用汇编写正弦波程序128,132,137,141,146,150,154,159,163,167DB171,176,180,184,188,191,195,199,203,206DB210,213,216,219,222,225,228,231,233,236DB238,240,242,244,246,247,249,250,251,252DB253,254,254,255,255,255,255,255,254,254DB253,252,251,2

Question

用汇编写正弦波程序
128,132,137,141,146,150,154,159,163,167
DB 171,176,180,184,188,191,195,199,203,206
DB 210,213,216,219,222,225,228,231,233,236
DB 238,240,242,244,246,247,249,250,251,252
DB 253,254,254,255,255,255,255,255,254,254
DB 253,252,251,250,249,247,246,244,242,240
DB 238,236,233,231,228,225,222,219,216,213
DB 210,206,203,198,195,192,188,184,180,176
DB 172,167,163,159,155,150,146,141,137,133
DB 128,124,119,115,111,106,102,97,93,89,85
DB 81,77,73,69,65,61,57,54,50,47,43,40,37
DB 34,31,28,25,23,20,18,16,14,12,10,9,7
DB 6,5,4,3,2,2,1,1,1,1,1,2,2,3,4,5,6
DB 7,9,10,12,14,16,18,20,23,25,28,30,33,36
DB 40,43,46,50,53,57,60,64,68,72,76,80,84
DB 88,93,97,101,106,110,114,119,123,128,129

Answer 1

这个表是代表正弦波一个周期的变化幅值,该表对正弦波进行采样,采样为8位,共160个采样点,所以有160个数据,采样点越多,还原正弦波精度越高.但单片机还原为正弦波时因数据量大,正弦波的频率做得不会高(高速单片机除外),