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使用 AI 进行信号处理


Signal Processing Toolbox™ 为机器学习和深度学习工作流提供执行信号标注、特征工程和数据集生成的功能。该工具箱还提供一个 autoencoder 对象,您可以对其进行训练并用于检测信号数据中的异常。


信号标注器Label signal attributes, regions, and points of interest, and extract features (自 R2019a 起)
EDF 文件分析器View EDF or EDF+ files (自 R2021a 起)



labeledSignalSetCreate labeled signal set
signalLabelDefinitionCreate signal label definition
countlabelsCount number of unique labels (自 R2021a 起)
filenames2labelsGet list of labels from filenames (自 R2022b 起)
folders2labelsGet list of labels from folder names (自 R2021a 起)
splitlabelsFind indices to split labels according to specified proportions (自 R2021a 起)
signalMaskModify and convert signal masks and extract signal regions of interest (自 R2020b 起)
binmask2sigroiConvert binary mask to matrix of ROI limits (自 R2020b 起)
extendsigroiExtend signal regions of interest to left and right (自 R2020b 起)
extractsigroiExtract signal regions of interest (自 R2020b 起)
mergesigroiMerge signal regions of interest (自 R2020b 起)
removesigroiRemove signal regions of interest (自 R2020b 起)
shortensigroiShorten signal regions of interest from left and right (自 R2020b 起)
sigroi2binmaskConvert matrix of ROI limits to binary mask (自 R2020b 起)
sigrangebinmaskLabel signal samples with values within a specified range (自 R2023a 起)
edfinfoGet information about EDF/EDF+ file (自 R2020b 起)
edfwriteCreate or modify EDF or EDF+ file (自 R2021a 起)
edfheaderCreate header structure for EDF or EDF+ file (自 R2021a 起)
edfreadRead data from EDF/EDF+ file (自 R2020b 起)
signalDatastoreDatastore for collection of signals (自 R2020a 起)
resizeResize data by adding or removing elements (自 R2023b 起)
paddataPad data by adding elements (自 R2023b 起)
trimdataTrim data by removing elements (自 R2023b 起)
dlstftDeep learning short-time Fourier transform (自 R2021a 起)
stftLayerShort-time Fourier transform layer (自 R2021b 起)
findchangeptsFind abrupt changes in signal
findsignalFind signal location using similarity search
fsstFourier synchrosqueezed transform
instbwEstimate instantaneous bandwidth (自 R2021a 起)
instfreqEstimate instantaneous frequency
pentropySpectral entropy of signal
periodogramPeriodogram power spectral density estimate
pkurtosisSpectral kurtosis from signal or spectrogram
powerbwPower bandwidth
pspectrumAnalyze signals in the frequency and time-frequency domains
pwelchWelch’s power spectral density estimate
signalFrequencyFeatureExtractorStreamline signal frequency feature extraction (自 R2021b 起)
signalTimeFeatureExtractorStreamline signal time feature extraction (自 R2021a 起)
zerocrossrateZero-crossing rate (自 R2021b 起)
deepSignalAnomalyDetectorCreate signal anomaly detector (自 R2023a 起)