主要内容

异常检测

使用 AI 模型(包括深度学习网络)检测信号异常

提取稀疏时频特征来检测电磁、声学和振动数据中的异常。

函数

全部展开

deepSignalAnomalyDetectorCreate signal anomaly detector (自 R2023a 起)
audioDatastoreDatastore for collection of audio files
arrayDatastore内存中数据的数据存储
signalDatastoreDatastore for collection of signals
imageDatastore图像数据的数据存储
waveletScatteringWavelet time scattering
signalTimeFeatureExtractorStreamline signal time feature extraction (自 R2021a 起)
signalFrequencyFeatureExtractorStreamline signal frequency feature extraction (自 R2021b 起)
signalTimeFrequencyFeatureExtractorStreamline signal time-frequency feature extraction (自 R2024a 起)
stftLayerShort-time Fourier transform layer (自 R2021b 起)
istftLayerInverse short-time Fourier transform layer (自 R2024a 起)
cwtLayerContinuous wavelet transform layer (自 R2022b 起)
icwtLayerInverse continuous wavelet transform layer (自 R2024b 起)
modwtLayerMaximal overlap discrete wavelet transform layer (自 R2022b 起)

精选示例