基于FPGA的多GNSS抗干扰高精度定位装置设计

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中图分类号：TN96 文献标识码：A 文章编号：2096-4706（2026）06-0001-06

Design of Multi-GNSS Anti-interference High-precision Positioning Device Based on FPGA

LIUXiaoyi，JIANGYuejian，LIUFan，LIUXinyi （ChengduAircraft Industrial（Group） Co.，Ltd.，Chengdu 61oo92， China）

Abstract：Aimingatthe problemsofsingle navigation information type，lowpositioning acuracyweakanti-interference capabilityndbvious positioningriftoftaditionalGSpositioningdevies，tispaperdesignsamulti-GNSanti-interfernce high-precision positioningdevice.Firstly，multi-GNSSreceiversareused toreceive navigation information fromdifferent constelationcombinationssimultaneouslySecondlybyncreasingtheumberofrecevingchannels，multipletypsofatelite navigationdataarecomparedandcalculatedtoflteroutabnormaldatageneratedbymalicious interference.Finalyefctive dataare fusedand processd to improve positioning accuracyandstability.Continuous datacollectionis performed formore than 40 000 times intheoutdoor environment.Theresults showthat，compared withthe traditional single GPS receiver design， the positioningstabilityissignificantlyimproved，andstablepositioning ismaintaiedeveninspecial environments wereany systemis interfered withorfails.Theexperimentproves thatthedesignhastheadvantagesofstronganti-interference，high precision， and good stability.

Keywords： integrated navigation; GNSS; high-precision; data fusion

0 引言

全球导航卫星系统（GlobalNavigationSatelliteSystem，GNSS）作为能在地球表面或近地空间的任何地点为用户提供全天候的三维坐标、速度以及时间信息的空基无线电导航定位系统，已在军事和民用领域产生显著效果，成为不可或缺的基础设施，并且以飞速增长的态势在智能交通、航空航天等领域广泛应用[1-2]。（剩余7682字）