具有介质覆盖层的微带电流元近场的近似计算
APPROXIMATE CALCULATION FOR THE NEAR FIELD OF ELEMENT CURRENT IN MICROSTRIP STRUCTURE WITH DIELECTRIC COVER
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摘要: 从具有介质覆盖层的微带电流元的Sommerfeld积分精确表达式出发,推导出了简单的近场近似公式。并将近似公式和计算积分的结果作了比较。近似公式适用于/较小的情况,对介质层厚度和损耗没有限制。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.
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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.王家胜, 宇航学报, 1985年, 第1期, 第24-34页.[3]A. Sommerfeld, Partielle Differentialgletchungen der Physik, Akademische Verlagsgesellschaft, Deutschland,1962.[4]H. Richmond, NASA CR-2396, May 1974. -
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