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国外文献,如 Kraus,Sengupta等入所发表的文章中,由于忽略了行波天线阵各辐射元的辐射所引起的天线电流的衰减,因而对行波天线的某些重要特性,不能加以分析;本文考虑了由于辐射引起的天线电流的衰减,并为使分析方便,将各辐射元的天线电流量级化,从而获得一空间均匀分布,电流按指数律衰减的端射式线天线阵,并分析了下列问题: 1.行波天线障所能获得的辐射特性, 2.行波天线阵的参量, 并应用上列结果,讨论了菱形天线阵的设计。
In foreign articles such as Kraus and Sengupta, some important characteristics of traveling wave antennas can not be analyzed because of the attenuation of antenna current caused by the radiation of each radiating element of traveling wave antenna array. Considering the attenuation of the antenna current due to radiation, and for the convenience of analysis, the antenna current of each radiating element is magnified to obtain an end-firing antenna array with uniform space distribution and current decaying exponentially The following questions are addressed: 1. Radiation characteristics of the traveling-wave antenna barrier, 2. Parameters of the traveling-wave antenna array, and the application of the above results, the design of the rhombic antenna array is discussed.