\n\t![\"\u5f00\u5173\u65f6\u95f4\u3001\u8c10\u6ce2\u3001\u4e92\u8c03\u5931\u771f\u6d4b\u8bd5\u7684\u57fa\u672c\u4ecb\u7ecd\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/180929\/1100114429-0.jpg\")
<\/p>\n
\n\t\u56fe7: \u5f00\u5173\u65f6\u95f4\u6d4b\u8bd5<\/p>\n
\n\t\u5b9e\u9a8c\u5ba4\u9a8c\u8bc1\u5206\u6790<\/p>\n
\n\t\u9488\u5bf9\u4e8e\u5b9e\u9a8c\u5ba4\u7684\u6d4b\u8bd5\uff0c\u6839\u636e\u901a\u5e38\u4f1a\u8003\u8651\u4f7f\u7528\u9ad8\u5e26\u5bbd\u9ad8\u901f\u793a\u6ce2\u5668<\/u>\u6765\u8fdb\u884c\u6d4b\u8bd5\u3002\u6d4b\u8bd5\u65b9\u6cd5\u662f\u5728\u4e24\u4e2a\u901a\u9053\u540c\u65f6\u83b7\u53d6DUT\u63a7\u5236\u4fe1\u53f7\u548c\u5c04\u9891\u4fe1\u53f7\uff0c\u5e76\u6d4b\u91cfDUT\u63a7\u5236\u4fe1\u53f7\u7684\u8df3\u53d8\u6cbf\u548c\u5c04\u9891\u4fe1\u53f7\u5230\u8fbe\u76f8\u5e94\u529f\u7387\u503c\u65f6\u523b\u7684\u65f6\u95f4\u5dee\u3002<\/p>\n
\n\t\u9a8c\u8bc1\u6d4b\u8bd5\u4e2d\u793a\u6ce2\u5668\u5e26\u5bbd\u5bf9\u4e8e\u5f00\u5173\u65f6\u95f4\u6d4b\u8bd5\u7684\u5f71\u54cd<\/p>\n
\n\t\u5bf9\u4e8e\u793a\u6ce2\u5668\u800c\u8a00\uff0c\u6700\u5173\u5fc3\u7684\u4e00\u4e2a\u6307\u6807\u5c31\u662f\u5e26\u5bbd\u3002\u5e26\u5bbd\u63cf\u8ff0\u4e86\u4ece\u63a2\u9488\u6216\u6d4b\u8bd5\u5939\u5177\u524d\u7aef\u5230ADC<\/u>\uff0c\u8f93\u5165\u4fe1\u53f7\u5e45\u503c\u635f\u5931\u6700\u5c0f\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u6a21\u62df\u524d\u7aef\u7684\u9891\u7387\u8303\u56f4\u3002\u5e26\u5bbd\u88ab\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u6b63\u5f26\u6ce2\u8f93\u5165\uff0c\u901a\u8fc7\u793a\u6ce2\u5668\u540e\u6d4b\u5f97\u5176\u539f\u59cb\u5e45\u503c70.7%\u7684\u9891\u7387\uff0c\u4e5f\u79f0\u4e3a-3dB\u70b9\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5efa\u8bae\u793a\u6ce2\u5668\u7684\u5e26\u5bbd\u662f\u88ab\u6d4b\u4fe1\u53f7\u4e2d\u6700\u9ad8\u9891\u7387\u5206\u91cf\u76842\u52305\u500d\uff0c\u5c06\u6355\u83b7\u7684\u4fe1\u53f7\u5e45\u5ea6\u8bef\u5dee\u5f71\u54cd\u964d\u4f4e\u5230\u6700\u5c0f (\u5e26\u5bbd\u8981\u6c42=(2~5)*\u9891\u7387)\u3002<\/p>\n
