Laser doppler vibrometer system

要求为用于土木工程应用中各种振动测试的双通道激光测振仪系统提供资金。该系统在一辆工业移动电动车上完全配备了超远距镜头和双通道数据采集。这样的配置将允许我们在实验室和现场进行非接触式振动测量测试。我们感兴趣的是这样的系统：a)具有可针对特定或多种应用量身定做的模块化设计；b)提供使非接触式振动分析更加精确、简单、灵活和可靠的功能；以及c)可以作为小规模实验室测试的一部分，或一直扩展到全扫描测振仪系统。这种激光多普勒振动仪根据多普勒原理工作，测量来自振动结构的背向散射激光，以确定其振动速度和位移。

Funding is requested for a dual-channel laser vibrometer system to be used on a wide variety of vibration tests in Civil Engineering applications. This system is fully equipped with super long range lens and dual channel data acquisition in an industrial mobile electronic cart. Such configuration will allow us to conduct non-contact vibration measurements tests in the laboratory, as well as, in the field. We are interested on a system that: a) has a modular design that can be tailored to specific or multiple applications; b) provides features that make non-contact vibration analysis even more precise, simple, flexible and reliable; and c) can be incorporated as part of a small scale lab test, or expanded all the way up to a full scanning vibrometer system. This laser Doppler vibrometers operate on the Doppler principle, measuring back-scattered laser light from a vibrating structure, to determine its vibrational velocity and displacement.