但以往的谱估计都是采用互功率谱估计和高阶自谱估计的各种方法。
Spectral estimation always applies cross spectral theory and high order self spectral theory up to now.
该算法基于互功率谱估计，具有算法复杂度低、精确度高、适用频率范围广等优点。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
该算法基于互功率谱估计，具有算法复杂度低、精确度高、适用频率范围广等优点。
Based on the cross-power spectrum estimation, the algorithm has the advantages of lower complexity and better precision over wide frequency band.
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