研究目的
Investigating the reduction of radar cross section (RCS) of a target using plasma coating produced by a minitype solid rocket engine, focusing on finding the minimum input energy required for RCS reduction.
研究成果
The study demonstrates that the backscattering RCS reduces monotonically with input power to an optimal value and then shows some tendency to saturate or decrease. The FDTD method is effective in identifying optimal parameters for RCS reduction using plasma coating.
研究不足
The study is limited to collisional, unmagnetized, and cold plasma models. The practical application may be constrained by the energy required to sustain the plasma and the specific conditions under which the plasma is produced.
1：Experimental Design and Method Selection:
The study uses the finite-difference time-domain (FDTD) method to compute backscattering RCS based on a collisional, unmagnetized, and cold plasma model.
2：Sample Selection and Data Sources:
A perfectly electric conducting (PEC) plate coated with nonuniform helium plasma is used as the target. The plasma is produced by a minitype solid rocket engine.
3：List of Experimental Equipment and Materials:
The study involves the use of a minitype solid rocket engine to produce helium plasma.
4：Experimental Procedures and Operational Workflow:
The relationship between input power and RCS reduction is discussed, and numerical optimization is implemented to find optimal parameters.
5：Data Analysis Methods:
The FDTD method is used to analyze the electromagnetic wave interaction with nonuniform plasma.
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