mirror of
https://github.com/hb9fxq/gr-digitalhf
synced 2024-11-05 13:55:53 +00:00
41 lines
815 B
C++
41 lines
815 B
C++
|
// -*- c++ -*-
|
||
|
|
|
||
|
|
#ifndef _LIB_NLMS_HPP_
|
||
|
|
#define _LIB_NLMS_HPP_
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
#include "filter_update.hpp"
|
||
|
|
#include "volk_allocator.hpp"
|
||
|
|
|
||
|
|
|
||
|
|
namespace gr {
|
||
|
|
namespace digitalhf {
|
||
|
|
|
||
|
|
class nlms : public filter_update {
|
||
|
|
public:
|
||
|
|
nlms(float mu);
|
||
|
|
virtual ~nlms();
|
||
|
|
|
||
|
|
static sptr make(float mu);
|
||
|
|
|
||
|
|
virtual void reset();
|
||
|
|
virtual gr_complex const* update(gr_complex const*, gr_complex const*);
|
||
|
|
virtual void set_parameters(std::map<std::string, float>const &);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
void resize(size_t);
|
||
|
|
|
||
|
|
private:
|
||
|
|
typedef std::vector<gr_complex, volk_allocator<gr_complex> > complex_vec_type;
|
||
|
|
typedef std::vector<float, volk_allocator<float> > real_vec_type;
|
||
|
|
float _mu;
|
||
|
|
complex_vec_type _gain;
|
||
|
|
complex_vec_type _tmp;
|
||
|
|
real_vec_type _t1;
|
||
|
|
} ;
|
||
|
|
|
||
|
|
} // namespace digitalhf
|
||
|
|
} // namespace gr
|
||
|
|
#endif // _LIB_NLMS_HPP_
|