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槐南小羅
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樓主  發(fā)表于: 2015-06-30 17:44
技術(shù)要去軟件完成對一個(gè)模擬信號處理。假設：該模擬信號輸入是4-20毫安，在連續采樣中1秒鐘內前后相差5毫安則發(fā)出報警警告。用式子表達就是 設一秒前的值為A，當前值為B，者有  |A-B|>=5則輸出報警。
sanlihu
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1樓  發(fā)表于: 2015-06-30 20:06
定時(shí)中斷讀入兩個(gè)模擬量進(jìn)行比較
吉圓電氣 QQ751673698

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