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在波导宽边上开有赋形的长槽,终端接匹配负载就构成了漏波天线。这是一种快波天线,它具有加工简单,容易安装在弹体四周,容易控制波瓣的形状和倾角等特点,特别是这种天线具有非常低的副瓣,可以提高引信的抗干扰性能,因此它很适合做微波主动引信的天线。例如法国R530导弹上的引信就是采用这种天线。本文给出了这种天线的分析和综合方法,并应用这种方法在所需要的频率上进行了试验。试验结果表明理论和实测结果吻合得很好,天线的性能完全达到了设计要求,因此证明了分析和计算方法的正确性。
On the broadside of the waveguide, there is a long slot shaped, and the termination is matched with the load to form a leaky wave antenna. This is a fast-wave antenna, which has the advantages of simple processing, easy installation around the projectile, easy control of the shape and inclination of the lobe, etc. In particular, this antenna has a very low sidelobe and can improve the anti-interference performance of the fuze , So it is suitable for microwave active fuze antenna. For example, the fuze on the French R530 missile uses this type of antenna. This article gives an analysis and synthesis of such an antenna and uses this method to test it at the required frequency. The experimental results show that the theoretical and experimental results agree well with each other, and the performance of the antenna fully meets the design requirements. Therefore, the correctness of the analysis and calculation methods is proved.