联合极化域的伪卫星远近抑制及其抗干扰技术研究

Signal processing techniques based on space, time and polarization domain will be studied under the Global Navigation Satellite System (GNSS), in which we will focus on multi-domain near-far effect resistance anti-jamming methods and algorithms in pseudo satellite system, anti-jamming and near-far effect suppressing synthetical methods and algorithms of space-time -polarization domain. Some new concepts, theory, methods, and algorithms are hopeful to be proposed under the support of this project. Key scientific problems to be solved are involved in new near-far effect suppressing algorithms, new adaptive anti-jamming methods with joint space-time-polarization processing, and fast adaptation of the anti-jamming algorithms. We will try to achieve some innovative algorithms and conclusions of multi-domain near-far effect suppressing, wideband interference suppressing based on single antenna, synthetical processing of anti-jamming and near-far effect suppressing based on space, time and polarization domain. The innovation of this project will lay a strong foundation for GNSS receivers with strong interference resistance ability in complex electromagnetic environment.

本项目拟以我国全球卫星导航系统(GNSS)为背景，采用空域、时域、极化域多维域处理，开展伪卫星导航系统的多维域远近效应抑制技术方法与算法、极化-空-时多维域远近效应与抗干扰综合抑制方法与算法的研究，充分利用极化-空-时信息，探索新概念，掌握新原理，提出有效的处理新方法、新准则以及新算法。拟解决的关键科学问题包括伪卫星远近效应抑制新算法、多维域自适应抗干扰的联合处理新准则、抗干扰算法的快速自适应性。力求在多维远近效应抑制处理、单天线抗宽带干扰、极化-空-时多维域远近效应与干扰综合抑制处理方面取得创新性研究成果，为我国未来的全球卫星导航系统接收机奠定理论基础，提升卫星导航系统接收机的抗远近效应以及压制式干扰性能，使我国未来具有伪卫星接收以及强抗干扰能力的新体制导航系统具备关键技术支撑。

本项目针对我国全球卫星导航系统(GNSS)为背景，采用空域、时域、极化域多维域处理，开展了伪卫星导航系统的多维域远近效应抑制技术方法与算法、极化-空-时多维域远近效应与抗干扰综合抑制方法与算法的研究，充分利用极化-空-时信息，提出了有效的处理新准则、新方法以及新算法。重点解决了伪卫星远近效应抑制新算法、多维域自适应抗干扰的联合处理新准则、抗干扰算法的快速自适应性等关键科学问题。在多维远近效应抑制处理、极化敏感阵列导航抗干扰处理、极化-空-时多维域远近效应与干扰综合抑制处理方面取得创新性研究成果。本项目的部分研究成果已应用于我国某重点型号卫星导航抗干扰接收机，取得了良好的效果。本项目在国内外重要刊物和会议上发表研究论文27篇，其中SCI检索15篇、EI检索10篇。获国防科技进步二等奖1项，成果鉴定1项，授权专利6项，受理专利9项。