{"id":118431,"date":"2026-10-27T12:17:46","date_gmt":"2026-10-27T04:17:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/118431.html"},"modified":"2026-10-27T12:17:46","modified_gmt":"2026-10-27T04:17:46","slug":"a-b%e4%b8%a4%e7%82%b9%e6%a0%87%e5%ae%9a%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a30-70%e7%ad%96%e7%95%a5%e3%80%81ymxn%e4%b8%8e%e6%a0%87%e5%ae%9a%e7%82%b9%e6%9c%89%e6%95%88%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/118431.html","title":{"rendered":"A\/B\u4e24\u70b9\u6807\u5b9a\u6df1\u5ea6\u89e3\u6790\uff1a30%\/70%\u7b56\u7565\u3001Y=MX+N\u4e0e\u6807\u5b9a\u70b9\u6709\u6548\u673a\u5236"},"content":{"rendered":"

www.z-linear.com<\/p>\n

G511\u624b\u518c\u628a\u4e24\u70b9\u6807\u5b9a\u7684\u5de5\u7a0b\u7ec6\u8282\u5199\u900f\u4e86：A\/B\u4e24\u70b9\u4e00\u822c\u5728\u6ee1\u91cf\u7a0b\u768430%\u548c70%\u9644\u8fd1\u6807\u5b9a，\u7ebf\u6027\u5316\u5206\u5272\u6574\u4e2a\u91cf\u7a0b；\u6570\u5b57\u91cf\u4e0e\u6a21\u62df\u91cf\u7684\u5173\u7cfb\u662fY=MX+N\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b，D1\/D2\u662fA\/B\u70b9\u6570\u5b57\u91cf\u3001A1\/A2\u662f\u6a21\u62df\u91cf；\u70b9\u51fb\u6807\u5b9a\u540e\u677f\u5361\u5b9e\u65f6\u8bfb\u53d6\u5f53\u524dADC\u6570\u5b57\u91cf\u4e00\u8d77\u5b58\u5165\u5b58\u50a8\u5668，\u6709\u6548\u72b6\u6001\u7531\u8f6f\u4ef6\u81ea\u5df1\u5904\u7406，\u53ea\u8bfb\u3002\u672c\u6587\u5b8c\u6574\u89e3\u6790\u3002<\/p>\n

\n

\u4e00\u3001\u4e24\u70b9\u6807\u5b9a\u7684\u6570\u5b66（\u624b\u518c\u539f\u6587\u7ea7）<\/h3>\n

1.1 \u6a21\u578b<\/h4>\n

\u4e24\u70b9\u6807\u5b9a\u662f\u5047\u8bbe\u6574\u4e2a\u91cf\u7a0b\u90fd\u662f\u7ebf\u6027\u7684，\u6570\u5b57\u91cf\u548c\u5b9e\u9645\u6a21\u62df\u91cf\u5173\u7cfb\u4e3a\u7b80\u5355\u7684\u4e00\u5143\u4e00\u6b21\u65b9\u7a0bY=MX+N，\u5176\u4e2dY\u4e3a\u8ba1\u7b97\u7684\u6a21\u62df\u91cf，X\u4e3a\u8f93\u5165\u7684ADC\u6570\u5b57\u91cf\u3002\u4e3a\u4e86\u6c42\u5f97\u7cfb\u6570M\u548cN，\u81f3\u5c11\u9700\u8981\u4e24\u7ec4\u53c2\u6570，\u6240\u4ee5\u901a\u8fc7A\u548cB\u4e24\u7ec4\u6807\u5b9a\u70b9，\u5373\u53ef\u6c42\u51fa\u3002<\/p>\n

1.2 \u63a8\u5bfc<\/h4>\n

\u5df2\u77e5:
\n A\u70b9: \u6570\u5b57\u91cfD1 \u2194 \u6a21\u62df\u91cfA1
\n B\u70b9: \u6570\u5b57\u91cfD2 \u2194 \u6a21\u62df\u91cfA2<\/p>\n

\u6c42: \u5f53\u524d\u6570\u5b57\u91cfdata \u2192 \u6a21\u62df\u91cfresult<\/p>\n

