16.810 IAP 2007M1: Microwave Beam SourceMotivationMITSET Power Beaming Competition•Primary focus of competition is power beaming•Microwave energy chosen for efficiency and scalability•Needs to supply an adequate power supply to rectennas•Needed a system that could easily be assembled/disassembled•High efficiency and cost effectiveness are the primary targets of project
16.810 IAP 2007M1: Microwave Beam SourceSystems OverviewDesign divided into three subsystems•Dish–Utilizes a pre-made satellite dish for simplicity and cost effectiveness–Needed to collimate the microwave energy–Needs to be fast and easy to assemble around the ribbon–Needs to be stable as well as level•Microwave horn support–Designed to hold the microwave horn over the center of the dish–Has an adjustable height to allow for an adjustable focus–Has to be rigid enough to support magnetron and horn and precisely place them over the dish
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16.810 IAP 2007M1: Microwave Beam SourceSystems Overview•Microwave Circuit– Provides microwave energy for climber– Circularly polarizes the microwave energy– Transfers to Climber– Needs to be as efficient as possible– Uses a magnetron mated with a polarizer, and a horn to project energy