CMSIS-DSP  
CMSIS DSP Software Library
 
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Welch window function (21.3 dB)

Functions

void arm_welch_f32 (float32_t *pDst, uint32_t blockSize)
 Welch window generating function (f32).
 
void arm_welch_f64 (float64_t *pDst, uint32_t blockSize)
 Welch window generating function (f64).
 

Description

Function Documentation

◆ arm_welch_f32()

void arm_welch_f32 ( float32_t pDst,
uint32_t  blockSize 
)

Welch window generating function (f32).

Welch 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 21.3 dB
Normalized equivalent noise bandwidth 1.2 bins
3 dB bandwidth 1.1535 bins
Flatness -2.2248 dB
Recommended overlap 29.3 %

◆ arm_welch_f64()

void arm_welch_f64 ( float64_t pDst,
uint32_t  blockSize 
)

Welch window generating function (f64).

Welch 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 21.3 dB
Normalized equivalent noise bandwidth 1.2 bins
3 dB bandwidth 1.1535 bins
Flatness -2.2248 dB
Recommended overlap 29.3 %