mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-22 09:31:10 -05:00
290 lines
6.9 KiB
C++
290 lines
6.9 KiB
C++
/* emnr.h
|
|
|
|
This file is part of a program that implements a Software-Defined Radio.
|
|
|
|
Copyright (C) 2015 Warren Pratt, NR0V
|
|
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
The author can be reached by email at
|
|
|
|
warren@wpratt.com
|
|
|
|
*/
|
|
|
|
#ifndef wdsp_emnr_h
|
|
#define wdsp_emnr_h
|
|
|
|
#include <array>
|
|
#include <vector>
|
|
|
|
#include "fftw3.h"
|
|
#include "export.h"
|
|
|
|
namespace WDSP {
|
|
|
|
class WDSP_API EMNR
|
|
{
|
|
public:
|
|
int run;
|
|
int position;
|
|
int bsize;
|
|
float* in;
|
|
float* out;
|
|
int fsize;
|
|
int ovrlp;
|
|
int incr;
|
|
std::vector<float> window;
|
|
int iasize;
|
|
std::vector<float> inaccum;
|
|
std::vector<float> forfftin;
|
|
std::vector<float> forfftout;
|
|
int msize;
|
|
std::vector<double> mask;
|
|
std::vector<float> revfftin;
|
|
std::vector<float> revfftout;
|
|
std::vector<std::vector<float>> save;
|
|
int oasize;
|
|
std::vector<float> outaccum;
|
|
double rate;
|
|
int wintype;
|
|
double ogain;
|
|
double gain;
|
|
int nsamps;
|
|
int iainidx;
|
|
int iaoutidx;
|
|
int init_oainidx;
|
|
int oainidx;
|
|
int oaoutidx;
|
|
int saveidx;
|
|
fftwf_plan Rfor;
|
|
fftwf_plan Rrev;
|
|
|
|
struct G
|
|
{
|
|
int incr;
|
|
double rate;
|
|
int msize;
|
|
std::vector<double>& mask;
|
|
const std::vector<float>& y;
|
|
int gain_method;
|
|
int npe_method;
|
|
int ae_run;
|
|
std::vector<double> lambda_y;
|
|
std::vector<double> lambda_d;
|
|
std::vector<double> prev_mask;
|
|
std::vector<double> prev_gamma;
|
|
double gf1p5;
|
|
double alpha;
|
|
double eps_floor;
|
|
double gamma_max;
|
|
double q;
|
|
double gmax;
|
|
//
|
|
std::array<double, 241*241> GG;
|
|
std::array<double, 241*241> GGS;
|
|
FILE* fileb;
|
|
|
|
G(
|
|
int incr,
|
|
double rate,
|
|
int msize,
|
|
std::vector<double>& mask,
|
|
const std::vector<float>& y
|
|
);
|
|
G(const G&) = delete;
|
|
G& operator=(const G& other) = delete;
|
|
~G() = default;
|
|
|
|
void calc_gamma0();
|
|
void calc_gamma1();
|
|
void calc_gamma2();
|
|
void calc_lambda_y();
|
|
|
|
private:
|
|
static double getKey(const std::array<double, 241*241>& type, double gamma, double xi);
|
|
static double e1xb (double x);
|
|
static double bessI0 (double x);
|
|
static double bessI1 (double x);
|
|
};
|
|
G *g;
|
|
|
|
struct NP
|
|
{
|
|
int incr;
|
|
double rate;
|
|
int msize;
|
|
std::vector<double>& lambda_y;
|
|
std::vector<double>& lambda_d;
|
|
double alphaCsmooth;
|
|
double alphaMax;
|
|
double alphaCmin;
|
|
double alphaMin_max_value;
|
|
double snrq;
|
|
double betamax;
|
|
double invQeqMax;
|
|
double av;
|
|
double Dtime;
|
|
int U;
|
|
int V;
|
|
int D;
|
|
std::vector<double> p;
|
|
std::vector<double> alphaOptHat;
|
|
double alphaC;
|
|
std::vector<double> alphaHat;
|
|
std::vector<double> sigma2N;
|
|
std::vector<double> pbar;
