Prediction of Wave-absorbing Coating Thickness of Airborne Conformal Antenna Based on Orthogonal Experimental Designand Regression Analysis

doi:10.3969/j.issn.1000-1093.2021.12.017

Abstract

Abstract: The wave-absorbing coating thickness has direct effect on the wave-absorbing performance of conformal antenna. 25 groups of spraying process parameter level combinations were designed using the orthogonal experimental design method. The corresponding wave-absorbing coating thickness data were obtained through 25 sets of wave-absorbing coating spraying experiments. The range analysis，variance analysis and nonlinear regression analysis were made for the thickness data of wave-absorbing coating. The result shows that the influences of spraying process parameters on the thickness of wave-absorbing coating are sorted in descending order:spraying speed> stepping distance> spraying distance> paint viscosity> spraying angle> spray gun air pressure. The spraying speed has a significant effect on the thickness of wave-absorbing coating. A regression model for predicting the thickness of wave-absorbing coating was established. It can accurately characterize the quantitative relationship among the wave-absorbing coating thickness and the spraying process parameters.

Key words: airborneconformalantenna, wave-absorbingcoatingthickness, sprayingprocessparameter, orthogonalexperiment, regressionanalysis

CLC Number:

TQ637.1

ZHANG Qingjun， XIE Yin， WU Song. Prediction of Wave-absorbing Coating Thickness of Airborne Conformal Antenna Based on Orthogonal Experimental Designand Regression Analysis[J]. Acta Armamentarii, 2021, 42(12): 2693-2699.

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