tnc3-firmware/TNC/FilterCoefficients.hpp

// Copyright 2015 Rob Riggs <rob@mobilinkd.com>
// All rights reserved.

#ifndef MOBILINKD__TNC__FILTER_COEFFICIENTS_HPP_
#define MOBILINKD__TNC__FILTER_COEFFICIENTS_HPP_

#include "IirFilter.hpp"
#include "FirFilter.hpp"

namespace mobilinkd { namespace tnc { namespace filter {

const TIirCoefficients<2> dB_3 = {
    {0.148416305668, 0.148416305668},
    {1.0, -0.703167388663}
};

const TIirCoefficients<2> dB0 = {{1.0, 1.0}, {1.0, 1.0}};

const TIirCoefficients<2> dB3 = {
    {0.821330488584, -0.821330488584},
    {1.0, -0.642660977168}
};

const TIirCoefficients<3> dB6 = {
    {0.704863714497, -1.40972742899, 0.704863714497},
    {1.0, -1.3445352861, 0.474919571889}
};

const TIirCoefficients<4> dB9= {
    {0.605034079053, -1.81510223716, 1.81510223716, -0.605034079053},
    {1.0, -2.04985913806, 1.44420376126, -0.346209733102}
};

namespace fir {

// 1200Hz = -12dB, 2200Hz = 0dB; 3653Hz cutoff, 4.93 gain; cosine.
const TFirCoefficients<9> dB12 = {
    {
        0.0223997567081,
        -0.132588208904,
        -0.590869965255,
        -1.12325491747,
        3.55525416434,
        -1.12325491747,
        -0.590869965255,
        -0.132588208904,
        0.0223997567081,
    }
};

// 1200Hz = -11dB, 2200Hz = 0dB; 3537Hz cutoff, 4.51 gain; cosine.
const TFirCoefficients<9> dB11 = {
    {
        0.0138943225784,
        -0.137800909104,
        -0.544488104185,
        -1.00269495093,
        3.29019584315,
        -1.00269495093,
        -0.544488104185,
        -0.137800909104,
        0.0138943225784,
    }
};

// 1200Hz = -10dB, 2200Hz = 0dB; 3405Hz cutoff, 4.11 gain; cosine.
const TFirCoefficients<9> dB10 = {
    {
        0.00564557245371,
        -0.141643920093,
        -0.498513944796,
        -0.887264289827,
        3.03792032485,
        -0.887264289827,
        -0.498513944796,
        -0.141643920093,
        0.00564557245371,
    }
};

// 1200Hz = -9dB, 2200Hz = 0dB; 3252Hz cutoff, 3.7 gain; cosine.
const TFirCoefficients<9> dB9 = {
    {
        -0.00232554104135,
        -0.142858725752,
        -0.449053780255,
        -0.770264863826,
        2.77651146344,
        -0.770264863826,
        -0.449053780255,
        -0.142858725752,
        -0.00232554104135,
    }
};

// 1200Hz = -8dB, 2200Hz = 0dB; 3075Hz cutoff, 3.31 gain; cosine.
const TFirCoefficients<9> dB8 = {
    {
        -0.0096785005294,
        -0.141786249744,
        -0.399423790874,
        -0.658608816643,
        2.52741445003,
        -0.658608816643,
        -0.399423790874,
        -0.141786249744,
        -0.0096785005294,
    }
};

// 1200Hz = -7dB, 2200Hz = 0dB; 2874Hz cutoff, 2.949 gain; cosine.
const TFirCoefficients<9> dB7 = {
    {
        -0.0159546975608,
        -0.137623905223,
        -0.349491872081,
        -0.553149017309,
        2.28934729422,
        -0.553149017309,
        -0.349491872081,
        -0.137623905223,
        -0.0159546975608,
    }
};

// 1200Hz = -6dB, 2200Hz = 0dB; 2640Hz cutoff, 2.59 gain; cosine.
const TFirCoefficients<9> dB6 = {
    {
        -0.0209448226653,
        -0.130107651829,
        -0.299004731072,
        -0.45336946386,
        2.0629448761,
        -0.45336946386,
        -0.299004731072,
        -0.130107651829,
        -0.0209448226653,
    }
};

// 1200Hz = -5dB, 2200Hz = 0dB; 2372Hz cutoff, 2.26 gain; cosine.
const TFirCoefficients<9> dB5 = {
    {
        -0.0209448226653,
        -0.130107651829,
        -0.299004731072,
        -0.45336946386,
        2.0629448761,
        -0.45336946386,
        -0.299004731072,
        -0.130107651829,
        -0.0209448226653,
    }
};


// 1200Hz = -4dB, 2200Hz = 0dB; 2064Hz cutoff, 1.96 gain; cosine.
const TFirCoefficients<9> dB4 = {
    {
        -0.0209448226653,
        -0.130107651829,
        -0.299004731072,
        -0.45336946386,
        2.0629448761,
        -0.45336946386,
        -0.299004731072,
        -0.130107651829,
        -0.0209448226653,
    }
};

// 1200Hz = -3dB, 2200Hz = 0dB; 1700Hz cutoff, 1.68 gain; cosine.
const TFirCoefficients<9> dB3 = {
    {
        -0.0231416146776,
        -0.0833375337803,
        -0.147937602401,
        -0.197411259519,
        1.46066084756,
        -0.197411259519,
        -0.147937602401,
        -0.0833375337803,
        -0.0231416146776,
    }
};


