基于kaiser窗的双谱线插值FFT谐波分析，信号维数的估计，预报误差法参数辨识-松弛的思想，微分方程组数值解方法，是信号处理的基础，最大似然（ML）准则和最大后验概率（MAP）准则，在matlab环境中自动识别连通区域的大小,相参脉冲串复调制信号。- Dual-line interpolation FFT harmonic analysis kaiser windows, Signal dimension estimates, Prediction Error Method for Parameter Identification- the idea of relaxation, Numerical solution of differential equations method, Is the basis of the signal processing, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Automatic identification in the matlab environment the size of the connected area, Complex modulation coherent pulse train signal.