Z\u53d8\u6362\uff08ZT\uff09\u662f\u5bf9\u79bb\u6563\u5e8f\u5217\u8fdb\u884c\u7684\u4e00\u79cd\u6570\u5b66\u53d8\u6362\uff0c\u5e38\u7528\u4e8e\u6c42\u7ebf\u6027\u65f6\u4e0d\u53d8\u5dee\u5206\u65b9\u7a0b\u7684\u89e3\uff0c\u5b83\u5728\u79bb\u6563\u7cfb\u7edf\u4e2d\u7684\u5730\u4f4d\u5982\u540c\u62c9\u666e\u62c9\u65af\u53d8\u6362\u5728\u8fde\u7eed\u7cfb\u7edf\u4e2d\u7684\u5730\u4f4d\uff0cZ\u53d8\u6362\u5df2\u6210\u4e3a\u5206\u6790\u7ebf\u6027\u65f6\u4e0d\u53d8\u79bb\u6563\u7cfb\u7edf\u95ee\u9898\u7684\u91cd\u8981\u5de5\u5177\uff0c\u5e76\u4e14\u5728\u6570\u5b57\u4fe1\u53f7\u5904\u7406 \u3001\u8ba1\u7b97\u673a\u63a7\u5236\u7cfb\u7edf\u7b49\u9886\u57df\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n
\u4ece\u6d1b\u6717\u7ea7\u6570\u7684\u89d2\u5ea6\u6765\u770b\uff0cZ\u53d8\u6362\u7684\u4f5c\u7528\u5c31\u662f\u53ef\u4ee5\u7528\u4e00\u4e2a\u590d\u53d8\u51fd\u6570\u6765\u7b49\u4ef7\u8868\u793a\u4e00\u4e32\u79bb\u6563\u4fe1\u53f7\u3002<\/p>\n
Z\u53d8\u6362\u5f97\u5230\u7684\u662f\u4e00\u4e2a\u5173\u4e8e\u590d\u53d8\u91cfz\u7684\u590d\u53d8\u51fd\u6570\uff0c\u800c\u7b49\u53f7\u7684\u53f3\u8fb9\u6070\u597d\u662f\u8fd9\u4e2a\u590d\u53d8\u51fd\u6570\u5728\u539f\u70b9\u5904\u7684\u6d1b\u6717\u7ea7\u6570\u5c55\u5f00\uff0c\u66f4\u5de7\u7684\u662f\u8fd9\u4e9b\u4e2a\u5c55\u5f00\u9879\u7684\u7cfb\u6570x(-1)\uff0cx(0)\uff0cx(1)\u7b49\u7b49\u6b63\u662f\u6211\u4eec\u7684\u79bb\u6563\u4fe1\u53f7\u3002<\/p>\n
\u00a0<\/p>\n
A(V)(dB)=20lg(Vo\/Vi)\uff1b\u7535\u538b\u589e\u76ca,Vo \u4e3a\u8f93\u51fa\u7535\u538b\uff0cVi\u4e3a\u8f93\u5165\u7535\u538b
A(I)(dB)=20lg(Io\/Ii)\uff1b\u7535\u6d41\u589e\u76ca,Io \u4e3a\u8f93\u51fa\u7535\u6d41\uff0cIi\u4e3a\u8f93\u5165\u7535\u6d41
A(p)(dB)=10lg(Po\/Pi)\uff1b\u529f\u7387\u589e\u76ca\uff0cPo \u4e3a\u8f93\u51fa\u529f\u7387\uff0cPi\u4e3a\u8f93\u5165\u529f\u7387<\/p>\n
\u00a0<\/p>\n
\u00a0<\/p>\n
\u53c2\u8003\uff1a<\/p>\n
https:\/\/zhuanlan.zhihu.com\/p\/605623608<\/p>\n
https:\/\/www.zhihu.com\/question\/278190848<\/p>\n","protected":false},"excerpt":{"rendered":"
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