|
|
std::vector<double> p2bar;
|
|
std::vector<double> Qeq;
|
|
double MofD;
|
|
double MofV;
|
|
std::array<double, 4> invQbar_points;
|
|
std::array<double, 4> nsmax;
|
|
std::vector<double> bmin;
|
|
std::vector<double> bmin_sub;
|
|
std::vector<int> k_mod;
|
|
std::vector<double> actmin;
|
|
std::vector<double> actmin_sub;
|
|
int subwc;
|
|
std::vector<int> lmin_flag;
|
|
std::vector<double> pmin_u;
|
|
std::vector<std::vector<double>> actminbuff;
|
|
int amb_idx;
|
|
|
|
NP(
|
|
int incr,
|
|
double rate,
|
|
int msize,
|
|
std::vector<double>& lambda_y,
|
|
std::vector<double>& lambda_d
|
|
);
|
|
NP(const NP&) = delete;
|
|
NP& operator=(const NP& other) = delete;
|
|
~NP() = default;
|
|
|
|
void LambdaD();
|
|
|
|
private:
|
|
static const std::array<double, 18> DVals;
|
|
static const std::array<double, 18> MVals;
|
|
static void interpM (
|
|
double* res,
|
|
double x,
|
|
int nvals,
|
|
const std::array<double, 18>& xvals,
|
|
const std::array<double, 18>& yvals
|
|
);
|
|
};
|
|
NP *np;
|
|
|
|
struct NPS
|
|
{
|
|
int incr;
|
|
double rate;
|
|
int msize;
|
|
const std::vector<double>& lambda_y;
|
|
std::vector<double>& lambda_d;
|
|
|
|
double alpha_pow;
|
|
double alpha_Pbar;
|
|
double epsH1;
|
|
double epsH1r;
|
|
|
|
std::vector<double> sigma2N;
|
|
std::vector<double> PH1y;
|
|
std::vector<double> Pbar;
|
|
std::vector<double> EN2y;
|
|
|
|
NPS(
|
|
int incr,
|
|
double rate,
|
|
int msize,
|
|
const std::vector<double>& lambda_y,
|
|
std::vector<double>& lambda_d,
|
|
double alpha_pow,
|
|
double alpha_Pbar,
|
|
double epsH1
|
|
);
|
|
NPS(const NPS&) = delete;
|
|
NPS& operator=(const NPS& other) = delete;
|
|
~NPS() = default;
|
|
|
|
void LambdaDs();
|
|
};
|
|
NPS *nps;
|
|
struct AE
|
|
{
|
|
int msize;
|
|
const std::vector<double>& lambda_y;
|
|
double zetaThresh;
|
|
double psi;
|
|
std::vector<double> nmask;
|
|
|
|
AE(
|
|
int msize,
|
|
const std::vector<double>& lambda_y,
|
|
double zetaThresh,
|
|
double psi
|
|
);
|
|
AE(const AE&) = delete;
|
|
AE& operator=(const AE& other) = delete;
|
|
~AE() = default;
|
|
};
|
|
AE *ae;
|
|
|
|
EMNR(
|
|
int run,
|
|
int position,
|
|
int size,
|
|
float* in,
|
|
float* out,
|
|
int fsize,
|
|
int ovrlp,
|
|
int rate,
|
|
int wintype,
|
|
double gain,
|
|
int gain_method,
|
|
int npe_method,
|
|
int ae_run
|
|
);
|
|
EMNR(const EMNR&) = delete;
|
|
EMNR& operator=(const EMNR& other) = delete;
|
|
~EMNR();
|
|
|
|
void flush();
|
|
void execute(int pos);
|
|
void setBuffers(float* in, float* out);
|
|
void setSamplerate(int rate);
|
|
void setSize(int size);
|
|
// Public Properties
|
|
void setGainMethod(int method);
|
|
void setNpeMethod(int method);
|
|
void setAeRun(int run);
|
|
void setAeZetaThresh(double zetathresh);
|
|
void setAePsi(double psi);
|
|
|
|
private:
|
|
void calc_window();
|
|
void calc();
|
|
void decalc();
|
|
void aepf();
|
|
void calc_gain();
|
|
};
|
|
|
|
} // namespace WDSP
|
|
|
|
#endif
|