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本文提出了一种应用于LS频段弹载数据链收发天线,天线采用半八木天线形式。文中给出了天线和弹体一体化的详细设计以及相应的计算结果。通过对天线样机测试,验证了该天线设计,其测试结果表明在工作频段内,天线的电压驻波比分别小于1.7,在导弹水平方向±30°、垂直方向水平面上20°、水平面下70°的范围内主极化增益均大于1.9dBi,满足了作为弹载数据链终端机天线应用的要求。
In this paper, we propose an antenna used in the LS band to carry the data link transceiver antenna. The antenna is in the form of half Yagi antenna. The detailed design of the integrated antenna and projectile and the corresponding calculation results are given in the paper. The antenna design is validated through the prototype test of the antenna. The test results show that the VSWR of the antenna is less than 1.7 in the working frequency band, ± 30 ° in the horizontal direction of the missile, 20 ° in the vertical direction and 70 ° in the horizontal direction Of the main polarization gains are greater than 1.9dBi, to meet the requirements of the antenna as the application of the terminal data link terminal.