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A linear array of microstrip patches coupled electromagnetically through sections of transmission line embedded within the substrate is described and analyzed. Such an array has the advantages of a simple feed mechanism, since only the first and last patches need to be fed or terminated with a load. A design procedure is presented whereby the coupling transmission line sections may be chosen in order to excite a specific set of patch currents, producing a desired radiation pattern.>
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Jackson et al. (1990) studied this question.
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