研究目的
Investigating the scattering of the dominant TE mode incident on a rotating Perfect Electrical Conductor (PEC) termination in a rectangular waveguide to test the predictions of Hertzian Electrodynamics (HE) for scattering by a PEC plane in arbitrary rotational motion under planar incidence.
研究成果
The experimental results validate the theoretical predictions of Hertzian Electrodynamics, showing that the reflection mechanisms of a rotating PEC termination are consistent with those of a stationary termination, with minor deviations attributed to practical setup imperfections.
研究不足
Minor deflections in reflection coefficients due to air gaps when the hammer drill is not perfectly attached while rotating.
1：Experimental Design and Method Selection:
The study employs Hertzian Electrodynamics to formulate the problem of electromagnetic scattering by a PEC object in arbitrary motion, specifically focusing on a rotating PEC termination in a rectangular waveguide.
2：Sample Selection and Data Sources:
The experiment uses a rectangular waveguide WR90 with dimensions 22.86 mm × 10.16 mm, operating between 7–13 GHz, connected to a VNA with a rotating PEC termination provided by a copper plate attached to a hammer drill.
3：86 mm × 16 mm, operating between 7–13 GHz, connected to a VNA with a rotating PEC termination provided by a copper plate attached to a hammer drill.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Rectangular waveguide WR90, VNA, copper plate, 550 W hammer drill.
4：Experimental Procedures and Operational Workflow:
The experiment compares the reflection properties of a copper plate at rest and in rotational motion against a standard short-circuit component to validate theoretical predictions.
5：Data Analysis Methods:
The reflection coefficients are measured and compared to assess the validity of the theoretical model.
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