Abstract:In this letter, a higher‐order‐mode coupler using waveguide for multimode monopulse satellite tracking and signal processing schemes handling the signal from the higher‐order‐mode coupler are proposed. The proposed higher‐order‐mode coupler uses TM01 mode for compactness and weight reduction, making it suitable for OTM satellite tracking systems. The TM01 mode is extracted from the two H‐plane slots of the circular waveguide and then divided signals are combined through magic‐T structure. Also, the sum and dif… Show more
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