GNU Radio 2.x: gri_mmse_fir_interpolator.h Source File

00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2002 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 #ifndef _GRI_MMSE_FIR_INTERPOLATOR_H_
00023 #define _GRI_MMSE_FIR_INTERPOLATOR_H_
00024 
00025 #include <vector>
00026 
00027 class gr_fir_fff;
00028 
00041 class gri_mmse_fir_interpolator {
00042 public:
00043   gri_mmse_fir_interpolator ();
00044   ~gri_mmse_fir_interpolator ();
00045 
00046   unsigned ntaps () const;
00047   unsigned nsteps () const;
00048 
00058   float interpolate (const float input[], float mu) const;
00059 
00060 protected:
00061   std::vector<gr_fir_fff *>     filters;
00062 };
00063 
00064 
00065 #endif /* _GRI_MMSE_FIR_INTERPOLATOR_H_ */