Efficient Frequency Estimation of Sinusoid Based on Autocorrelation and Discrete Time Fourier Transform.
Huanhuan SongLei FanJinyu LiuHuihao WuMingjie LiGuoqing QiPublished in: Circuits Syst. Signal Process. (2024)
Keyphrases
- fourier transform
- frequency domain
- signal processing
- fourier domain
- power spectral density
- radon transform
- log polar
- polar coordinates
- non stationary
- fourier descriptors
- fourier coefficients
- feature extraction
- correlation function
- fourier analysis
- discrete fourier transform
- spatial domain
- higher order
- pattern recognition
- multiscale