Automatic modulation recognition of communication signal based on wavelet transform combined with singular value and NCA-CNN.
Yixin DingPublished in: WOCC (2023)
Keyphrases
- wavelet transform
- singular values
- high frequency
- convolutional neural network
- wavelet analysis
- low frequency
- feature extraction
- singular value decomposition
- wavelet coefficients
- multiresolution
- signal detection
- received signal
- object recognition
- subband
- image compression
- signal processing
- pattern recognition
- multiscale
- amplitude modulation
- machine learning
- viewpoint
- wavelet domain
- modulation scheme
- active learning
- signal to noise ratio
- low rank
- watermarked image