wav_filters_extern.h

matlab 例程

#if !defined(_WAV_FILTERS_EXTERN_)
#define _WAV_FILTERS_EXTERN_



// Daubechies 7-9 biorth filters.

extern float D79_FLP[9];

extern float D79_FHP[7];

extern float D79_ILP[7];

extern float D79_IHP[9];

extern int D79_Nilp,D79_Nihp;
extern int D79_Nflp,D79_Nfhp;

extern int D79_PS;

extern int D79_begilp,D79_begihp;
extern int D79_begflp,D79_begfhp;
// Antonini 7-9 biorth filters.

extern float Antonini_FLP[9];

extern float Antonini_FHP[7];

extern float Antonini_ILP[7];

extern float Antonini_IHP[9];

extern int Antonini_Nilp,Antonini_Nihp;
extern int Antonini_Nflp,Antonini_Nfhp; 

extern int Antonini_PS;

extern int Antonini_begilp,Antonini_begihp;
extern int Antonini_begflp,Antonini_begfhp;



// Haar.

extern float Haar_FLP[2];

extern float Haar_FHP[2];

extern float Haar_ILP[2];

extern float Haar_IHP[2];

extern int Haar_Nilp,Haar_Nihp;
extern int Haar_Nflp,Haar_Nfhp;

extern int Haar_PS;

extern int Haar_begilp,Haar_begihp;
extern int Haar_begflp,Haar_begfhp;

// Daubechies 8 tap orthogonal.

extern float D8_FLP[8];

extern float D8_FHP[8];

extern float D8_ILP[8];

extern float D8_IHP[8];

extern int D8_Nilp,D8_Nihp;
extern int D8_Nflp,D8_Nfhp; 

extern int D8_PS;

extern int D8_begilp,D8_begihp;
extern int D8_begflp,D8_begfhp; 


// Generic filter pointers and corresponding size/symmetry/starting point variables.
extern float *MFLP,*MFHP;
extern float *MILP,*MIHP;

extern int Nflp,Nfhp; 
extern int Nilp,Nihp;

extern int PS;

extern int begflp,begfhp;
extern int mfl,mfh;

extern int begilp,begihp;
extern int mil,mih;
// 二次DB.

extern float DB2_FLP[6];

extern float DB2_FHP[6];

extern float DB2_ILP[2];

extern float DB2_IHP[2];

extern int DB2_Nilp,DB2_Nihp;
extern int DB2_Nflp,DB2_Nfhp;

extern int DB2_PS;

extern int DB2_begilp,DB2_begihp;
extern int DB2_begflp,DB2_begfhp;
//三次 B.

extern float DB3_FLP[9];

extern float DB3_FHP[9];

extern float DB3_ILP[2];

extern float DB3_IHP[2];

extern int DB3_Nilp,DB3_Nihp;
extern int DB3_Nflp,DB3_Nfhp;

extern int DB3_PS;

extern int DB3_begilp,DB3_begihp;
extern int DB3_begflp,DB3_begfhp;
#endif