基于DSP的信号处理系统设计及应用  

Design and Application of Signal Processing System Based on DSP

作　　者：何鑫[1] 李晓光[1] 杨莲莲 刘志成 张亦博 HE Xin;LI Xiaoguang;YANG Lianlian;LIU Zhicheng;ZHANG Yibo(Academy of Opto-Electronics,China Electronics Technology Group Corporation(AOE CETC),Tianjin,China;The Third Military Representative Office in Tianjin of KZ,Tianjin,China;Wuhan Donghu University,Wuhan,China)

机构地区：[1]中国电子科技集团公司光电研究院,天津 [2]KZ驻天津地区第三军事代表室,天津 [3]武汉东湖学院,武汉

出　　处：《光电技术应用》2024年第5期48-51,共4页Electro-Optic Technology Application

摘　　要：为了适应光电图像实时处理速度要求,设计了基于多核数字信号处理(digital signal processor,DSP)和现场可编程门阵列(field programmable gate array,FPGA)的信号处理系统。阐述了该系统的硬件及软件架构设计,图像采用光纤进行传输,可用于处理不同光波段的电荷耦合器件(charge coupled device,CCD)图像数据。以基于可见光CCD传感器的火灾监测系统为例,利用物体燃烧时火焰及烟雾等特征,采用图像特征提取算法对实时采集的图像进行处理,识别出火灾区域后进行上报。实验结果表明,该信号处理系统工作可靠稳定,具有图像高速并行处理能力,能够同时处理多路CCD图像,实现软件在线加载、图像存储卸载等功能,为光电图像处理系统平台提供一种通用解决方案。In order to meet the requirements of the processing speed in real time of electro-optical images,a signal processing system based on multi-core DSP and FPGA is designed.And the hardware and software architecture design of this system is introduced.Images are transmitted by optical fibers and can be used to process CCD image data in different optical bands.Taking a fire monitoring system based on visible light CCD sensor as an example,utilizing the characteristics of flames and smoke during object combustion,and the image feature extraction algorithm is used to process the collected images in real time.After identifying the fire area,it is reported.Experimental results show that the signal processing system works reliably and stably,and has the ability of high-speed parallel image processing,which can simultaneously process multiple CCD images,achieve software online loading,image storage and unloading functions,and provide a universal solution for the system platform of electro-optical image processing.

关 键 词：信号处理 图像 DSP 火灾监测 

分 类 号：TN911.73[电子电信—通信与信息系统]