Firstly, the transmission measurement in the parallel-plate waveguide was carried out and there existed two transmission bands at 7.8GHz-9GHz and 10GHz- 13GHz.

• 在进行了平行板波导中功率透射实验后，发现在7.；8GHz-9GHz和10GHz-13GHz频率范围，各存在一个透射峰。