基于软件无线电的罗盘激励器系统设计

为了对某型无线电罗盘系统的性能进行调试与维护,提出了一种基于软件无线电思想的罗盘激励器的设计方案。对罗盘信号的结构和特点进行了分析,并重点对罗盘激励器的硬件和软件设计进行了介绍。系统硬件采用FPGA+DSP的方案,能够实现高速的运算和处理。软件部分则以DDS技术为核心,并通过调用FPGA的各种IP Core实现对罗盘信号的模拟输出。经过测试,采用该方案的罗盘激励器系统工作稳定,输出精度高,达到了各项指标的要求。

Design of compass actuator system based on software radio

To maintain and debug a certain type of radio compass system,a design method of compass actuator is proposed, which is based on the thought of software radio. The structure and characteristics of the compass signals are analyzed,and the hardware and software design of the compass actuator are focused on. The FPGA and DSP are used in hardware system,which could achieve high speed computing and processing. The software uses Direct Digital Synthesis（DDS）technology,and realizes the analog output of compass signals by applying various IP Core of FPGA. Through the test,it is proved that the compass actua-tor based on the program is stable and the output accuracy is high,the various standards reach the requirment.