Y = MX+N \u8054\u7acb\u4e24\u70b9:
\n A1 = M\u00b7D1 + N
\n A2 = M\u00b7D2 + N
\n\u76f8\u51cf:
\n M = (A2 – A1) \/ (D2 – D1)
\n N = A1 – M\u00b7D1<\/p>\n

\u7ebf\u6027\u63d2\u503c:
\n result = M\u00b7data + N
\n = A1 + (A2-A1)\u00b7(data-D1)\/(D2-D1)<\/p>\n

\u624b\u518c\u6307\u660e\u5177\u4f53\u8ba1\u7b97\u8fc7\u7a0b\u53ef\u5728\u91c7\u96c6\u5361\u7684C#\u4e0a\u4f4d\u673amsgStruct.cs\u6587\u4ef6\u4e2d\u67e5\u770b\u2014\u2014\u5f00\u6e90\u8ba9\u6bcf\u4e00\u6b65\u516c\u5f0f\u53ef\u9a8c\u8bc1\u3002<\/p>\n

\n

\u4e8c\u3001\u4e3a\u4ec0\u4e48\u900930%\u548c70%？<\/h3>\n

2.1 \u624b\u518c\u539f\u6587<\/h4>\n

A\/B\u4e24\u70b9\u6807\u5b9a\u529f\u80fd，\u4e00\u822c\u662f\u6839\u636e\u6ee1\u91cf\u7a0b\u768430%\u548c70%\u4e24\u70b9\u9644\u8fd1\u8fdb\u884c\u6807\u5b9a，\u7136\u540e\u7ebf\u6027\u5316\u5206\u5272\u6574\u4e2a\u91cf\u7a0b，\u53ef\u4ee5\u5c06\u91cf\u7a0b\u7ebf\u6027\u5ea6\u6700\u5927\u5316\u3002<\/p>\n

2.2 \u7b56\u7565\u89e3\u8bfb<\/h4>\n

\u4e3a\u4ec0\u4e48\u4e0d\u662f0%\u548c100%?<\/p>\n

\u2460 \u907f\u5f00\u7aef\u70b9\u975e\u7ebf\u6027\u533a:
\n ADC\/\u8c03\u7406\u7535\u8def\u5728\u91cf\u7a0b\u4e24\u7aef
\n (\u8f68\u5230\u8f68\u8fb9\u7f18)\u7ebf\u6027\u5ea6\u6700\u5dee
\n 30%\/70%\u5904\u4e8e\u7ebf\u6027\u9ec4\u91d1\u533a<\/p>\n

\u2461 \u8bef\u5dee\u5747\u644a:
\n \u4e24\u70b9\u5b9a\u7ebf\u540e,\u6700\u5927\u63d2\u503c\u8bef\u5dee
\n \u51fa\u73b0\u5728\u533a\u95f4\u5916\u5ef6(0~30%\u4e0e70~100%)
\n 30\/70\u5bf9\u79f0 \u2192 \u4e24\u7aef\u5916\u5ef6\u7b49\u957f \u2192 \u8bef\u5dee\u5747\u8861<\/p>\n

\u2462 \u4fe1\u566a\u6bd4:
\n 30%\/70%\u4fe1\u53f7\u5e45\u5ea6\u8db3\u591f\u5927
\n \u2192 \u6807\u5b9a\u70b9\u81ea\u8eab\u8bfb\u6570\u566a\u58f0\u5360\u6bd4\u5c0f
\n (0%\u9644\u8fd1\u4fe1\u53f7\u5c0f,\u8bfb\u6570\u566a\u58f0\u6743\u91cd\u5927)<\/p>\n

\n

\u4e09\u3001\u6807\u5b9a\u64cd\u4f5c\u6d41\u7a0b（\u624b\u518c\u539f\u6587）<\/h3>\n

