中文说明：信号维数的估计，空间目标识别，采用PM算法，小波包分析提取振动信号中的特征频率，抑制载波型差分相位调制，最小二乘回归分析算法，一个计算声子晶体结构的一维传递矩阵法。
English Description：
Dimension of signal estimation, target recognition of the space target using PM algorithm, wavelet packet analysis to extract the characteristic frequency of the vibration signal and differential phase modulation carrier suppression, least squares regression analysis algorithm, a computational one-dimensional phononic crystal structure of transfer matrix method.