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为了提高便携式高频地波雷达(HFSWR)中近距离的风、浪探测能力,提出以单极子-交叉环组合天线为基本单元,构建二元小型直线阵列,进而获得更窄的波束宽度.通过对2015年福建六鳌试验的实测数据处理,将雷达反演所得浪高与浮标浪高数据进行比对,结果表明:在近距离处,组阵后的浪高结果与单个天线所得结果类似;在中距离处,组阵后浪高结果明显优于单个天线.
In order to improve the wind and wave detection capability in HFSWR, a monopole-Crossover ring antenna is proposed as a basic unit to construct a binary linear array with a narrower beam width. By comparing the data obtained from the measured data of the Liuao experiment in Fujian Province in 2015 with the data from the wave height of the buoy, the results show that the wave height after the array formation is similar to that obtained from a single antenna at the close range At the middle distance, the wave height after the array formation is obviously better than that of the single antenna.