简要介绍了电子助渔网位仪的分类及国内外发展现状,论述了网位仪的功能及系统构成。提出了远洋助渔网位仪研究的几项关键技术,并且就网位仪关键部分水下声探头进行了研究探讨。 This paper briefly introduces the classification of electronic fish netting aid instrument and its current development both at home and abroad, and discusses the function and system constitution of netter. Several key techniques for oceanic aid fish netting position meter were put forward. The underwater acoustic probe, the key part of the netter, was researched and discussed.