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本文用几何光学理论、口径场积分和复射线理论对一端开口、另一端短路的矩形腔体进行了雷达散射截面的分析计算。说明了这两种方法在计算大口径开口腔体RCS的可行性。并将这两种理论的方法和结果进行比较。
In this paper, the geometrical optics theory, caliber field integral and complex ray theory are used to analyze and calculate the radar cross section of a rectangular cavity with one end opened and the other end short-circuited. The feasibility of these two methods in calculating large diameter open cavity RCS is demonstrated. The methods and results of these two theories are compared.