fircoeff.h

DSP的实验测试程序

/* ==================================================================
File name:        FIRCOEFF.H                     
                    
Originator: Digital Control Systems Group
        Texas Instruments
Description:  
Header file containing FIR Filter coefficients to initialise the coefficient array
4 coefficient sets for Order 50, 20, & 10 are available for demo, user can expand it
using ezFIR script
===================================================================
 History:
-------------------------------------------------------------------
15-1-2000   Release Rev 1.0                                                  
-------------------------------------------------------------------*/


/* 50th order Filter */
#define FIR_LPF50 {\
            -34,-22,13,50,55,-1,-91,-137,-56,131,\
            276,198,-127,-471,-481,0,690,976,384,-896,\
            -1905,-1447,1040,4892,8415,9839,8415,4892,1040,-1447,\
            -1905,-896,384,976,690,0,-481,-471,-127,198,\
            276,131,-56,-137,-91,-1,55,50,13,-22,\
            -34}

#define FIR_HPF50 {\
            0,34,25,-32,-65,-1,106,83,-106,-214,\
            0,321,240,-291,-565,-1,810,602,-730,-1447,\
            0,2337,1976,-3019,-9877,19646,-9877,-3019,1976,2337,\
            0,-1447,-730,602,810,-1,-565,-291,240,321,\
            0,-214,-106,83,106,-1,-65,-32,25,34,\
            0}

#define FIR_BPF50 {\
            0,69,-1,-63,0,-1,-1,167,-1,-427,\
            0,642,-1,-581,-1,-1,0,1203,-1,-2890,\
            0,4670,-1,-6033,-1,6543,-1,-6033,-1,4670,\
            0,-2890,-1,1203,0,-1,-1,-581,-1,642,\
            0,-427,-1,167,-1,-1,0,-63,-1,69,\
            0}

#define FIR_BSF50 {\
            -1,-70,0,62,-1,-1,0,-169,0,427,\
            0,-645,-1,582,0,-1,0,-1208,0,2900,\
            0,-4688,0,6054,0,26267,0,6054,0,-4688,\
            0,2900,0,-1208,0,-1,0,582,-1,-645,\
            0,427,0,-169,0,-1,-1,62,0,-70,\
            -1}
/* 20th Order Filter */
#define FIR_LPF20 {\
            0,95,207,123,-406,-1125,-1044,869,4517,8236,\
            9815,8236,4517,869,-1044,-1125,-406,123,207,95,\
            0}

#define FIR_HPF20 {\
            -1,113,128,-237,-659,0,1694,1658,-2801,-9711,\
            19689,-9711,-2801,1658,1694,0,-659,-237,128,113,\
            -1}       
            
#define FIR_BPF20 {\
            -1,0,304,-1,-1560,0,4009,-1,-6628,-1,\
            7766,-1,-6628,-1,4009,0,-1560,-1,304,0,\
            -1}

#define FIR_BSF20 {\
            -1,0,-258,0,1316,0,-3386,0,5595,0,\
            26229,0,5595,0,-3386,0,1316,0,-258,0,\
            -1}

/* 10th Order Filter */
#define FIR_LPF10 {\
            -171,-264,437,3464,7882,10067,7882,3464,437,-264,\
            -171}

#define FIR_HPF10 {\
            0,416,812,-2091,-9045,19652,-9045,-2091,812,416,\
            0}

#define FIR_BPF10 {\
            0,1645,-1,-8264,-1,12949,-1,-8264,-1,1645,\
            0}

#define FIR_BSF10 {\
            0,-829,0,4163,0,26098,0,4163,0,-829,\
            0}