Reflecting characteristics of lossy anisotropic materials inserted into the rectangular waveguide

摘要: It is known that a large anisotropy exists in the plane of rubber sheet composed mixed with carbon fibers or particles subsequent pressing by roller. This can be used for fabrication microwave absorbers and shielding materials. For this objective it necessary to measure complex permittivity tensor these The standing wave method rectangular waveguide has been extended an application measurement analysis reflection coefficient studied short-circuited containing anisotropic lossy material. If found, least square may applied measured data determine component. In paper, hybrid mode propagating material, set generalized transmission equations used. each calculated method, matching find coefficient. results are compared data. found agreement excellent even if direction rolling during electric field different. confirmed present tensor.