卫星图像数据高速传输与处理系统的设计与验证  

Design and Validation of a High-speed Satellite Image Data Transmission and Processing System

作　　者：白玉 胡旋 耿世松 BAI Yu;HU Xuan;GENG Shisong(College of Electronic and Information Engineering,Shenyang Aerospace University,110136,China;Institute of Software,Chinese Academy of Sciences,100190,China)

机构地区：[1]沈阳航空航天大学电子信息工程学院,沈阳110136 [2]中国科学院软件研究所,北京100190

出　　处：《电讯技术》2024年第2期215-221,共7页Telecommunication Engineering

摘　　要：传统星上系统开发与研制通常是基于特定的专用宇航器件,这使得其开发周期长且可移植性较差。针对该问题,提出了一种基于Xilinx ZYNQ UltraScale+平台的ARM+可编程逻辑的解决方案。该方案用Vivado配置FPGA硬件架构,采用SDK(Software Development Kit)配置ARM实现两者数据交互。在整个系统设计中,通过集成在芯片内部的高速串行收发器和Aurora协议作为载体进行高速片间传输;采用自定义帧协议保证传输可靠性及安全性;采用AXI-Stream接口使其具有各类算法即插即用的灵活性;最后为验证本系统可以支持各类算法进行星上实时图像处理,通过在逻辑侧添加Sobel边缘检测算法进行验证。测试结果表明该系统图像数据传输无误码,星上串行高速传输速率较高,系统总体传输延时较低,且系统具有较强的算法通用性。Traditional on-board system development and exploitation is usually based on specific dedicated astronautical devices,which makes its development cycle long and portability poor.To address this problem,an ARM+programmable logic solution based on the Xilinx ZYNQ UltraScale+platform is proposed.The solution uses Vivado to configure the FPGA hardware architecture and Software Development Kit(SDK)to configure ARM for data interaction between the two.The high-speed serial transceiver integrated in the chip and the Aurora protocol are used as carriers for high-speed inter-chip transmission.A custom frame protocol is used to ensure transmission reliability and security.The AXI-Stream interface is used throughout the system design to provide the flexibility of plug-and-play for various algorithms.Finally,to verify that the system can support various algorithms for on-board real-time image processing,the Sobel edge detection algorithm is added to the logical side.The test results show that the system has high on-satellite serial high-speed transmission rate,no error code for image data transmission,low overall transmission delay,and strong algorithm versatility.

关 键 词：星上数据传输 异步架构 Aurora协议 DMA 实时图像处理 

分 类 号：TN927[电子电信—通信与信息系统]