本文针对常规波束形成在岸基光纤阵信号处理应用中的宽主瓣、高旁瓣的问题,采用基于超波束技术对常规波束输出进行加权,不但能保证波束的高分辨力,而且可保留波束输出的相位信息。该方法较常规波束输出能够提升“V”型岸基被动阵左右分辨的能力。结合仿真和实际数据处理进行了检验,并指出该方法在岸基被动阵列实际工程应用中需要注意的问题,如阵形误差等。
With the problem of wide main lobe and high side lobe of conventional beam-forming in shore-based fiber array, this paper, based on the technology of hyper beam-forming to weight the out of conventional beam-forming, obtained higher beam resolution and retained beam phase information. Moreover, this method can promote higher left-right distinguishing ability then conventional beam-forming in V arrays. With simulation and real data processing, this method had been checked, and some problems had bean pointed out when using it, such as, array’s shape deviation.
2020,42(3): 131-135 收稿日期:2019-06-02
DOI:10.3404/j.issn.1672-7649.2020.03.027
分类号:O439
作者简介:刘亮(1989-),男,工程师,主要研究方向为水声信号处理。
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