3G开发

开发平台：

Visual C++

costas_loop.h：源码内容

							//
//  File = linear_pll.h
//
#ifndef _COSTAS_LOOP_H_
#define _COSTAS_LOOP_H_
#include "signal_T.h"
#include "anlg_filt_iir.h"
class CostasLoop : public PracSimModel
{
public:
CostasLoop( char* instance_nam,
            PracSimModel *outer_model,
            Signal<float> *in_signal,
            Signal<float> *err_signal,
            Signal<float> *filt_err_signal,
            Signal<float> *ref_signal,
            Signal<float> *vco_freq_sig,
            Signal<float> *ref_phase_sig,
            Signal<float> *out_signal );
   ~CostasLoop(void);
   void Initialize(void);
   int Execute(void);
private:
   double Samp_Intvl;
   Signal<float> *fsig_Input;
   Signal<float> *fsig_Phase_Error;
   Signal<float> *fsig_Filtered_Error;
   Signal<float> *fsig_Osc_Output;
   Signal<float> *fsig_Osc_Freq;
   Signal<float> *fsig_Osc_Phase;
   Signal<float> *fsig_Output;
   bool m_UsingDco;
   double K_Sub_D;
   double K_Sub_0;
   double I_OscOutput;
   double Q_OscOutput;
   double Phi_Sub_2;
   double Phi_Divided;
   double Omega_Sub_0;
   double Center_Freq_Hz;
   float Osc_Output_Prev_Val;
   double Scaler_Divisor;
   AnalogFilterByIir<float> *I_Filter_Core;
   AnalogFilterByIir<float> *Q_Filter_Core;
   AnalogFilterByIir<float> *Prod_Filter_Core;
  
};
#endif

						