一种轻小型遥感相机视频处理FPGA软件设计

摘要

The traditional video processing system of remote sensing camera has several drawbacks such as complex inter-faces and redundant functions ,which lead to disadvantage in debugging and integration .Highly-integrated video processing FPGA software design of a remote Sensing camera is introduced in this paper .This software realized all the video processing functions based on one VirtexII-3000 FPGA ,including TDICCD driving ,data acquisition ,image compression ,remote telemetry ,auxiliary data coding ,data transmission and imaging time calibration .This paper focuses on the multi-function integration ,JPEG2000 compression algorithm realization and data rate balance between the compression module and Spacewire interface .The single board test and ther-mal cycling tests had proved that this software realized all appointed functions and could run stably .%本文针对传统遥感视频处理系统接口多、功能冗余、组装不便等不足，结合某型号相机应用需求，完成了一种轻小型高集成度FPGA软件设计。该软件运行在VirtexII-3000 FPGA上，实现TDICCD驱动、数据采集、数据压缩、数据传输、遥控遥测、辅助数据编排及成像时刻标定等功能。本文重点介绍多功能集成软件设计、JPEG2000图像压缩以及压缩与Spacewire数传接口数据率的平衡。单板测试及热循环试验表明软件功能完备、性能可靠。