NMSIS-DSP  Version 1.2.0
NMSIS DSP Software Library
Hft90d window function (90.2 dB)

Functions

void riscv_hft90d_f32 (float32_t *pDst, uint32_t blockSize)
 Hft90d window generating function (f32). More...
 
void riscv_hft90d_f64 (float64_t *pDst, uint32_t blockSize)
 Hft90d window generating function (f64). More...
 

Detailed Description

Function Documentation

◆ riscv_hft90d_f32()

void riscv_hft90d_f32 ( float32_t *  pDst,
uint32_t  blockSize 
)

Hft90d window generating function (f32).

Hft90d window (float).

Parameters
[out]pDstpoints to the output generated window
[in]blockSizenumber of samples in the window
Returns
none
Parameters of the window
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 %

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

◆ riscv_hft90d_f64()

void riscv_hft90d_f64 ( float64_t *  pDst,
uint32_t  blockSize 
)

Hft90d window generating function (f64).

Hft90d window (double).

Parameters
[out]pDstpoints to the output generated window
[in]blockSizenumber of samples in the window
Returns
none
Parameters of the window
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 %

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