摘要
介绍了高动态GPS信号模拟器的设计原理和组成,阐述了设计中的关键技术,并给出了软件和硬件实现方案。其中软件部分采用V isual Basic 6.0和V isual C++完成,硬件信号处理板采用FPGA完成,通过高速的计算机并口实现了软硬件之间通信。此系统被成功的应用到了卫星导航定位系统的研发过程中,工作性能稳定,具有了模拟器的基本功能,为验证接收机的定位性能、信号跟踪和捕获性能等提供了一个逼真的高动态信号环境。
The design principle and composing of high dynamic GPS signal simulator are introduced; the key technique of design is expounded; software and hardware implementation schemes are also provided. The software part is implemented by using Visual Basic 6.0 and Visual C ＋ ＋ platforms, and the hardware signal processing circuit board is completed by FPGA. The communication of software and hardware is realized via the high speed parallel ports. The simulator has been applied in the R＆D process of the satellite navigation system successfully, and its current working performance is stable, and it possesses the fundamental function of a simulator. The simulator can provide a vivid high dynamic signal environment for the validations of orientation performance, signal track and capture performance of a receiver.
出处
《宇航计测技术》
CSCD
2006年第5期1-6,共6页
Journal of Astronautic Metrology and Measurement
