DP传感器研究及桥梁自振特性测试  

Research on DP Transducer and Its Application in Measurement of Self Vibration Characteristics of Railway Bridge

作　　者：杨学志[1,2] 严普强[1,2] 张锻[1,2] 周佳[1,2] 邓蓉[1,2] 

机构地区：[1]清华大学精密仪器系 [2]铁道科学研究院铁建所

出　　处：《振动．测试与诊断》1997年第2期51-56,共6页Journal of Vibration,Measurement & Diagnosis

摘　　要：研究了磁电传感器的动态特性补偿方法，开发出具有高机械稳定性和低固有频率的ＤＰ传感器，并利用ＤＰ传感器对铁路桥梁的自振特性进行了测试。实验表明了该传感器的有效性。This paper presents a compensation method for seismic velocity transducers, and besed on this method develops a DP transducer which has a high mechanical stability and low natural frequency. The DP transducer is used in measuring the self vibration characteristics of a railway bridge, which proves to be an effective method.

关 键 词：DP传感器 动态特性补偿 自振特性 桥梁振动 

分 类 号：U441.3[建筑科学—桥梁与隧道工程] TP212[交通运输工程—道路与铁道工程]