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This paper discusses the influences of plasma sheath on antennas during hypersonic flights. The practical plasma sheath around an RAM-C vehicle when flying at 25.91 Ma at the altitude of 71 km is evaluated with the fluid analysis method, both dipole antenna and horn antenna are located at the stagnation region and aft body region, respectively, and the antenna performances are compared with those...
This paper focuses on the influences of the plasma sheath around a hypersonic vehicle on the impedance of antenna. The practical plasma sheath of an RAM-C vehicle when flying at 71km at the speed of 25.91 Ma is calculated by fluid analysis method. And the effects of the plasma sheath on the impedance of a dipole antenna which is working at 4GHz are then researched by electromagnetic analysis method...
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