混合色噪声背景下谐波恢复——可抑制伪峰的互高阶谱SVD—TLS方法

Harmonic Retrieval Embedded in Hybrid Colored Noises——The Cross-high-order Spectral SVD-TLS Approach with Restrictable False Peaks

分析了正弦谐波信号的扩阶互四阶累积量矩阵的特征,提出消除扩阶方程产生的谱谱估计伪峰的理论与方法。

According to characteristic analysis on the cross-four-order cumulative matrix of the sinusoidal harmonic signal, this paper puts forward the theories and methods for eliminating the spectrum estimated false peaks caused by the extended characteristic equation, and according to the results of the emulation, points out that the cross-high-order spectrum SVD-TLS method can be totally used to eliminate the spectrum estimated false peaks and therefore increasing the spectrum resolution and noise-rejection ability.