電磁喇叭的相位中心研究
ON THE PHASE CENTER OF ELECTROMAGNETIC HORNS
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摘要: 本文用解析方法研究了具有良好對(duì)稱性輻射方向圖的電磁喇叭的為常數(shù)平面的相位中心的性質(zhì)。證明了,無(wú)論是對(duì)遠(yuǎn)場(chǎng)還是對(duì)近場(chǎng)情況,=45平面的相位中心與平均相位中心都是一致的。若以單一平面相位中心來(lái)近似喇叭的相位中心,=45平面相位中心是一最佳選擇。
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關(guān)鍵詞:
- 天線; 電磁喇叭; 相位中心
Abstract: The characteristics of the phase centers of electromagnetic horns holdingnearly symmetric pattern are presented analytically. It is proved that the phase center on the = 45 plane coincides with the average phase center, and if a single plane phase center is used to define the horn phase center approximate y, the = 45 plane phase center will be the best choice. -
M[2]W.V. T. Rush, P. D. Potter, Analysis of Reflector Antennas, Academic Press, New York, (1970), Chapter 3.[3]Y. Y. Hu, J. Franklin Inst., 271(1961), 31-36.[4]L. Shafai and A. A. Kishk, IEE Proc.-H, 132(1985)3, 207-214.[5]A. C. Ludwing, IEEE Trans. on AP, AP-21(1973)1, 116-119.[6]P. S. Kildal, IEEE Trans. on AP, AP-31(1983)1, 199-202. -
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