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本文根据不均匀的微带传输线中的寄生辐射理论,研究了微带开路端的辐射性质,并应用它组成面阵微带天线。对两种实验性微带天线阵的测量表明,交叉结构馈电方法和阵元设计相结合,可在一定范围内灵活控制口径场的分布,达到控制天线辐射波束参数的目的。根据所测量微带天线阵的性能,在满足一些跟踪、定位和测距装置的小型化结构上,有实际应用价值。
Based on the theory of parasitic radiation in the microstrip transmission line, this paper studies the radiation properties of the microstrip open end and uses it to make an array antenna. The measurement of two experimental microstrip antenna arrays shows that the crossover feed method and the array element design can flexibly control the distribution of the caliber field within a certain range and achieve the purpose of controlling the radiation beam parameters of the antenna. Depending on the performance of the microstrip antenna array being measured, it is of practical value in meeting the miniaturization of some tracking, positioning and ranging devices.