Performance analysis of CATR reflector with Segmented Triangular serrated edges

This paper presented a theoretical and numerical assessment single segmented triangular (SST), double segmented triangular (DST) and triple segmented triangular (TST) serrated CATRs by changing number of serrations. The investigation was based on diffraction theory and, more specifically, the Fresnel diffraction formulation. The CATR provides uniform illumination within the Fresnel region to test antenna. Application of serrated edges has been shown to be a good method to control diffraction at the edges of the reflectors. However, in order to get some insight into the positive effect of serrated edges a technique used known as physical optics (PO). Ripple free and enhanced quiet zone width are observed for specific values of width modulation factors per serration. It is observed that DST Serrated CATR give fewer ripples than SST and TST serrated CATR.