N槽結構波紋喇叭的理論分析
ANALYSIS OF N-SLOT STRUCTURE CORRUGATED HORN
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摘要: 本文利用空間諧波法導出了N槽結構(每個周期有N個槽)波紋喇叭的特征方程和等效壁導納的普遍公式,并把這些公式應用于雙槽深波紋喇叭,給出了其等效壁導納的表達式。文章還對一個雙槽深波紋喇叭的等效壁導納、特征值、口面模比和輻射方向圖進行了數(shù)值計算,并與實驗結果比較,兩者吻合得很好。
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關鍵詞:
- 天線; 饋源; 波紋喇叭
Abstract: The general formulas of characteristic equation and equivalent wall admittance of corrugated horn having N-slot structure are derived by using the space-harmonic analysis method. As a special example, the expression for equivalent wall admittance of corrugated horn having dual depth combination is presented. The equivalent wall admittance, eigenvalues, mode coefficients on horn aperture and radiation patterns have been computed fora corrugated horn having dual depth combination. The calculated radiation patterns are in good agreement with the measured values. -
章日榮, 無線電通信技術,1984年,第2期,第40-60頁.[2]E.Carpenter, A Dual-Band Corrugated Feed Horn, 1980 IEEE International Symposium Digest, AP-S, Quebec, Canada, pp. 213-216.S. Gbosh, A Corrugated Wave Guide Feed for Discrete Multi-Band Applications Having Dual Depth Corrugations, 1980 IEEE International Symposium Digest, AP-S, Quebec, Canada, pp. 217-220.[3]章日榮,王漢禮,電子學報,1982年,第3期,第1-8頁.[4]章日榮等編著, 波紋喇叭,石家莊通信研究所,1983年6月,第79-99頁.[5]杜彪,石家莊通信測控技術研究所,碩士論文,1986年,12月. -
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