分类
R2026b使用以数据为中心的 AI 工作流对信号进行分类。
App
函数
audioDatastore | Datastore for collection of audio files |
arrayDatastore | 内存中数据的数据存储 |
imageDatastore | 图像数据的数据存储 |
signalDatastore | Datastore for collection of signals |
waveletScattering | Wavelet time scattering |
signalTimeFeatureExtractor | Streamline signal time feature extraction |
signalFrequencyFeatureExtractor | Streamline signal frequency feature extraction |
signalTimeFrequencyFeatureExtractor | Streamline signal time-frequency feature extraction (自 R2024a 起) |
stftLayer | Short-time Fourier transform layer |
istftLayer | Inverse short-time Fourier transform layer (自 R2024a 起) |
cwtLayer | Continuous wavelet transform layer (自 R2022b 起) |
icwtLayer | Inverse continuous wavelet transform layer (自 R2024b 起) |
modwtLayer | Maximal overlap discrete wavelet transform layer (自 R2022b 起) |
模块
| Wavelet Scattering | Simulink 中的小波散射网络建模 (自 R2022b 起) |
相关信息
主题
- Use Experiment Manager Templates for Signal Processing Workflows (Signal Processing Toolbox)
Set up and run deep learning experiments for signal segmentation, classification, and regression.
- Signal Segmentation by Sweeping Hyperparameters (Signal Processing Toolbox)
- Signal Classification by Sweeping Hyperparameters (Signal Processing Toolbox)
- Signal Classification Using Transfer Learning (Signal Processing Toolbox)
- Signal Regression by Sweeping Hyperparameters (Signal Processing Toolbox)
精选示例
CBRS Band Radar Detection in 5G Signals and Noise Using YOLOX
Detect rectangular and linear-FM radar pulse waveforms embedded in a 5G+noise environment using a combination of time-frequency maps and a deep learning object detector.
(Signal Processing Toolbox)
- 自 R2026b 起
Direction-of-Arrival Estimation Using Deep Learning
Estimate direction of arrival using deep learning by predicting angular directions directly from the sample covariance matrix.
- 自 R2025a 起
- 打开实时脚本
Indoor Non-Line-Of-Sight Localization Using Deep Learning
To address the NLOS challenge, fingerprinting-based methods have gained popularity. Unlike traditional techniques that use low-dimensional range and angle features, fingerprinting can leverage high-dimensional signatures—such as channel state information (CSI) or range-angle heatmaps which encapsulate rich environmental information, including NLOS effects. Deep learning models excel at extracting meaningful patterns from these complex, high-dimensional inputs, enabling direct mapping from signal fingerprints to precise position estimates.
(Phased Array System Toolbox)
- 自 R2026a 起
CBRS Band Radar Parameter Estimation Using YOLOX
Detect radar pulses in noise and estimates the pulse parameters using a combination of time-frequency maps and a deep-learning object detector.
- 自 R2025a 起
- 打开实时脚本
Spoken Digit Recognition with Custom Log Spectrogram Layer and Deep Learning
Classify spoken digits using a deep convolutional neural network and a custom spectrogram layer.
(Signal Processing Toolbox)
Hand Gesture Classification Using Radar Signals and Deep Learning
Classify ultra-wideband impulse radar signal data using a MISO convolutional neural network.
Musical Instrument Classification with Joint Time-Frequency Scattering
Classify musical instruments using joint time-frequency features paired with a 3-D convolutional network.
Classify Arm Motions Using EMG Signals and Deep Learning
Classify arm motions using labeled EMG signals and a long short-term memory network.
(Signal Processing Toolbox)
- 自 R2022a 起
Wavelet Time Scattering Classification of Phonocardiogram Data
Classify human phonocardiogram recordings using wavelet time scattering and a support vector machine classifier.
(Wavelet Toolbox)
Export Labeled Data from Signal Labeler for Deep Learning Classification
Label signals and export data using Signal Labeler to train a deep learning classifier.
Machine Learning and Deep Learning Classification Using Signal Feature Extraction Objects
Use signal feature extraction objects and AI-based classification to identify faulty bearing signals in mechanical systems.
Acoustic Scene Classification with Wavelet Scattering
Use wavelet scattering and joint time-frequency scattering with a support vector machine to classify urban environments by sound.
(Wavelet Toolbox)
- 自 R2024b 起
Air Compressor Fault Detection Using Wavelet Scattering
Classify faults in acoustic recordings of air compressors using a wavelet scattering network and a support vector machine.
(Wavelet Toolbox)
Pedestrian and Bicyclist Classification Using Deep Learning
Classify pedestrians and bicyclists based on their micro-Doppler characteristics using deep learning and time-frequency analysis.
(Radar Toolbox)
Time-Frequency Convolutional Network for EEG Data Classification
Classify electroencephalographic (EEG) time series from persons with and without epilepsy.
Signal Classification Using Wavelet-Based Features and Support Vector Machines
Classify electrocardiogram signals using features derived from wavelets and an autoregressive model.
(Wavelet Toolbox)
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