The combination of short time spectrum analysis, extraction and iteration has a high estimation precision and a little amount of computation.
该方法通过短时谱分析与抽取叠代相结合，提高了估计精度，减少了运算量。
This paper examines how to use AR Spectrum estimation method to improve the locating precision of the material 's flaw position in ultrasonic testing.
文中详细介绍了如何采用AR谱估计方法来提高超声无损探伤中对缺陷位置的精确定位。
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。
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