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Figure 1 from Revisiting stepped septum circular polarizer using full-wave simulations | Semantic Scholar
Design of dualâ•'polarised (RHCP/LHCP) quadâ•'ridged horn antenna with wideband septum polariser waveguide feed
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US6724277B2 - Radio frequency antenna feed structures having a coaxial waveguide and asymmetric septum - Google Patents
![Schematic structure of a three-step polarizer with a circular output... | Download Scientific Diagram Schematic structure of a three-step polarizer with a circular output... | Download Scientific Diagram](https://www.researchgate.net/publication/290672143/figure/fig1/AS:607246245433344@1521790195201/Schematic-structure-of-a-three-step-polarizer-with-a-circular-output-waveguide-a.png)