sensor.h

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/* Copyright (C) 2003-2012 Mattias Ekström <ekstrom@rss.chalmers.se>

   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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
   USA. */



/*===========================================================================
  ===  File description
  ===========================================================================*/

#ifndef sensor_h
#define sensor_h

#include "arts.h"
#include "gridded_fields.h"
#include "interpolation.h"
#include "math_funcs.h"
#include "matpackI.h"
#include "matpackII.h"


/*===========================================================================
  === Functions from sensor.cc
  ===========================================================================*/

void antenna1d_matrix(      
           Sparse&   H,
      const Index&   antenna_dim,
   ConstMatrixView   antenna_los,
    const GriddedField4&   antenna_response,
   ConstVectorView   za_grid,
   ConstVectorView   f_grid,
       const Index   n_pol,
       const Index   do_norm );

void antenna2d_simplified(      
           Sparse&   H,
      const Index&   antenna_dim,
   ConstMatrixView   antenna_los,
    const GriddedField4&   antenna_response,
   ConstVectorView   za_grid,
   ConstVectorView   aa_grid,
   ConstVectorView   f_grid,
       const Index   n_pol,
       const Index   do_norm );

void gaussian_response_autogrid(
           Vector&   x,
           Vector&   y,
    const Numeric&   x0,
    const Numeric&   fwhm,
    const Numeric&   xwidth_si,
    const Numeric&   dx_si );

void gaussian_response(
          Vector&    y,
    const Vector&    x,
    const Numeric&   x0,
    const Numeric&   fwhm );

void mixer_matrix(
           Sparse&   H,
           Vector&   f_mixer,
    const Numeric&   lo,
    const GriddedField1&   filter,
   ConstVectorView   f_grid,
      const Index&   n_pol,
      const Index&   n_sp,
      const Index&   do_norm );

void sensor_aux_vectors(
               Vector&   sensor_response_f,
         ArrayOfIndex&   sensor_response_pol,
               Vector&   sensor_response_za,
               Vector&   sensor_response_aa,
       ConstVectorView   sensor_response_f_grid,
   const ArrayOfIndex&   sensor_response_pol_grid,
       ConstVectorView   sensor_response_za_grid,
       ConstVectorView   sensor_response_aa_grid,
           const Index   za_aa_independent );

void sensor_integration_vector(
        VectorView   h,
   ConstVectorView   f,
   ConstVectorView   x_f_in,
   ConstVectorView   x_g_in );
void sensor_integration_vector2(
        VectorView   h,
   ConstVectorView   f,
   ConstVectorView   x_f_in,
   ConstVectorView   x_g_in );

void sensor_summation_vector(
        VectorView   h,
   ConstVectorView   f,
   ConstVectorView   x_f,
   ConstVectorView   x_g,
     const Numeric   x1,
     const Numeric   x2 );

void spectrometer_matrix( 
           Sparse&         H,
   ConstVectorView         ch_f,
   const ArrayOfGriddedField1&   ch_response,
   ConstVectorView         sensor_f,
      const Index&         n_pol,
      const Index&         n_sp,
      const Index&         do_norm );

void stokes2pol( 
            ArrayOfVector&  s2p,
      const Numeric&        w );

void find_effective_channel_boundaries(// Output:
                                       Vector& fmin,
                                       Vector& fmax,
                                       // Input:
                                       const Vector& f_backend,
                                       const ArrayOfGriddedField1& backend_channel_response,
                                       const Numeric& delta,
                                       const Verbosity& verbosity);

#endif  // sensor_h