3.1 \u6b65\u9aa4<\/h4>\n

\u6807\u5b9a\u8fc7\u7a0b，\u9700\u8981\u5916\u90e8\u6709\u9ad8\u7cbe\u5ea6\u7684\u4eea\u5668\u4eea\u8868，\u53ef\u4ee5\u7cbe\u786e\u6d4b\u91cf\u5f53\u524d\u63d0\u4f9b\u7ed9\u91c7\u96c6\u5361\u7684\u7269\u7406\u91cf\u5bf9\u5e94\u7684\u503c，\u586b\u5165\u6807\u5b9a\u70b9\u7684\u6a21\u62df\u91cf\u680f\u4e2d，\u70b9\u51fb\u6807\u5b9a\u70b9\u5373\u53ef\u3002\u70b9\u51fb\u6807\u5b9a\u540e，\u4e0a\u4f4d\u673a\u4f1a\u628a\u7528\u6237\u8f93\u5165\u7684\u6a21\u62df\u91cf\u4f20\u8f93\u5230\u91c7\u96c6\u5361\u4e2d，\u91c7\u96c6\u5361\u4f1a\u5b9e\u65f6\u8bfb\u53d6\u5f53\u524dADC\u901a\u9053\u5bf9\u5e94\u7684\u6570\u5b57\u91cf，\u4e00\u8d77\u5b58\u5165\u5230\u5b58\u50a8\u5668\u4e2d，\u5e76\u5c06\u5f53\u524d\u6807\u5b9a\u5bf9\u5e94\u7684\u70b9A\u6216\u8005\u70b9B\u7684\u72b6\u6001\u6807\u8bb0\u4e3a\u6709\u6548\u3002<\/p>\n

\u5b8c\u6574\u6d41\u7a0b:
\n1. \u901a\u9053\u63a5\u6807\u51c6\u6e90(30%FS\u503c,\u5982\u00b15V\u6863\u63a5+1.5V)
\n2. \u7cbe\u5bc6\u4eea\u8868\u786e\u8ba4\u5b9e\u9645\u8f93\u5165\u503c(\u59821.5000V)
\n3. \u4e0a\u4f4d\u673aA\u70b9\u680f\u586b 1.5000 \u2192 \u70b9"\u6807\u5b9aA"
\n4. \u677f\u5361\u52a8\u4f5c:
\n \u2460 \u6536\u5230\u6a21\u62df\u91cfA1=1.5000
\n \u2461 \u5b9e\u65f6\u8bfb\u53d6\u5f53\u524dADC\u6570\u5b57\u91cfD1
\n \u2462 A1\u4e0eD1\u4e00\u8d77\u5199\u5165\u5b58\u50a8\u5668(FRAM)
\n \u2463 A\u70b9\u72b6\u6001\u2192\u6709\u6548 \u2713
\n5. \u636270%FS(+3.5V) \u2192 \u540c\u6cd5\u6807\u5b9aB\u70b9
\n6. \u6b64\u540e\u8bfb\u6570\u81ea\u52a8\u6309Y=MX+N\u4fee\u6b63<\/p>\n

3.2 \u5173\u952e\u7ec6\u8282：\u6570\u5b57\u91cf\u7531\u677f\u5361\u81ea\u8bfb<\/h4>\n

\u6a21\u62df\u91cf\u7531\u7528\u6237\u63d0\u4f9b（\u586b\u5165），\u6570\u5b57\u91cf\u7531\u677f\u5361\u5b9e\u65f6\u8bfb\u53d6\u2014\u2014\u4e24\u8def\u6570\u636e\u5728\u5361\u5185\u6c47\u5408\u5b58\u50a8\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u8fd9\u6837\u8bbe\u8ba1?
\n\u00b7 \u6570\u5b57\u91cf\u5fc5\u987b\u4e0e\u6807\u5b9a\u65f6\u523b\u7684ADC\u5b9e\u9645\u72b6\u6001\u4e00\u81f4
\n (\u542b\u8be5\u901a\u9053\u7684\u5931\u8c03\/\u589e\u76ca\u8bef\u5dee\u2014\u2014\u6b63\u662f\u8981\u6807\u7684\u4e1c\u897f)
\n\u00b7 \u5361\u5185\u81ea\u8bfb\u675c\u7edd\u4e86"\u4e0a\u4f4d\u673a\u8bfb\u53d6\u65f6\u523b \u2260 \u6807\u5b9a\u65f6\u523b"
\n \u7684\u7ade\u6001
\n\u2192 \u6570\u636e\u53ef\u4fe1\u6027\u7531\u67b6\u6784\u4fdd\u8bc1<\/p>\n

3.3 \u6709\u6548\u72b6\u6001\u53ea\u8bfb<\/h4>\n

\u6709\u6548\u65e0\u6cd5\u624b\u52a8\u4fee\u6539，\u662f\u8f6f\u4ef6\u81ea\u5df1\u5904\u7406\u7684，\u4e3a\u53ea\u8bfb\u53c2\u6570\u3002<\/p>\n

