導(dǎo)體橢球的自然頻率
THE NATURAL FREQENCIES OF CONDUCTING ELLIPSOIDS
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摘要: 本文用矩量法求解磁場(chǎng)積分方程的方法,計(jì)算了導(dǎo)體球,旋轉(zhuǎn)橢球(1∶1∶2)和橢球(1∶2∶3)的若干自然頻率。結(jié)果表明:自然頻率有簡(jiǎn)并和分裂現(xiàn)象。分析了自然頻率的簡(jiǎn)并,分裂與目標(biāo)對(duì)稱性的關(guān)系。Abstract: The natural freqencies of a perfectly conducting sphere, a prolate spheroid (1:1:2) and a ellipsoid (1:2:3) are numerically solved by moment method with the magnetic field integral equation. The results reveal a splitting of natural freqencies when a sphere is deformed into a prolate spheroid or a ellipsoid.
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L.B. Felsen, Transient Electromagnetic Field, Springer-Verlag, New York, (1976), Chap. 3.[2]R. Mittra著,計(jì)算機(jī)技術(shù)在電磁理論中的應(yīng)用,人民郵電出版社,1983年,第四章.[3]張鳳林,導(dǎo)體橢球的自然頻率,國(guó)防科技大學(xué)碩士論文,長(zhǎng)沙,1988年.[4]L.Marlin, IEEE Trans on AP, AP-22(1974), 266-274. -
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