However, an exact relation between the normal mode shape and the complex FRF does exist.

然而, 正规振型与复频响函数间的确存在一正确的关系.

Focusing on this problem, a modal parameters identification algorithm based on left matrix fraction description of FRF was proposed.

针对该问题，提出一种基于频响函数左矩阵分式模型的模态参数识别方法。

A combined method for structural damage identification based on frequency response function(FRF)and genetic algorithm(GA)was presented.

提出一种基于频响函数和遗传算法的结构损伤识别方法。

A combined method for structural damage identification based on frequency response function (FRF) and genetic algorithm (GA) was presented.

提出一种基于频响函数和遗传算法的结构损伤识别方法。

Frequency response function (FRF) contains abundant structural dynamic characteristics, but the high redundancy and the huge data confine its application.

结构的频响函数包含了更丰富的结构动力信息，但数据量大、冗余度高，不利于工程应用。

Based on the theory of modal superposition and power series expansion, a modal superposition method for the sensitivity analysis of FRF is proposed in this paper.

基于模态展开和幂级数展开原理，提出了一种频响函数灵敏度分析的模态展开法。

The common Frequency Deconvolution Method (FDM) to address this problem can be invalid because of the ill-conditioned structural frequency response function (FRF).

由于结构频响函数往往是病态矩阵，常用的频域反卷积法会失效。