\u6709\u6548\u4f4d\u7684\u751f\u547d\u5468\u671f:
\n\u672a\u6807\u5b9a: \u65e0\u6548(\u4fee\u6b63\u4e0d\u542f\u7528)
\n\u70b9\u51fb\u6807\u5b9a: \u91c7\u96c6\u5b58\u5165\u6210\u529f \u2192 \u81ea\u52a8\u7f6e\u6709\u6548
\n\u6e05\u9664\u6807\u5b9a: \u4e0a\u4f4d\u673a\u63d0\u4f9b"\u6e05\u9664\u6807\u5b9a"\u6309\u94ae(\u8bb0\u5f55\u4eea\u9875)
\n\u2192 \u7528\u6237\u4e0d\u80fd\u624b\u6539"\u6709\u6548" \u2192 \u9632\u6b62\u5047\u6807\u5b9a
\n (\u6807\u4e86\u6ca1\u6807,\u673a\u5668\u8bf4\u4e86\u7b97)<\/p>\n

\n

\u56db\u3001\u4e0e"\u8bfb\u53d6\/\u542f\u7528\u6807\u5b9a"\u7684\u914d\u5408<\/h3>\n

\u6570\u636e\u6d41(\u7ed3\u5408\u535a\u6587138):
\nFRAM\u4e2d: calibPointA[8]\/calibPointB[8]
\n + correctFactor[8](=M) + calibZero[8](=N\u9879)<\/p>\n

\u542f\u7528\u6807\u5b9a\u2611 \u2192 \u8bfb\u6570 = M\u00b7code + N
\n\u6e05\u9664\u6807\u5b9a \u2192 \u8be5\u901a\u9053\u56de\u5230\u51fa\u5382\u7cfb\u6570\/\u539f\u59cb\u503c
\n\u9a8c\u8bc1: \u6807\u5b9a\u540e\u8bfb30%\/70%\u4e24\u4e2a\u5df2\u77e5\u70b9
\n \u8bef\u5dee\u5e94\u2264\u00b15mV\u7ea7(\u7535\u538b\u6863)<\/p>\n

\n

\u4e94\u3001\u6eaf\u6e90\u8981\u6c42<\/h3>\n

\u6807\u5b9a\u4e0d\u786e\u5b9a\u5ea6\u94fe:
\n \u4f60\u7684\u6807\u51c6\u6e90\u7cbe\u5ea6 \u2265 \u76ee\u6807\u7cbe\u5ea6\u00d7(3~5\u500d)<\/p>\n

\u76ee\u6807: \u901a\u9053\u00b10.05%FS(\u00b12.5mV@\u00b15V)
\n \u2192 \u6807\u51c6\u6e90\u9700 \u2264\u00b10.5mV\u7ea7(0.01%\u7ea7\u57fa\u51c6)
\n (\u59825\u4f4d\u534a\u4e07\u7528\u8868\u76d1\u89c6\/\u7cbe\u5bc6\u57fa\u51c6\u82af\u7247+\u5206\u538b)<\/p>\n

\u5e38\u89c1\u5931\u8bef:
\n \u75283\u4f4d\u534a\u4e07\u7528\u8868\u6807\u5b9a \u2192 \u6e90\u8bef\u5dee1mV\u7ea7
\n \u2192 \u6807\u5b9a\u672c\u8eab\u5f15\u5165\u7684\u8bef\u5dee\u4e0e\u76ee\u6807\u540c\u91cf\u7ea7 \u2717<\/p>\n

