GNU Radio 3.6.3 C++ API
digital_kurtotic_equalizer_cc Class Reference

Implements a kurtosis-based adaptive equalizer on complex stream"Y. Guo, J. Zhao, Y. Sun, "Sign kurtosis maximization based blind equalization algorithm," IEEE Conf. on Control, Automation, Robotics and Vision, Vol. 3, Dec. 2004, pp. 2052 - 2057.". More...

#include <digital_kurtotic_equalizer_cc.h>

Inheritance diagram for digital_kurtotic_equalizer_cc:
gr_adaptive_fir_ccc gr_sync_decimator gr_sync_block gr_block gr_basic_block gr_msg_accepter gruel::msg_accepter

List of all members.

Public Member Functions

void set_gain (float mu)
- Public Member Functions inherited from gr_adaptive_fir_ccc
void set_taps (const std::vector< gr_complex > &taps)
int work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
 just like gr_block::general_work, only this arranges to call consume_each for you
- Public Member Functions inherited from gr_sync_decimator
unsigned decimation () const
void set_decimation (unsigned decimation)
void forecast (int noutput_items, gr_vector_int &ninput_items_required)
 Estimate input requirements given output request.
int general_work (int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
 compute output items from input items
int fixed_rate_ninput_to_noutput (int ninput)
 Given ninput samples, return number of output samples that will be produced. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.
int fixed_rate_noutput_to_ninput (int noutput)
 Given noutput samples, return number of input samples required to produce noutput. N.B. this is only defined if fixed_rate returns true. Generally speaking, you don't need to override this.

Protected Member Functions

virtual gr_complex error (const gr_complex &out)
virtual void update_tap (gr_complex &tap, const gr_complex &in)
- Protected Member Functions inherited from gr_adaptive_fir_ccc
gr_complex filter (gr_complex *x)
 gr_adaptive_fir_ccc (const char *name, int decimation, const std::vector< gr_complex > &taps)
- Protected Member Functions inherited from gr_sync_decimator
 gr_sync_decimator (void)
 gr_sync_decimator (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature, unsigned decimation)
- Protected Member Functions inherited from gr_sync_block
 gr_sync_block (void)
 gr_sync_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature)
- Protected Member Functions inherited from gr_block
 gr_block (void)
 gr_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature)
void set_fixed_rate (bool fixed_rate)
void add_item_tag (unsigned int which_output, uint64_t abs_offset, const pmt::pmt_t &key, const pmt::pmt_t &value, const pmt::pmt_t &srcid=pmt::PMT_F)
 Adds a new tag onto the given output buffer.
void add_item_tag (unsigned int which_output, const gr_tag_t &tag)
 Adds a new tag onto the given output buffer.
void get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end)
 Given a [start,end), returns a vector of all tags in the range.
void get_tags_in_range (std::vector< gr_tag_t > &v, unsigned int which_input, uint64_t abs_start, uint64_t abs_end, const pmt::pmt_t &key)
 Given a [start,end), returns a vector of all tags in the range with a given key.
- Protected Member Functions inherited from gr_basic_block
 gr_basic_block (void)
 gr_basic_block (const std::string &name, gr_io_signature_sptr input_signature, gr_io_signature_sptr output_signature)
 Protected constructor prevents instantiation by non-derived classes.
void set_input_signature (gr_io_signature_sptr iosig)
 may only be called during constructor
void set_output_signature (gr_io_signature_sptr iosig)
 may only be called during constructor
void set_color (vcolor color)
 Allow the flowgraph to set for sorting and partitioning.
vcolor color () const

Friends

DIGITAL_API
digital_kurtotic_equalizer_cc_sptr 
digital_make_kurtotic_equalizer_cc (int num_taps, float mu)

Additional Inherited Members

- Protected Attributes inherited from gr_adaptive_fir_ccc
gr_complex d_error
std::vector< gr_complexd_taps

Detailed Description

Implements a kurtosis-based adaptive equalizer on complex stream

"Y. Guo, J. Zhao, Y. Sun, "Sign kurtosis maximization based blind equalization algorithm," IEEE Conf. on Control, Automation, Robotics and Vision, Vol. 3, Dec. 2004, pp. 2052 - 2057.".


Member Function Documentation

virtual gr_complex digital_kurtotic_equalizer_cc::error ( const gr_complex out)
inlineprotectedvirtual

Implements gr_adaptive_fir_ccc.

References gr_clip().

void digital_kurtotic_equalizer_cc::set_gain ( float  mu)
inline
virtual void digital_kurtotic_equalizer_cc::update_tap ( gr_complex tap,
const gr_complex in 
)
inlineprotectedvirtual

Friends And Related Function Documentation

DIGITAL_API digital_kurtotic_equalizer_cc_sptr digital_make_kurtotic_equalizer_cc ( int  num_taps,
float  mu 
)
friend

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