Struct SparseFFT 

pub struct SparseFFT { /* private fields */ }

Sparse FFT processor

Implementations

impl SparseFFT

pub fn new(config: SparseFFTConfig) -> Self

Create a new sparse FFT processor with the given configuration

pub fn with_default_config() -> Self

Create a new sparse FFT processor with default configuration

pub fn estimate_sparsity<T>(&mut self, signal: &[T]) -> FFTResult<usize>

where T: NumCast + Copy + Debug + 'static,

Estimate sparsity of a signal

pub fn sparse_fft<T>(&mut self, signal: &[T]) -> FFTResult<SparseFFTResult>

where T: NumCast + Copy + Debug + 'static,

Perform sparse FFT on the input signal

pub fn sparse_fft_full<T>(&mut self, signal: &[T]) -> FFTResult<Vec<Complex64>>

where T: NumCast + Copy + Debug + 'static,

Perform sparse FFT and reconstruct the full spectrum

pub fn reconstruct_signal( &self, sparse_result: &SparseFFTResult, n: usize, ) -> FFTResult<Vec<Complex64>>

Reconstruct time-domain signal from sparse frequency components