一种间接的估计信号的1.5维谱的方法，1.5维谱可以有效的抑制高斯噪声，加强低频分量。

一种间接的估计信号的1.5维谱的方法，1.5维谱可以有效的抑制高斯噪声，加强低频分量。-An indirect estimate of the signal spectrum of 1.5-dimensional method, 1.5-dimensional spectrum can effectively suppress Gaussian noise, to enhance low frequency components.

1.5维谱，信号处理方面，用于微弱信号特征提取-1.5-dimensional spectrum, signal processing, feature extraction for weak signal