A Modified Complex Variational Mode Decomposition Method for Analyzing Nonstationary Signals with the Low-Frequency Trend.
Qiuyan MiaoQingxin ShuBin WuXinglin SunKaichen SongPublished in: Sensors (2022)
Keyphrases
- non stationary
- low frequency
- decomposition method
- high frequency
- frequency domain
- wavelet transform
- blind source separation
- empirical mode decomposition
- fourier analysis
- biomedical signals
- wavelet analysis
- subband
- decomposition algorithm
- adaptive algorithms
- discrete wavelet transform
- decomposition methods
- electromagnetic fields
- image segmentation
- signal processing
- random fields
- multi component
- low pass
- instantaneous frequency
- autoregressive
- wavelet coefficients
- original images
- high frequency components
- feature extraction