Methods an ARM embedded system was used to achieve data transmission by implementing serial communication with GPS module, Beidou receiver and wireless digital broadcasting station.
方法：采用ARM嵌入式系统，并与G PS模块、北斗接收机和数传电台进行串口通信，实现数据的传输。
The paper analysis basic theorem of DLL in GPS receiver, simulate DLL using SPW software on SUN workstation, the model of each module and simulation result is presented.
该文分析了GPS接收机中dll的基本原理，利用交互式仿真平台SPW在SUN工作站上实现了DLL仿真，给出了各模块模型和仿真结果。
The hardware includes GPS receiver, pulse peak acquisition card, GPS clock module and industrial computer.
系统硬件部分包括GPS接收机、GPS时钟模块、脉冲峰值采集卡及工控机。
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