{"id":27906,"date":"2023-09-18T18:57:54","date_gmt":"2023-09-18T10:57:54","guid":{"rendered":"\/\/www.viralrail.com\/?p=27906"},"modified":"2023-09-18T18:57:54","modified_gmt":"2023-09-18T10:57:54","slug":"zyscfsjb","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/27906.html","title":{"rendered":"\u600e\u6837\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2"},"content":{"rendered":"

  \u8d1f\u4e09\u89d2\u6ce2\u662f\u4e00\u79cd\u91cd\u8981\u7684\u6ce2\u5f62\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u97f3\u9891\u4fe1\u53f7\u5904\u7406\u3001\u8c03\u8bd5\u7535\u5b50\u7cfb\u7edf\u7b49\u3002\u5176\u7279\u70b9\u662f\u5b83\u7684\u6b63\u5f26\u6ce2\u4e00\u76f4\u5728\u632f\u8361\uff0c\u4f46\u632f\u8361\u7684\u5e45\u5ea6\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u53d8\u5316\uff0c\u6700\u7ec8\u6536\u655b\u5230\u96f6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u600e\u6837\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\uff0c\u5e76\u8ba8\u8bba\u5b83\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n

\u8d1f\u4e09\u89d2\u6ce2\u7684\u5b9a\u4e49<\/h2>\n

  \u8d1f\u4e09\u89d2\u6ce2\u662f\u4e00\u79cd\u7279\u6b8a\u7684\u6b63\u5f26\u6ce2\uff0c\u5b83\u7684\u5f62\u72b6\u548c\u7ed3\u6784\u7c7b\u4f3c\u4e8e\u4e00\u4e2a\u4e09\u89d2\u5f62\uff0c\u4f46\u662f\u5b83\u7684\u632f\u8361\u5e45\u5ea6\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u53d8\u5316\uff0c\u6700\u7ec8\u6536\u655b\u5230\u96f6\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u7279\u6b8a\u7684\u51fd\u6570\u6765\u8868\u793a\uff0c\u5373\uff1a<\/p>\n

  f(t) = -A*sin(2*pi*f*t)<\/p>\n

  \u5176\u4e2d\uff0cA\u8868\u793a\u632f\u8361\u5e45\u5ea6\uff0cf\u8868\u793a\u9891\u7387\uff0ct\u8868\u793a\u65f6\u95f4\u3002\u4ece\u4e0a\u5f0f\u53ef\u4ee5\u770b\u51fa\uff0c\u8d1f\u4e09\u89d2\u6ce2\u7684\u632f\u8361\u5e45\u5ea6\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u53d8\u5316\uff0c\u6700\u7ec8\u6536\u655b\u5230\u96f6\u3002<\/p>\n

\u600e\u6837\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2<\/h2>\n

\u4e00\u3001\u4f7f\u7528\u7535\u8def\u56de\u8def<\/h3>\n

  \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u7535\u8def\u56de\u8def\u6765\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u632f\u8361\u7535\u8def\uff0c\u5982\u632f\u8361\u5668\u3001\u53cd\u9988\u7535\u8def\u7b49\uff0c\u4ee5\u53ca\u4e00\u4e2a\u6ee4\u6ce2\u7535\u8def\uff0c\u5982\u4f4e\u901a\u6ee4\u6ce2\u5668\u7b49\u3002\u632f\u8361\u7535\u8def\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a\u6b63\u5f26\u6ce2\uff0c\u800c\u6ee4\u6ce2\u7535\u8def\u5219\u53ef\u4ee5\u5c06\u6b63\u5f26\u6ce2\u6539\u53d8\u4e3a\u8d1f\u4e09\u89d2\u6ce2\u3002<\/p>\n

\u4e8c\u3001\u4f7f\u7528\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668<\/h3>\n

  \u4f7f\u7528\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\uff08DSP\uff09\u4e5f\u53ef\u4ee5\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\u3002\u8be5\u65b9\u6cd5\u9700\u8981\u4f7f\u7528\u4e00\u4e2aDSP\u82af\u7247\uff0c\u5982ARM\u3001Cortex\u7b49\uff0c\u4ee5\u53ca\u4e00\u4e2a\u6ee4\u6ce2\u5668\uff0c\u5982\u4f4e\u901a\u6ee4\u6ce2\u5668\u7b49\u3002DSP\u82af\u7247\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a\u6b63\u5f26\u6ce2\uff0c\u800c\u6ee4\u6ce2\u5668\u5219\u53ef\u4ee5\u5c06\u6b63\u5f26\u6ce2\u6539\u53d8\u4e3a\u8d1f\u4e09\u89d2\u6ce2\u3002<\/p>\n

\u4e09\u3001\u4f7f\u7528\u8f6f\u4ef6<\/h3>\n

  \u53e6\u5916\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8f6f\u4ef6\u6765\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\u3002\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u97f3\u9891\u7f16\u8f91\u8f6f\u4ef6\uff0c\u5982Audacity\u3001GarageBand\u7b49\uff0c\u4ee5\u53ca\u4e00\u4e2a\u6ee4\u6ce2\u5668\uff0c\u5982\u4f4e\u901a\u6ee4\u6ce2\u5668\u7b49\u3002\u97f3\u9891\u7f16\u8f91\u8f6f\u4ef6\u53ef\u4ee5\u4ea7\u751f\u4e00\u4e2a\u6b63\u5f26\u6ce2\uff0c\u800c\u6ee4\u6ce2\u5668\u5219\u53ef\u4ee5\u5c06\u6b63\u5f26\u6ce2\u6539\u53d8\u4e3a\u8d1f\u4e09\u89d2\u6ce2\u3002<\/p>\n

\u7ed3\u8bba<\/h2>\n

  \u4ee5\u4e0a\u4ecb\u7ecd\u4e86\u600e\u6837\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\uff0c\u5e76\u8ba8\u8bba\u4e86\u5b83\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/strong>\u53ef\u4ee5\u770b\u51fa\uff0c\u8d1f\u4e09\u89d2\u6ce2\u53ef\u4ee5\u7528\u4e8e\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u97f3\u9891\u4fe1\u53f7\u5904\u7406\u3001\u8c03\u8bd5\u7535\u5b50\u7cfb\u7edf\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u7535\u8def\u56de\u8def\u3001\u6570\u5b57\u4fe1\u53f7\u5904\u7406\u5668\u3001\u8f6f\u4ef6\u7b49\u591a\u79cd\u65b9\u6cd5\u6765\u751f\u6210\u8d1f\u4e09\u89d2\u6ce2\u3002\u56e0\u6b64\uff0c\u8d1f\u4e09\u89d2\u6ce2\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u5177\u6709\u91cd\u8981\u7684\u610f\u4e49\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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