CMSIS-DSP  
CMSIS DSP Software Library
Hft169d window function (169.5 dB)

Functions

void arm_hft169d_f32 (float32_t *pDst, uint32_t blockSize)
 Hft169d window generating function (f32). More...
 
void arm_hft169d_f64 (float64_t *pDst, uint32_t blockSize)
 Hft169d window generating function (f64). More...
 

Description

Function Documentation

◆ arm_hft169d_f32()

void arm_hft169d_f32 ( float32_t pDst,
uint32_t  blockSize 
)

Hft169d 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 169.5 dB
Normalized equivalent noise bandwidth 4.8347 bins
3 dB bandwidth 4.7588 bins
Flatness 0.0017 dB
Recommended overlap 81.2 %

Included in CMSIS-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

◆ arm_hft169d_f64()

void arm_hft169d_f64 ( float64_t pDst,
uint32_t  blockSize 
)

Hft169d 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 169.5 dB
Normalized equivalent noise bandwidth 4.8347 bins
3 dB bandwidth 4.7588 bins
Flatness 0.0017 dB
Recommended overlap 81.2 %

Included in CMSIS-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