test.dat

dsp滤波器FIR、IIR等有例子图形等具体步骤很好用的

DATA x[256] ={
        10408,    16451,    10820,    12227,    18146,    13106,    11485,
        15737,     9840,     3644,     8171,     4118,    -4355,     -624,
        -2443,   -11575,   -10290,    -8288,   -16156,   -16663,   -10543,
       -15433,   -17113,    -8010,   -11188,   -11286,    -3102,    -2176,
        -3726,     4075,     8836,     3665,    10937,    16347,    11278,
        13449,    19214,    13116,    11330,    16515,    10916,     4581,
         7920,     4852,    -3773,    -1259,    -2437,   -12459,   -10499,
        -8657,   -16091,   -15654,   -11133,   -15864,   -17015,    -8342,
       -10862,   -11228,    -2376,    -1394,    -3423,     4160,     7802,
         5087,    10683,    16178,    11318,    12040,    18459,    13601,
        10019,    16146,    10320,     4708,     9071,     3873,    -4214,
         -704,    -3586,   -11606,    -9998,    -8837,   -17008,   -16095,
       -10402,   -15357,   -16675,    -8536,   -11140,   -11943,    -2908,
        -1887,    -4719,     5099,     7887,     5169,    10683,    16744,
        11122,    12021,    18500,    12911,    10354,    16272,    10118,
         5139,     8244,     3601,    -3640,     -574,    -3111,   -12231,
       -10076,    -8626,   -17231,   -15279,   -10646,   -16684,   -17179,
        -7936,   -10141,   -11216,    -2285,     -903,    -3720,     5052,
         7833,     3880,    10946,    16387,    10515,    12519,    18743,
        12257,    10662,    16038,    10388,     3906,     9196,     4417,
        -4219,     -912,    -2419,   -11865,   -11209,    -9233,   -16353,
       -15469,   -10824,   -15744,   -17280,    -9320,   -10469,   -11427,
        -2313,     -875,    -4650,     4739,     8016,     4821,     9834,
        15507,    10613,    12142,    18944,    12333,    11383,    15673,
        10308,     4892,     8156,     4732,    -4849,     -955,    -2853,
       -11303,   -11279,    -9263,   -16185,   -15864,    -9999,   -16150,
       -16554,    -8656,   -10620,   -12215,    -2220,     -836,    -3474,
         4939,     9086,     4804,    10259,    15884,    10219,    12041,
        18582,    13394,    10321,    15635,    10087,     4313,     8034,
         5145,    -4469,     -908,    -2155,   -12436,   -11063,    -8792,
       -16193,   -16849,   -10633,   -15990,   -16297,    -8395,   -10178,
       -11597,    -2151,     -600,    -3487,     3862,     9267,     5004,
         9600,    15632,    10160,    13017,    18309,    13654,     9879,
        15890,     9795,     4551,     8900,     4029,    -4107,    -1672,
        -3324,   -11575,    -9976,    -8166,   -17320,   -15900,   -10976,
       -15948,   -15898,    -8530,   -10618,   -11542,    -2163,    -1343,
        -4333,     5094,     8127,     4794,   
};
DATA r[256];
DATA d[256]={0,0,0,0,0};
DATA y[3]={
		0x59ee,  /* k1 =  0.70259 */
		0xa178,  /* k2 = -0.738498  */
		0x52f1,  /* k3 =  0.648   */
};
DATA *dptr;
short oflag;