高轨遥感卫星数传处理器设计与验证  

Design and Verification of Data Transmission Processor for High-orbit Remote Sensing Satellite

作　　者：李永峰[1] 李文东 阎昆 刘晓飞 郑小松[1] LI Yongfeng;LI Wendong;YAN Kun;LIU Xiaofei;ZHENG Xiaosong(Xi’an Institute of Space Radio Technology,Xi’an 710100,China;Institute of Remote Sensing Satellite,China Academy of Space Technology,Beijing 100094,China;Xi’an Technology Institute of Microelectronics,Xi’an 710065,China)

机构地区：[1]西安空间无线电技术研究所,西安710100 [2]中国空间技术研究院遥感卫星总体部,北京100094 [3]西安微电子技术研究所,西安710065

出　　处：《航天器工程》2025年第2期66-74,共9页Spacecraft Engineering

摘　　要：针对高轨遥感卫星获取信息成本高、成像分辨率低、星地链路带宽小、信号覆盖范围广的特点,提出一种数传处理器设计。采用高可靠数据接口、高保真图像压缩、多文件存储管理、自适应速率控制等多项关键技术,以较低的硬件资源开销实现了多个设备间高速遥感数据的无误码交换,具有更优的图像压缩性能,在不增加额外硬件资源配置的前提下可支持多个任务的并行开展,并使传输通道的有效帧效率达到100%。文章提出的设计,高效实现了高轨遥感卫星的数据处理与传输需求,显著提升了高轨遥感卫星的应用效能。Aiming at the characteristics of high-orbit remote sensing satellite,such as high information acquisition cost,low imaging resolution,small satellite-ground link bandwidth,and wide signal coverage range,a data transmission processor design is proposed in the paper,which adopts a number of key technologies such as high reliable data interface,high fidelity image compression,multi-file storage management,adaptive rate control,etc.,and realizes the error-free code exchange of high-speed remote sensing data among multiple devices with lower hardware resource overhead,has better image compression performance,and supports several tasks to be carried out in parallel without increasing additional hardware resources,and enables the effective frame efficiency of the transmission channel to reach 100%.The design proposed in this paper efficiently realizes the data processing and transmission requirement of high-orbit remote sensing satellite and significantly improves the application efficiency of high-orbit remote sensing sate￣llites.

关 键 词：高轨遥感卫星 数传处理器 高保真图像压缩 多文件管理 

分 类 号：V474.2[航空宇航科学与技术—飞行器设计]