Due to the frequency selectivity, non-stationary and multipath effect of the ionosphere, it is difficult to measure the beam width of OTHR antenna in azimuth of this kind of radar.
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释义
摘要由于传输信道电离层存在频率选择性、非平稳性和多径效应,对天波超视距雷达的方位波束宽度性能进行测试存在着相当的困难。
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