同步提取变换SET

上传者: 41320945 | 上传时间: 2021-05-08 19:43:06 | 文件大小: 225KB | 文件类型: ZIP
“同步提取变换”(Synchroextracting Transform,SET),(1)时频分辨率高,renyi熵低于目前99%的TFA方法(即能量聚集性高),处理结果非常接近ITFA目标; (2)可用于模态分解,在低信噪比的情况下,具有较好的噪声鲁棒性; (3)能够用于弱信号检测,可及时发现微弱故障特征; (4)计算复杂度与STFT处于同一水平,可用于实时计算; (5)无需太多输入参数,与STFT一样,是属于无参数化的方法; (6)该方法可移植于小波变换、S变换等方法

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