Open slot radiators are extremely useful in most of the radar systems. In order to increase the directivity, array of such slots are used. As vertical slots in the narrow wall could not radiate, array of inclined slots is very useful. Such slots are analysed by several researchers. However the work on dielectric loaded slots is not considered for this analysis. It is therefore of interest to investigate such slots in order to control impedance loading, coupling and VSWR. The analysis involves plane wave spectrum approach. It in turn consists of the concept of self- reaction, discontinuity in modal current, coupling and VSWR. It simulates results on normalised conductance, susceptance, coupling and VSWR as a function of frequency which are presented in figures 2 to 17.
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