桂林电子科技大学学报
桂林電子科技大學學報
계림전자과기대학학보
Journal of Guilin University of Electronic Technology
2015年
5期
356-360
,共5页
BD2接收机%MAX21 12%ARM%FPGA
BD2接收機%MAX21 12%ARM%FPGA
BD2접수궤%MAX21 12%ARM%FPGA
BD2 recevier%MAX21 12%ARM%FPGA
为了接收北斗卫星 B2频点信号,设计了一种基于 ARM+ FPGA 的 BD2接收机。该设计采用 MAX2112和MAX1003分离元器件构建射频前端模块,辅以基带信号处理模块、通讯模块和电源模块搭建了接收机的硬件平台。在硬件平台的基础上,设计了 ARM 和 FPGA 的软件功能。测试结果表明,设计的样机能够正确捕获跟踪 B2频点信号,经度标准差为1.5 m,纬度标准差为5.1 m,高度标准差为4.4 m,定位精度达到了设计目标。
為瞭接收北鬥衛星 B2頻點信號,設計瞭一種基于 ARM+ FPGA 的 BD2接收機。該設計採用 MAX2112和MAX1003分離元器件構建射頻前耑模塊,輔以基帶信號處理模塊、通訊模塊和電源模塊搭建瞭接收機的硬件平檯。在硬件平檯的基礎上,設計瞭 ARM 和 FPGA 的軟件功能。測試結果錶明,設計的樣機能夠正確捕穫跟蹤 B2頻點信號,經度標準差為1.5 m,緯度標準差為5.1 m,高度標準差為4.4 m,定位精度達到瞭設計目標。
위료접수북두위성 B2빈점신호,설계료일충기우 ARM+ FPGA 적 BD2접수궤。해설계채용 MAX2112화MAX1003분리원기건구건사빈전단모괴,보이기대신호처리모괴、통신모괴화전원모괴탑건료접수궤적경건평태。재경건평태적기출상,설계료 ARM 화 FPGA 적연건공능。측시결과표명,설계적양궤능구정학포획근종 B2빈점신호,경도표준차위1.5 m,위도표준차위5.1 m,고도표준차위4.4 m,정위정도체도료설계목표。
In order to receive B2-frequency signal of BeiDou satellites,BD2 receiver based on ARM and FPGA is designed. The design adopts MAX21 12 and MAX1003 separation components to build RF front-end modules,combining with the baseband signal processing module,the communication module and the power module,a hardware platform for the receiver is set up.On the basis of the hardware platform,the software function of ARM and FPGA is designed.Testing results show that B2-frequency signal can be accurately acquired and tracked by the designed receiver,longitude standard deviation is 1.5 m,latitude standard deviation is 5.1 m,height standard deviation is 4.4 m ,the positioning accuracy reaches the ex-pected effect.
