直升机振动时间段快速提取技术研究  

Research on rapid extraction technology of helicopter vibration time period

作　　者：刘升护[1] 杨哲[1] 山寿[1] LIU Sheng hu;YANG Zhe;SHAN Shou(China Flight Test Institute,Xi’an 710089,China)

机构地区：[1]中国飞行试验研究院

出　　处：《电子设计工程》2019年第21期1-4,共4页Electronic Design Engineering

基　　金：国防基础科研项目(JCKY2016205B006)

摘　　要：针对某型直升机振动试飞数据量大,数据处理周期长的特点,通过研究直升机振动科目试飞模型,提取判定直升机振动科目的关键参数及其变化规律,结合数据预处理技术,快速提取直升机振动各科目时间段,从而缩短了振动数据处理周期,提高振动数据处理效率。使用表明,该技术对提高直升机振动数据处理起到了积极的作用。In view of the large amount of data and the long data processing period of a helicopter's vibration test flight,the key parameters of the helicopter vibration subject and its variation law are extracted by studying the helicopter vibration test flight model,and the data pretreatment technology is combined to quickly extract the helicopter vibration.The time period of each subject shortens the vibration data processing cycle and improves the vibration data processing efficiency.The use shows that this technology has played a positive role in improving helicopter vibration data processing.

关 键 词：直升机 振动 时间段 预处理 

分 类 号：TN91[电子电信—通信与信息系统]