A free-space microwave system developed for the measurement of the relative complex permittivity of granular materials and of pulverized materials was reported. The system consists of a transmitting antenna and a receiving antenna separated by a space filled by the sample to be characterized and a network analyzer for transmission measurement. The receiving antenna was mounted on a movable plate, which gives the flexibility of having different sample thicknesses.
Additional publication details
Use of microstrip patch antennas in grain and pulverized materials permittivity measurement
Larger Work Title:
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
2003 IEEE International Antennas and Propagation Symposium and USNC/CNC/URSI North American Radio Science Meeting