\n

\u516d\u3001\u5e38\u89c1\u95ee\u9898<\/h3>\n\n\u95ee\u9898\u89e3\u7b54<\/tr>\n\n\n\n\n\n\n\n
\u6807\u5b9a\u70b9\u5fc5\u987b\u6b63\u597d30%\/70%?<\/td>\n"\u9644\u8fd1"\u5373\u53ef,\u5bf9\u79f0\u5206\u5e03\u6700\u4f18<\/td>\n<\/tr>\n
\u53ea\u6807\u4e00\u70b9\u884c\u5417?<\/td>\n\u6570\u5b66\u4e0a\u4e24\u70b9\u624d\u80fd\u5b9a\u7ebf;\u5355\u70b9\u4ec5\u4fee\u96f6<\/td>\n<\/tr>\n
\u6807\u5b9a\u540e\u7ebf\u6027\u4ecd\u5dee?<\/td>\n\u901a\u9053\u672c\u8eab\u975e\u7ebf\u6027\u8d85\u5dee(\u4e24\u70b9\u6a21\u578b\u4e0d\u591f)<\/td>\n<\/tr>\n
\u6709\u6548\u4f4d\u7070\u8272?<\/td>\n\u8be5\u70b9\u672a\u6807\u5b9a\u6216\u6e05\u9664\u8fc7<\/td>\n<\/tr>\n
\u80fd\u6807\u5b9a\u5355\u4f4d\u6362\u7b97\u5417?<\/td>\n\u914d\u5408\u7075\u654f\u5ea6\u7cfb\u6570,\u6807\u5b9a+\u5355\u4f4d\u7ec4\u5408\u6210\u5de5\u7a0b\u91cf<\/td>\n<\/tr>\n
\u6bcf\u91cf\u7a0b\u5206\u522b\u6807?<\/td>\n\u662f,\u91cf\u7a0b\u5404\u81ea\u72ec\u7acb\u7cfb\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u4e03\u3001\u603b\u7ed3<\/h3>\n

A\/B\u4e24\u70b9\u6807\u5b9a\u5b9e\u73b0\u4e86：<\/p>\n\n\u73af\u8282\u8bbe\u8ba1<\/tr>\n\n\n\n\n\n\n\n
\u6a21\u578b<\/td>\nY=MX+N,D1\/D2\u6570\u5b57+A1\/A2\u6a21\u62df<\/td>\n<\/tr>\n
\u7b56\u7565<\/td>\n30%\/70%\u6ee1\u91cf\u7a0b,\u7ebf\u6027\u9ec4\u91d1\u533a<\/td>\n<\/tr>\n
\u6570\u636e\u6765\u6e90<\/td>\n\u6a21\u62df\u91cf\u7528\u6237\u586b,\u6570\u5b57\u91cf\u5361\u81ea\u8bfb<\/td>\n<\/tr>\n
\u5b58\u50a8<\/td>\nFRAM,\u901a\u9053\u6570\u7ec4\u5316<\/td>\n<\/tr>\n
\u6709\u6548\u4f4d<\/td>\n\u8f6f\u4ef6\u81ea\u7ba1,\u53ea\u8bfb\u9632\u5047\u6807\u5b9a<\/td>\n<\/tr>\n
\u9a8c\u8bc1<\/td>\n\u6e90\u5934\u7cbe\u5ea63~5\u500d\u6cd5\u5219<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e00\u6761\u76f4\u7ebf\u3001\u4e24\u4e2a\u951a\u70b9\u3001\u56db\u4e2a\u6570\u5b57\u2014\u2014\u4e24\u70b9\u6807\u5b9a\u7528\u6700\u7b80\u5355\u7684\u6570\u5b66\u5b8c\u6210\u4e86\u5bf9\u6574\u6761\u901a\u9053\u7684"\u518d\u6559\u80b2"\u3002\u800c"\u6570\u5b57\u91cf\u7531\u677f\u5361\u5b9e\u65f6\u8bfb\u53d6\u3001\u6709\u6548\u4f4d\u53ea\u8bfb"\u8fd9\u4e24\u4e2a\u7ec6\u8282，\u662fZLinear\u628a\u6807\u5b9a\u53ef\u4fe1\u6027\u505a\u8fdb\u67b6\u6784\u7684\u8bc1\u660e：\u7cbe\u5ea6\u4e0d\u53ea\u9760\u5668\u4ef6，\u66f4\u9760\u6d41\u7a0b\u7684\u4e0d\u53ef\u4f5c\u5f0a\u3002<\/p>\n

\n

\u4e0b\u7bc7\u9884\u544a：\u300aADC\u65b0\u624b\u9009\u578b\u7b2c\u4e00\u8bfe：\u5339\u914d\u539f\u5219\u4e0e\u4e09\u5927\u63a5\u53e3\u300b<\/p>\n","protected":false},"excerpt":{"rendered":"

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