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PIERS Online
Vol. 3
No. 2
2007
pp: 167-169Application of the Array Scanning Method to 1D-periodic Microstrip LinesRaul Rodriguez-Berral, Francisco L. Mesa, Paolo Baccarelli, and Paolo Burghignoli doi:10.2529/PIERS060906151926 Downloads: 961 Abstract:The Array Scanning Method (ASM) is employed to analyze the excitation of 1D- periodic microstrip lines by a nonperiodic source. It should be noted that the nonperiodic nature of the source precludes the direct application of Floquet's theorem. However, a combination of the ASM with the Method of Moments allows for the computation of the current density launched on the line. Some results are presented showing the current excited by a delta-gap voltage source at frequencies corresponding to passband as well as to stopband regimes of the periodic microstrip line.References:1. Munk, B. A. and G. A. Burrell, "Plane-wave expansion for arrays of arbitrarily oriented piecewise linear elements and its application in determining the impedance of a single linear antenna in a lossy halfspace," IEEE Trans. Antennas. Prop., Vol. AP-27, 331-343, May, 1979. 2. Capolino, F., D. R. Jackson, and D. R. Wilton, "Mode excitation from sources in two-dimensional EBG waveguides using the array scanning method," IEEE Microw. Wireless Comp. Lett., Vol. 15, 49-51, Feb., 2005. |
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