具有介質(zhì)覆蓋層的微帶電流元近場的近似計算
APPROXIMATE CALCULATION FOR THE NEAR FIELD OF ELEMENT CURRENT IN MICROSTRIP STRUCTURE WITH DIELECTRIC COVER
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摘要: 從具有介質(zhì)覆蓋層的微帶電流元的Sommerfeld積分精確表達式出發(fā),推導出了簡單的近場近似公式。并將近似公式和計算積分的結(jié)果作了比較。近似公式適用于/較小的情況,對介質(zhì)層厚度和損耗沒有限制。
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關(guān)鍵詞:
- 微帶天線; 電磁場理論; 矩量法; Sommerfeld積分
Abstract: Simple approximate formulas of near field for a element current in microstrip structure are derived by using the exact formulas consisting of integrals of Sommerfeld type, results Calculated with these formulas are compared with those obtained by numerically calculating Sommerfeld integrals, and it is shown that these formulas are valid for small p/ and ! have no limitation of layer thickness and loss. -
Jiasheng Wang and V. Hansen, Kleinhetibacher Berichte, Darmstadt Deutschland, Band 26, 1985, pp. 65-72.[2]V. Hansen and Jiasheng Wang, Radiation Coupling in a Microstrip Array with a Dielectric Cover, Proc. of 1985 International Symp. on Antennas and EM Theory, August 1985, Beijing, pp. 22-28.王家勝, 宇航學報, 1985年, 第1期, 第24-34頁.[3]A. Sommerfeld, Partielle Differentialgletchungen der Physik, Akademische Verlagsgesellschaft, Deutschland,1962.[4]H. Richmond, NASA CR-2396, May 1974. -
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