用復(fù)射線展開法分析目標(biāo)的雷達(dá)截面
ANALYSIS OF TARGET RCS BY COMPLEX RAY EXPANSION
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摘要: 本文根據(jù)復(fù)射線分析和場的高斯波束展開,提出了一種計(jì)算復(fù)雜目標(biāo)電磁散射特性的簡便方法。由于復(fù)射線法不受目標(biāo)形狀的限制,因此該方法可用于任意形狀的目標(biāo)。本文以矩形進(jìn)氣道為例,進(jìn)行了雷達(dá)截面分析計(jì)算,并將計(jì)算值與測試值比較,結(jié)果表明這種方法是可行的。
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關(guān)鍵詞:
- 雷達(dá)截面; 電磁散射; 復(fù)射線分析; 平面波展開
Abstract: Based on the complex ray method and source expansion with a set of Gaussian beams, a new method for analysis and calculation of radar cross-section (RCS) of a complex target is presented. This method can be used for arbitrary shaped object, because complex ray analysis is not limited by the shape of object. A hollow rectangular pipe as a model of an air intake is investigated. The effectivenejs of this method can be proved from the comparison of calculated and measured results. -
L. B. Felsen, J. Opt. So c. Am. A; 3(1986)4, 486-496.[2]阮穎錚,通信學(xué)報(bào),8(1987 )4,49-57.[3]阮穎錚,成都電訊工程學(xué)院學(xué)報(bào),16(1987)1,28-33.[4]A.J. Bogush, Jr., R. E. Elkins, IEEE Trans. on AP, AP-34(1986)2, 228-243.[5]M.J. Bastiaans, Optik, 57(1980)1, 95-102.[6]Y.Z. Ruan, L. B. Felsen, J. Opt. Soc. Am. A, 3(1986)4, 566-579.[7][7][8]H. R. Wit t, E. L. Price, Proc. IEE, 115(1968)1, 94-100.[9]郭榮偉,舒永澤,隱身式進(jìn)氣道機(jī)理與應(yīng)用研究(1),南京航空學(xué)院內(nèi)部報(bào)告,1987年. -
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