The Mechanism of Ultra-Low Frequency Oscillations With the Same Mode Shapes.
Peng WangBaohong LiJingbo ZhaoTianqi LiuQin JiangGang ChenPublished in: IEEE Access (2020)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- low pass
- wavelet analysis
- frequency band
- discrete wavelet transform
- subband
- wavelet coefficients
- high frequency components
- dct domain
- original images
- high resolution
- contourlet transform
- wavelet domain
- denoising
- electromagnetic fields
- low and high frequency
- image processing