激光多普勒测振技术在固体火箭发动机试验中的应用研究综述  

A Review of the Application of Laser Doppler Vibration Measurement Technology in Solid Rocket Motor Test

作　　者：何宪光 沈飞 谢俊彦 HE Xian-guang;SHEN Fei;XIE Jun-yan(Xi’an Aerospace Propulsion Testing Technology Research Institute,Xi’an 710025)

机构地区：[1]西安航天动力测控技术研究所,西安710025

出　　处：《环境技术》2023年第11期60-66,86,共8页Environmental Technology

摘　　要：激光测振技术以其高精度、非接触等优点应用于各个领域。本文介绍了激光三角法、全息干涉测量法、激光散斑干涉法和激光多普勒法等主要的光学测振方法,并重点介绍了激光多普勒测振技术在固体火箭发动机振动测量试验中所遇到的问题——散斑噪声。针对存在的问题,本文对当前常用的降噪方法进行了总结。Laser vibration measurement technology is applied to various fields with its advantages of high precision and non-contact.This paper introduces the main optical vibration measurement methods such as laser triangulation,holographic interferometry,laser speckle interferometry and laser Doppler method,and focuses on the problem encountered in the vibration measurement test of solid rocket motor by laser Doppler vibration measurement technology-speckle noise.In view of the existing problems,this paper summarizes the commonly used noise reduction methods.

关 键 词：激光多普勒测振技术 固体火箭发动机 散斑噪声 降噪 

分 类 号：V435[航空宇航科学与技术—航空宇航推进理论与工程]