gr::fft::fft_shift< T > Class Template Reference

reorder FFT results which are ordered from 0 to 1 in normalized frequency to -0.5 to 0.5 by cyclic shift More...

#include <gnuradio/fft/fft_shift.h>

Public Member Functions
	fft_shift (size_t fft_length)
void	shift (std::vector< T > &v)
void	shift (T *data, size_t fft_len)
void	resize (size_t fft_length)

Detailed Description

template<typename T>
class gr::fft::fft_shift< T >

reorder FFT results which are ordered from 0 to 1 in normalized frequency to -0.5 to 0.5 by cyclic shift

Constructor & Destructor Documentation

fft_shift()

template<typename T >

gr::fft::fft_shift< T >::fft_shift ( size_t  fft_length )

inline

Member Function Documentation

resize()

template<typename T >

void gr::fft::fft_shift< T >::resize ( size_t  fft_length )

inline

if needed adjusts the buffer size to a new fft length

Referenced by gr::fft::fft_shift< T >::shift().

shift() [1/2]

template<typename T >

void gr::fft::fft_shift< T >::shift ( std::vector< T > &  v )

inline

performs the cyclic shift on a vector v

References gr::fft::fft_shift< T >::shift().

Referenced by gr::fft::fft_shift< T >::shift().

shift() [2/2]

template<typename T >

void gr::fft::fft_shift< T >::shift ( T *  data, size_t  fft_len  )

inline

performs the cyclic shift on an array

References gr::fft::fft_shift< T >::resize().

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The documentation for this class was generated from the following file:

• fft_shift.h