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應變式壓力傳感器

識別傳感器信號的新方法

發布日期：2022-08-21 點擊率：73

　　本文介紹了一種快速識別傳感器信號的新方法，即嘗試對模擬信號直接進行數字化處理，用門限電平采樣記數法快速、準確地識別傳感器發出的信號，目的在于提高計算機控制系統對傳感器信號的識別速度，排除各種干擾信號，及時進行決策處理。實踐證明該方法切實可行，效果理想。

　　１．　門限電平采樣記數電路工作原理

　　作者在從事某計算機控制系統的研制課題時，采用了雙通道的“門限電平采樣記數法”嘗試對傳感器輸出的模擬信號直接進行數字化處理，快速檢測和識別現場傳感器信號，效果理想。

　　所謂“門限電平采樣記數法”的基本思路是：對被測模擬信號的有效寬度和相應幅值范圍直接進行數字化采樣及識別處理。

　　２．　雙通道“門限電平采樣記數法”原理及特點分析。

　　

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