// 1200Hz = -2dB, 2200Hz = 0dB; 1270Hz cutoff, 1.44 gain; cosine.
const TFirCoefficients<9> dB2 = {
    {
        -0.0185923370593,
        -0.0601029235689,
        -0.0996864670836,
        -0.128090353439,
        1.30017105427,
        -0.128090353439,
        -0.0996864670836,
        -0.0601029235689,
        -0.0185923370593,
    }
};

// 1200Hz = -1dB, 2200Hz = 0dB; 730Hz cutoff, 1.22 gain; cosine.
const TFirCoefficients<9> dB1 = {
    {
        -0.0107931468169,
        -0.0322211933056,
        -0.0506402474814,
        -0.0630689498437,
        1.1522865023,
        -0.0630689498437,
        -0.0506402474814,
        -0.0322211933056,
        -0.0107931468169,
    }
};

const TFirCoefficients<9> dB0 = {
    {
        1.0,
        1.0,
        1.0,
        1.0,
        1.0,
        1.0,
        1.0,
        1.0,
        1.0,
    }
};

// 1200Hz = 0dB, 2200Hz = -1dB; 4280Hz cutoff, 1.045 gain; cosine.
const TFirCoefficients<9> dB_1 = {
    {
        -0.0107931468169,
        -0.0322211933056,
        -0.0506402474814,
        -0.0630689498437,
        1.1522865023,
        -0.0630689498437,
        -0.0506402474814,
        -0.0322211933056,
        -0.0107931468169,
    }
};

// 1200Hz = 0dB, 2200Hz = -2dB; 3098Hz cutoff, 1.1 gain; cosine.
const TFirCoefficients<9> dB_2 = {
    {
        0.00299520319909,
        0.0482175156295,
        0.137632853632,
        0.228067265055,
        0.266174324969,
        0.228067265055,
        0.137632853632,
        0.0482175156295,
        0.00299520319909,
    }
};

// 1200Hz = 0dB, 2200Hz = -3dB; 1830Hz cutoff, 1.149 gain; cosine.
const TFirCoefficients<9> dB_3 = {
    {
        0.0221215152936,
        0.0832006412609,
        0.151534395598,
        0.205025020719,
        0.225236854257,
        0.205025020719,
        0.151534395598,
        0.0832006412609,
        0.0221215152936,
    }
};

// 1200Hz = 0dB, 2200Hz = -4dB; 2606Hz cutoff, 1.194 gain; boxcar.
const TFirCoefficients<9> dB_4 = {
    {
        0.0498539382844,
        0.103801174967,
        0.153695746099,
        0.188874162863,
        0.201549955573,
        0.188874162863,
        0.153695746099,
        0.103801174967,
        0.0498539382844,
    }
};

// 1200Hz = 0dB, 2200Hz = -5dB; 2174Hz cutoff, 1.237 gain; boxcar.
const TFirCoefficients<9> dB_5 = {
    {
        0.0782137588209,
        0.118736939542,
        0.153156300897,
        0.176223458893,
        0.184339083696,
        0.176223458893,
        0.153156300897,
        0.118736939542,
        0.0782137588209,
    }
};

// 1200Hz = 0dB, 2200Hz = -6dB; 1706Hz cutoff, 1.275 gain; boxcar.
const TFirCoefficients<9> dB_6 = {
    {
        0.104477241089,
        0.130913242609,
        0.151854419973,
        0.165293215366,
        0.169923761926,
        0.165293215366,
        0.151854419973,
        0.130913242609,
        0.104477241089,
    }
};

const TFirCoefficients<9>* AfskFilters[] = {
  &dB_6,
  &dB_5,
  &dB_4,
  &dB_3,
  &dB_2,
  &dB_1,
  &dB0,
  &dB1,
  &dB2,
  &dB3,
  &dB4,
  &dB5,
  &dB6,
  &dB7,
  &dB8,
  &dB9,
  &dB10,
  &dB11,
  &dB12
};


#if 0

const TFirCoefficients<9> dB_3 = {
    {   0.0190268296698,
        0.0720836132753,
        0.131839958497,
        0.178778602372,
        0.196541992372,
        0.178778602372,
        0.131839958497,
        0.0720836132753,
        0.0190268296698,
    },
};

const TFirCoefficients<9> dB3 = {
    {
        -0.0137747043237,
        -0.0496069821386,
        -0.0880620689921,
        -0.11751320055,
        0.869433181254,
        -0.11751320055,
        -0.0880620689921,
        -0.0496069821386,
        -0.0137747043237,
    }
};

const TFirCoefficients<9> dB6 = {
    {
        -0.00808574330071,
        -0.0502334418895,
        -0.115447610972,
        -0.175051834084,
        0.796496156597,
        -0.175051834084,
        -0.115447610972,
        -0.0502334418895,
        -0.00808574330071,
    }
};

const TFirCoefficients<9> dB9= {
    {   -0.000653382869306,
        -0.0386591907088,
        -0.121362869,
        -0.208082569133,
        0.750548984054,
        -0.208082569133,
        -0.121362869,
        -0.0386591907088,
        -0.000653382869306,
    }
};
#endif


} // fir


}}} // mobilinkd::tnc::filter

#endif // MOBILINKD__TNC__FILTER_COEFFICIENTS_HPP_