It can be applied to extract line spectra features and reduce the amount of data in noise and vibration spectra.
它适用于在噪声或振动谱上提取线谱特征和压缩数据量，是利用谱特征进行模式识别的有效预处理手段。
Line spectra provide significant information in ship-radiated noise. Extracting spectral lines from ship-radiated noise is a key technique in identification of underwater targets.
线谱是船舶辐射噪声中重要的特征信息，线谱提取是水中目标识别的关键技术。
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