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词汇
time-frequency character
释义
time-frequency character
基本
例句
时频特征
Secondly, to the nonstationarity of diesel engine noise, this paper focuses on the extraction of time frequency feature using wavelet scalogram.
其次针对噪声信号的非平稳性，研究基于小波尺度谱噪声分量的时频特征分析。
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更新时间：2025/10/23 16:19:36