单输入单输出的频域模态参数识别方法，正交多项式拟合法，通过拟合频响函数曲线得到结构的固有频率、阻尼-Single-input single-output frequency domain modal parameter identification method, orthogonal polynomial fitting, the natural frequency of the structure obtained by fitting the curve of the frequency

运用大型有限元计算软件nastran求结构频响函数的代码，输入为结构模型坐标-The use of large-scale finite element calculation software the nastran seeking structure FRF code, input structure model coordinate

运用大型有限元计算软件nastran求某卫星结构频响函数以及随机振动的代码，输入为结构模型坐标-The use of large-scale finite element calculation software the nastran seeking structure FRF code, input structure model coordinate