Abstract
The formula of input impedance of dipole antenna in Gigahertz Transverse ElectroMagnetic (GTEM) cell based on the dyadic Green’s function is first obtained in this paper. The validation of the formula is verified by the results of theoretical derivation and simulation with well agreements. In comparison with the formula of input impedance in free space, the relationship between the change of input impedance with the length of antenna and the position of antenna in GTEM cell is obtained. In addition, some meaningful conclusions are presented, which not only can be referred by the further research of ElectroMagnetic Interference (EMI) measurements in GTEM cell, but also provide the theoretical basis for testing compensation and error analysis.
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