In this paper we consider the elementary but important case of excitation in which the leakage from the coaxial cable is caused by partially disconnected connector. The coax center conductor is...
Numerical Solutions for Scattering by Rectangular Bent Plate Structures (2006)
Wilton, Donald R., Glisson, Allen W., Butler, Chalmers M.
This report considers the numerical determination of the current induced on a bent rectangular plate illuminated by an incident plane wave. drawing heavily on techniques which are first proven...
Wilton,Donald R., Butler,Chalmers M., Umashankar,K. R.
Selected numerical data are presented for penetration of electromagnetic waves through apertures in planar screens. Major attention is focused upon electrically small, rectangular apertures, and for...
A Numerical Solution Procedure for Small Aperture Integral Equations. (2002)
Umashankar,K. R., Butler,Chalmers M.
A procedure is presented for numerically obtaining solutions of the small aperture integral equations developed in Interaction Note 149. The results of the solution technique provide knowledge of the...
Butler,Chalmers M., Umashankar,K. R., Wilton,Donald R.
This report presents an analysis of the operating characteristics of the Horizontally Polarized Dipole Electromagnetic Pulse Simulator located at Kirtland Air Force Base, New Mexico. The analysis and...
Theoretical Analysis of the Wire Biconical Antenna. (2002)
Butler,Chalmers M., Umashankar,K. R., Smith,Charles E.
A general theory is presented for analysis of wire antennas and scatterers. Sample applications are provided, and selected theoretical/numerical results are compared with measured data. Particular...
An Analytical and Experimental Investigation of Planar Discontinuities in Coaxial Waveguides. (2002)
Harrison,Michael G., Butler,Chalmers M.
An integral equation approach has been developed for treating a large class of planar discontinuities in coaxial waveguides. The technique can effectively treat single and multiple discontinuities...
Tsai,Leonard L., McKinney,Robert F., Wilton,Donald R., Butler,Chalmers M.
A theory is developed for the TM analysis of a two-dimensional strip which is vanishingly thin, perfectly conducting and edge loaded. Integral equations are formulated and solved numerically for the...
Transverse Electric Scattering from Loaded Strips. (1998)
Butler,Chalmers M., Wilton,Donald R., McKinney,Robert F.
A theory is developed for the transverse electric analysis of two dimensional strips which are vanishingly thin and perfectly conducting, both with contiguous edge loading and with loaded strips...
Analysis and Design of Antenna Structures - Diakoptic Theory and the Moment Method. (1998)
A goal of the research project was to develop the modified diakoptic theory into an efficient method for analyzing and designing antenna structures and distributed parameter circuits. A second goal...
The modified diakoptic theory is extended and further developed so that it can be used to analyze antenna arrays comprising both microstrip-fed, microstrip radiator elements on grounded substrates...
Butler, Chalmers M., Martin, Anthony Q., Kustepeli, A., Ozzaim, C.
A modulated laser beam incident upon a conducting surface can cause electrons to be emitted which in turn causes time harmonic electromagnetic fields. In this two-part report we describe an analysis...
Coupling of Electromagnetic Energy to a Wire Probe in/on a Missile (1998)
In this research program the electromagnetic field radiated and received by a thin-wire probe or antenna mounted on the nose cone of a missile is determined. The probe is connected to a component...
Analysis of Switched Wire Antennas (1998)
The goals of this research project are to create the tools needed to analyze and understand loaded and switched antennas and to design the experimental apparatus needed to verify results obtained...
EPSCoR Support of Graduate Student Research on the Modified Diakoptic Theory. (1997)
An analysis and an experimental study of a stripline-fed slot antenna are reported. A slot in a planar conducting surface is backed by a rectangular waveguide below cutoff. A conducting strip in the...