【摘要】 文章从机载数据采集、记录、遥测传输等几个方面介绍了近年来国外航空遥测技术发展的特点及趋势。主要内容有 :机载数据采集的分布式体系结构、采集器内部开放式总线结构、同步采样、数字信号处理、全软件编程和自动化检测 ;机载记录从模拟记录转向数字记录、从单一记录转向采集记录一体化、从单一的磁带记录转向多种介质记录 ;遥测容量扩大、图像压缩传输、新型遥测接收天线、数字化设备等。更多还原

【Abstract】 The development trend of foreign aeronautical telemetry technology in data sampling,data recording,data transmission is described in this paper.The contents include a distributed system architecture for airborne data acquisition,an open bus structure in data acquisition unit,the synchronous sampling of signals,digital signal processing,full software programming and automatic test,etc.It is pointed out that the airborne data recording is changing from analogue recording to digital recording,from pure recording to the integrity of data acquisition and recording,from pure tape recording to multi-media recording.The other features include the increased telemetry capacity,the compressed image transmission,new telemetry receiving antennas,and digitized equipments.更多还原