基于COFDM的汽渡实时移动视频监控系统  

Design of Real-time Mobile Video Monitoring System for Ferryboats Based on COFDM

作　　者：杨振华[1] 

机构地区：[1]南通纺织职业技术学院,南通226007

出　　处：《南通纺织职业技术学院学报》2010年第1期4-7,共4页Journal of Nantong Textile Vocational Technology college

摘　　要：为实现汽渡实时移动视频监控,简要分析对比了现有的无线视频传输技术,采用基于COFDM的无线视频移动传输技术,结合数字媒体处理器TMS320DM642实现实时H.264编/解码,设计了一套实时视频采集和无线移动传输方案,主要阐述了COFDM技术在该方案中的具体实施要点.系统很好地实现了渡轮在远程、多障碍物、移动情况下的实时监控.Analyzed and contrasted the existing technologies of mobile video transmission,and designed a program with real-time video capture and wireless mobile transmission,which realized the real-time mobile video monitoring of ferryboats.The program employed wireless video mobile transmission technology based on COFDM,as well as the technology of real-time H.263 encoding/decoding by means of digital media processor TMS 320 DM642.Major implementation points of COFDM technology in the program were elaborated.The system well achieved real-time monitoring of the ferryboats on the occasions of long distance,multi-barriers and movement.

关 键 词：COFDM 移动视频监控 数字媒体处理器 

分 类 号：TP393[自动化与计算机技术—计算机应用技术] TP277[自动化与计算机技术—计算机科学与技术]