@article{34b487ae269a4f8b8b929f604f12e2dd,
title = "Signal flow graph for a probe-fed microstrip patch antenna",
abstract = "Complex coupling environments are difficult to represent analytically. Signal flow graphs offer an analysis method for such networks, allowing network elements to be treated individually. These elements can then be reintegrated and ultimately analyzed using Mason's Gain Rule. This letter presents a signal flow graph of the microstrip patch antenna, a simple coupling network, that is often an element in large, more complex coupling networks. Comparisons between results from the signal flow graph and the traditional transmission line model are provided.",
keywords = "Antenna input impedance, Coupling circuits, Microstrip antennas, Modeling",
author = "Ruyle, {J. E.} and Bernhard, {J. T.}",
note = "Funding Information: Manuscript received May 27, 2009; revised June 25, 2009. First published July 14, 2009; current version published August 25, 2009. This work was supported in part by the U.S. Army Research Office under Grant W911NF-06-0366. The authors are with the Electromagnetics Laboratory, Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA (e-mail: jruyle2@illinois.edu; jbernhar@illinois.edu). Digital Object Identifier 10.1109/LAWP.2009.2027726 Fig. 1. Various forms of the probe, including (a) graphical description of how the probe connection should be analyzed in a microstrip patch antenna, (b) circuit model of probe to find S-parameters of probe, and (c) signal flow graph describing the probe connection in a probe-fed microstrip patch antenna.",
year = "2009",
doi = "10.1109/LAWP.2009.2027726",
language = "English (US)",
volume = "8",
pages = "935--938",
journal = "IEEE Antennas and Wireless Propagation Letters",
issn = "1536-1225",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
}