fird2000.h

有限冲击响应滤波器

int x[35];
int h[35] = {
     19,     31,     51,     86,    139,    214,    311,    432,    572,
      729,    896,   1066,   1229,   1378,   1504,   1600,   1660,   1680,
     1660,   1600,   1504,   1378,   1229,   1066,    896,    729,    572,
      432,    311,    214,    139,     86,     51,     31,     19};