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单片机音频电平显示电路的制作(3)

时间:2014-06-17 13:56来源:未知 作者:admin 点击:
-80,-75,-70,-65,-59,-54,-48,-42,-36,-30,-24,-18,-12,-6 }; /*放大128倍后的cos整数表(128)*/ code char COS_TAB[128]={127,126,126,125,124,123,121,119,117,114,112,108,105,102,98,94, 89,85,80,75,70,65,59
-80,-75,-70,-65,-59,-54,-48,-42,-36,-30,-24,-18,-12,-6
  };
 
/*放大128倍后的cos整数表(128)*/
code char COS_TAB[128]={127,126,126,125,124,123,121,119,117,114,112,108,105,102,98,94, 
                        89,85,80,75,70,65,59,54,48,42,36,30,24,18,12,6,0,-6,-12,-18,-24,
-30,-36,-42,-48,-54,-59,-65,-70,-75,-80,-85,-89,-94,-98,-102,
-105,-108,-112,-114,-117,-119,-121,-123,-124,-125,-126,-126,-126,
-126,-126,-125,-124,-123,-121,-119,-117,-114,-112,-108,-105,-102,
-98,-94,-89,-85,-80,-75,-70,-65,-59,-54,-48,-42,-36,-30,-24,-18,
-12,-6,0,6,12,18,24,30,36,42,48,54,59,65,70,75,80,85,89,94,98,102,
105,108,112,114,117,119,121,123,124,125,126,126
  };
 
/*采样存储序列表*/
code char LIST_TAB[128] = {0,64,32,96,16,80,48,112,8,72,40,104,24,88,56,120,4,68,36,100,20,84,52,116,
                           12,76,44,108,28,92,60,124,2,66,34,98,18,82,50,114,10,74,42,106,26,90,58, (责任编辑:admin)
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