Hft144d window function (144.1 dB)

RISCV_DSP_ATTRIBUTE void riscv_hft144d_f32 (float32_t *pDst, uint32_t blockSize)
RISCV_DSP_ATTRIBUTE void riscv_hft144d_f64 (float64_t *pDst, uint32_t blockSize)
group WindowHFT144D

Functions

RISCV_DSP_ATTRIBUTE void riscv_hft144d_f32 (float32_t *pDst, uint32_t blockSize)

Hft144d window generating function (f32).

Hft144d window (float).

Parameter

Value

Peak sidelobe level

144.1 dB

Normalized equivalent noise bandwidth

4.5386 bins

3 dB bandwidth

4.4697 bins

Flatness

0.0021 dB

Recommended overlap

79.9 %

Parameters of the window

Included in NMSIS-DSP with authorization from professor Gerhard Heinzel.

Original article:

Spectrum and spectral density estimation by the Discrete Fourier transform (DFT), including a comprehensive list of window functions and some new flat-top windows.

Authors:

G. Heinzel, A. Rudiger and R. Schilling, Max-Planck-Institut fur Gravitationsphysik (Albert-Einstein-Institut) Teilinstitut Hannover

Parameters
  • pDst[out] points to the output generated window

  • blockSize[in] number of samples in the window

RISCV_DSP_ATTRIBUTE void riscv_hft144d_f64 (float64_t *pDst, uint32_t blockSize)

Hft144d window generating function (f64).

Hft144d window (double).

Parameter

Value

Peak sidelobe level

144.1 dB

Normalized equivalent noise bandwidth

4.5386 bins

3 dB bandwidth

4.4697 bins

Flatness

0.0021 dB

Recommended overlap

79.9 %

Parameters of the window

Included in NMSIS-DSP with authorization from professor Gerhard Heinzel.

Original article:

Spectrum and spectral density estimation by the Discrete Fourier transform (DFT), including a comprehensive list of window functions and some new flat-top windows.

Authors:

G. Heinzel, A. Rudiger and R. Schilling, Max-Planck-Institut fur Gravitationsphysik (Albert-Einstein-Institut) Teilinstitut Hannover

Parameters
  • pDst[out] points to the output generated window

  • blockSize[in] number of samples in the window