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elip_filt_intg.cpp
资源名称：simulation_wireless_c++.rar　[点击查看]
上传用户：jtjnyq9001
上传日期：2014-11-21
资源大小：3974k
文件大小：2k
源码类别：

3G开发

开发平台：

Visual C++

elip_filt_intg.cpp：源码内容
  1. //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  2. //
  3. //  File = elip_filt_intg.cpp
  4. //
  5. //  Elliptical Filter
  6. //
  8. //#include <math.h>
  9. //#include "misdefs.h"
  10. #include "parmfile.h"
  11. #include "elip_filt_intg.h"
  12. #include "elliptical_proto.h"
  13. //#include "filter_types.h"
  14. extern ParmFile *ParmInput;
  16. #ifdef _DEBUG
  17.   extern ofstream *DebugFile;
  18. #endif
  20. //======================================================
  21. //  constructor
  23. EllipticalFilterByInteg::EllipticalFilterByInteg( char *instance_name,
  24.                                   PracSimModel *outer_model,
  25.                                   Signal<float> *in_sig,
  26.                                   Signal<float> *out_sig )
  27.                   :AnalogFilterByInteg( instance_name,
  28.                                outer_model,
  29.                                in_sig,
  30.                                out_sig )
  31. {
  32.   MODEL_NAME(EllipticalFilterByInteg);
  33.   OPEN_PARM_BLOCK;
  34.   // Most of the parameters needed to specify an elliptical filter
  35.   // are common to all the classic types and are therefore
  36.   // read by the AnalogFilter base class.
  37.   //
  38.   // separate values for 'Passband_Ripple' and 'Stopband_Ripple' are
  39.   // specific to elliptical so they are read here in the derived class
  40.   
  42.   if( !Bypass_Enabled)
  43.     {
  44.     GET_DOUBLE_PARM(Passband_Ripple_In_Db);
  45.     GET_DOUBLE_PARM(Stopband_Ripple_In_Db);
  46.     GET_DOUBLE_PARM(Norm_Hz_Stop_Edge);
  47.     Selec_Factor = Norm_Hz_Pass_Edge / Norm_Hz_Stop_Edge;
  48.     // construct a elliptical prototype
  49.     Lowpass_Proto_Filt = new EllipticalPrototype( Prototype_Order, 
  50.                                                   Passband_Ripple_In_Db,
  51.                                                   Stopband_Ripple_In_Db,
  52.                                                   Selec_Factor);
  53.     Lowpass_Proto_Filt->DumpBiquads(DebugFile); 
  54.     Lowpass_Proto_Filt->GetDenomPoly(false);
  55.     }
  56.   return;
  57. }
  58. //template <class T>
  59. //EllipticalFilterByInteg<T>::~EllipticalFilterByInteg(){};
  60. //template EllipticalFilterByInteg<float>;
  61. //template EllipticalFilterByInteg<std::complex<float> >;