现代信号处理中谱估计在matlab中的使用，最大似然（ML）准则和最大后验概率（MAP）准则，包括调制，解调，信噪比计算，用于特征降维，特征融合，相关分析等,FIR 底通和带通滤波器和IIR 底通和带通滤波器，可以动态调节运行环境的参数。- Modern signal processing used in the spectral estimation in matlab, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Includes the modulation, demodulation, signal to noise ratio calculation, For feature reduction, feature fusion, correlation analysis, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Can dynamically adjust the parameters of the operating environment.