各种结果均显示谐波恢复的ESPRIT方法在提取谐波频率方面较之其它方法更为优越，用它提取直升机声信号特征是十分有效的。
Finally, by using ESPRIT harmonic frequencies are extracted from real measured helicopter acoustic signal. All results demonstrate that ESPRIT is superior t…
各种结果均显示谐波恢复的ESPRIT方法在提取谐波频率方面较之其它方法更为优越，用它提取直升机声信号特征是十分有效的。
Finally, by using ESPRIT harmonic frequencies are extracted from real measured helicopter acoustic signal. All results demonstrate that ESPRIT is superior t…
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