NDLI: Application of moving window FDTD to prediction of path loss over irregular terrain

Content Provider	IEEE Xplore Digital Library
Author	Luebbers, R. Schuster, J. Wu, K.
Copyright Year	2003
Description	Author affiliation: Remcom Inc., State College, PA, USA (Luebbers, R.; Schuster, J.; Wu, K.)
Abstract	The full wave electromagnetic calculation method that is most efficiently applied to electrically large problems is the Finite Difference Time Domain (FDTD) method. FDTD offers several advantages over the commonly used ray and PE methods. It is full wave, so that the approximations and assumptions needed for application of PE and ray methods do not limit its accuracy. It call include all of the pertinent information available for the propagation path, including terrain profile, terrain permittivity and conductivity, vegetation features, and atmospheric conditions. The FDTD mesh, assuming a uniform atmosphere, need be only long enough (the dimension along the propagation path) to contain the dispersed pulse, and high enough to include the terrain profile and a few Fresnel zones above the highest elevation.
Sponsorship	Northrop Grumman, Electron. Syst. Ohio State Univ. Mission Res. Corp. Nat. Sci. Found
Starting Page	610
Ending Page	613
File Size	123732
Page Count	4
File Format	PDF
ISBN	0780378466
DOI	10.1109/APS.2003.1219311
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-06-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Finite difference methods Time domain analysis Antennas and propagation Atmosphere Radio propagation Conductivity Receiving antennas Transmitting antennas Educational institutions Atmospheric modeling
Content Type	Text
Resource Type	Article

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