Hft90d window function (90.2 dB)

void riscv_hft90d_f32(float32_t *pDst, uint32_t blockSize)

void riscv_hft90d_f64(float64_t *pDst, uint32_t blockSize)

group WindowHFT90D

Functions

void riscv_hft90d_f32(float32_t *pDst, uint32_t blockSize)

Hft90d window generating function (f32).

Hft90d window (float).

Parameter	Value
Peak sidelobe level	90.2 dB
Normalized equivalent noise bandwidth	3.8832 bins
3 dB bandwidth	3.8320 bins
Flatness	-0.0039 dB
Recommended overlap	76.0 %

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

Returns

none

void riscv_hft90d_f64(float64_t *pDst, uint32_t blockSize)

Hft90d window generating function (f64).

Hft90d window (double).

Parameter	Value
Peak sidelobe level	90.2 dB
Normalized equivalent noise bandwidth	3.8832 bins
3 dB bandwidth	3.8320 bins
Flatness	-0.0039 dB
Recommended overlap	76.0 %

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

Returns

none