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本文介绍了一种用于宽带信号接收的数字处理平台,平台硬件上采用星形互联结构实现多板卡数据交互,软件上使用FPGA芯片实现了数字信道化、相关干涉仪测向等关键算法.文章首先介绍了星形互联结构的技术优势和实现方法,设计了使用该结构的典型硬件平台,然后介绍了关键算法的原理及实现,最后结语了该平台的特点和应用前景,并提出了进一步提高性能的设想。
This paper introduces a digital processing platform for broadband signal reception. The hardware of the platform uses the star interconnect structure to realize the multi-card data interaction. The software uses the FPGA chip to realize the key algorithms of digital channelization and related interferometer direction finding. The article firstly introduces the technical advantages and realization methods of star interconnection structure, designs a typical hardware platform using this structure, and then introduces the principle and implementation of the key algorithm. Finally, it concludes the platform’s characteristics and application prospects and proposes further Assumptions to improve performance.