The dynamic charactersistics of Runyang suspension bridge are studied according to the real time monitoring system, and the FRF is reconstructed by a few principal components.

• 具体针对润扬长江大桥，结合实时监测系统的测点布置，对南汉悬索桥进行了动力特性分析，根据降维后的较少主元对结构频响进行重构。