Geography. An electromagnetic search probe is swept over the surface of the concrete under test.

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