zoom_fft

scirs2_fft::czt

Function zoom_fft 

Source 
pub fn zoom_fft<S, D>(
    x: &ArrayBase<S, D>,
    m: usize,
    f0: f64,
    f1: f64,
    oversampling: Option<f64>,
) -> FFTResult<ArrayD<Complex<f64>>>
where
    S: Data<Elem = Complex<f64>>,
    D: Dimension + RemoveAxis,
Expand description

Compute a zoom FFT - partial DFT on a specified frequency range

Efficiently evaluates the DFT over a subset of frequency range.

ยงParameters

  • x: Input signal
  • m: Number of output points
  • f0: Starting normalized frequency (0 to 1)
  • f1: Ending normalized frequency (0 to 1)
  • oversampling: Oversampling factor for frequency resolution