CMSIS-DSP  
CMSIS DSP Software Library
 
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Hft248d window function (248.4 dB)

Functions

void arm_hft248d_f32 (float32_t *pDst, uint32_t blockSize)
 Hft248d window generating function (f32).
 
void arm_hft248d_f64 (float64_t *pDst, uint32_t blockSize)
 Hft248d window generating function (f64).
 

Description

Function Documentation

◆ arm_hft248d_f32()

void arm_hft248d_f32 ( float32_t pDst,
uint32_t  blockSize 
)

Hft248d window generating function (f32).

Hft248d window (float).

Parameters
[out]pDstpoints to the output generated window
[in]blockSizenumber of samples in the window
Parameters of the window
Parameter Value
Peak sidelobe level 248.4 dB
Normalized equivalent noise bandwidth 5.6512 bins
3 dB bandwidth 5.5567 bins
Flatness 0.0009 dB
Recommended overlap 84.1 %

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_hft248d_f64()

void arm_hft248d_f64 ( float64_t pDst,
uint32_t  blockSize 
)

Hft248d window generating function (f64).

Hft248d window (double).

Parameters
[out]pDstpoints to the output generated window
[in]blockSizenumber of samples in the window
Parameters of the window
Parameter Value
Peak sidelobe level 248.4 dB
Normalized equivalent noise bandwidth 5.6512 bins
3 dB bandwidth 5.5567 bins
Flatness 0.0009 dB
Recommended overlap 84.1 %

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