广播式自动相关监视系统研究与实现

Research and Implementation of Automatic Dependent Surveillance - Broadcast System

摘要:

广播式自动相关监视(Automatic Dependent Surveillance - Broadcast,ADS-B)系统是通用航空监视的必备设备,先前ADS-B技术长期被国外垄断,设备价格昂贵且与我国现有的技术体系存在兼容问题,为此设计了一套基于FPGA的小型ADS-B系统。系统能够在FPGA中实现信号预处理、数据传输等功能,上位机完成数据解算并实时显示解算结果,通过外场试验对系统数据解算结果和精度进行分析与评价。试验结果表明,试验系统数据处理速度快、具有较少的错误解算率和较高的集成度,符合ADS-B接收设备指标要求,能够大幅降低通航成本。

Abstract:

Automatic Dependent Surveillance - Broadcast (ADS-B) system is the necessary equipment for General Aviation Surveillance. The ADS-B technology has long been monopolized abroad. The equiment is very expensive and it has some compatible problem with the current technology system. Therefore a small integrated ADS-B system based on FPGA was designed in this paper. Signal pre-processing and data transmission were implemented in FPGA, and data decoding and displaying were done by personal computer in real time. The effectiveness and precision of the data decoding results were analyzed and evaluated by certain relevant tests, and shows that the system has a fast data processing speed, a high decoding accuracy and high integration, which satisfies the specification of receiving equipment and can greatly reduce the cost of navigation for general aviation.