coeffs.h

DSP原理及其C编程开发技术的源码 真的很好呀

//coeffs.h Filter coefficients BP55 (bandpass) and LP55 (lowpass)
/* bp55 bandpass coefficients */    

float coeffs[]={1.7619E-017, 7.0567E-003, 2.2150E-018,-1.0962E-002, 4.0310E-017,
         	 1.3946E-002, 7.1787E-018,-1.4588E-002, 3.9928E-017, 1.1474E-002,
             5.9881E-018,-3.5159E-003,-6.6174E-018,-9.7476E-003,-1.7919E-017,
             2.7932E-002,-9.4329E-017,-4.9740E-002, 3.3834E-017, 7.3066E-002,
            -3.6228E-017,-9.5284E-002, 3.2194E-017, 1.1365E-001,-2.2165E-017,
	      -1.2576E-001, 7.8980E-018, 1.3000E-001, 7.8980E-018,-1.2576E-001,
            -2.2165E-017, 1.1365E-001, 3.2194E-017,-9.5284E-002,-3.6228E-017,
	       7.3066E-002, 3.3834E-017,-4.9740E-002,-9.4329E-017, 2.7932E-002,
            -1.7919E-017,-9.7476E-003,-6.6174E-018,-3.5159E-003, 5.9881E-018,
	       1.1474E-002, 3.9928E-017,-1.4588E-002, 7.1787E-018, 1.3946E-002,
             4.0310E-017,-1.0962E-002, 2.2150E-018, 7.0567E-003, 1.7619E-017};


/* lp55 lowpass coefficients */

/*float coeffs[] = {3.6353E-003,-1.1901E-003,-4.5219E-003,
     2.6882E-003,5.1775E-003,-4.7252E-003,-5.4097E-003,7.2940E-003,
     4.9986E-003,-1.0343E-002,-3.6979E-003,1.3778E-002,1.2276E-003,
     -1.7460E-002,2.7529E-003,2.1222E-002,-8.7185E-003,-2.4870E-002,
     1.7465E-002,2.8205E-002,-3.0642E-002,-3.1035E-002,5.2556E-002,
     3.3190E-002,-9.9226E-002,-3.4540E-002,3.1598E-001,5.3500E-001,
     3.1598E-001,-3.4540E-002,-9.9226E-002,3.3190E-002,5.2556E-002,
     -3.1035E-002,-3.0642E-002,2.8205E-002,1.7465E-002,-2.4870E-002,
     -8.7185E-003,2.1222E-002,2.7529E-003,-1.7460E-002,1.2276E-003,
     1.3778E-002,-3.6979E-003,-1.0343E-002,4.9986E-003,7.2940E-003,
     -5.4097E-003,-4.7252E-003,5.1775E-003,2.6882E-003,-4.5219E-003,
     -1.1901E-003,3.6353E-003};
*/