\n\t\u5bf9\u4e8e\u5c04\u9891\u5f00\u5173\u7684\u5b9e\u9a8c\u5ba4\u5f00\u5173\u65f6\u95f4\u9a8c\u8bc1\u6d4b\u8bd5\uff0c\u9700\u8981\u8fdb\u884cDUT\u63a7\u5236\u4fe1\u53f7\u4e0e\u5c04\u9891\u5f00\u5173\u8f93\u51fa\u4fe1\u53f7\u8fbe\u5230\u5bf9\u5e94\u529f\u7387\u503c\u65f6\u523b\u7684\u65f6\u95f4\u5dee\uff0c\u56e0\u6b64\u5bf9\u4e8e\u4e24\u8005\u800c\u8a00\uff0c\u4e0a\u5347\u65f6\u95f4\u6d4b\u91cf\u662f\u5176\u4e2d\u7684\u5173\u952e\u3002<\/p>\n
\n\t\u56fe8\u663e\u793a\u4e86\u4e00\u4e2a500MHz\u8303\u56f4\u6d4b\u91cf\u9ad8\u65af\u6a21\u578b\u7684\u9636\u8dc3\u54cd\u5e94\u3002\u5f53\u9636\u8dc3\u76f8\u5e94\u7684\u6700\u9ad8\u9891\u7387\u662f4\u500d\u4e8e\u4eea\u5668\u5e26\u5bbd\u65f6\uff08\u7ea2\u8272\u66f2\u7ebf\uff09\uff0c\u6211\u4eec\u770b\u5230\u7684\u57fa\u672c\u4e0a\u4ec5\u662f\u793a\u6ce2\u5668\u7684\u9636\u8dc3\u54cd\u5e94\u800c\u4e0d\u662f\u8f93\u5165\u4fe1\u53f7\u7684\u9636\u8dc3\u54cd\u5e94\u3002\u56e0\u6b64\u5728\u8fdb\u884c\u4e0a\u5347\u65f6\u95f4\u6d4b\u91cf\u4e2d\u6709\u76f8\u5f53\u5927\u7684\u8bef\u5dee(416%)\u3002\u88ab\u6d4b\u4fe1\u53f7\u4e0e\u793a\u6ce2\u5668(\u9ec4\u8272\u66f2\u7ebf)\u5177\u6709\u76f8\u540c\u5e26\u5bbd\u65f6\uff0c\u4ecd\u7136\u4f1a\u5bfc\u81f4\u4e25\u91cd\u7684\u8bef\u5dee\uff0840%\uff09\u3002\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u88ab\u6d4b\u4fe1\u53f7\u9891\u7387\u662f\u793a\u6ce2\u5668\u5e26\u5bbd\u76841\/3(\u7eff\u8272\u66f2\u7ebf)\u65f6\uff0c\u4e0a\u5347\u65f6\u95f4\u6d4b\u8bd5\u7ed3\u679c\u5c06\u76f8\u5bf9\u51c6\u786e\uff08\u4ec54.4%\uff09\u3002\u6240\u4ee5\u4e00\u4e2a\u5f88\u597d\u7684\u7ecf\u9a8c\u65b9\u6cd5\u662f\u9009\u62e9\u4e00\u4e2a\u81f3\u5c11\u662f\u6700\u9ad8\u9891\u73873\u500d\u7684\u6a21\u62df\u5e26\u5bbd\u7684\u793a\u6ce2\u5668\u3002<\/p>\n
\n\t![\"\u5f00\u5173\u65f6\u95f4\u3001\u8c10\u6ce2\u3001\u4e92\u8c03\u5931\u771f\u6d4b\u8bd5\u7684\u57fa\u672c\u4ecb\u7ecd\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/180929\/1100111341-1.jpg\")
<\/p>\n
\n\t\u56fe8\uff1a500MHz\u5e26\u5bbd\u793a\u6ce2\u5668\u5bf9\u4e8e\u4e0d\u540c\u9636\u8dc3\u54cd\u5e94\u7684\u66f2\u7ebf<\/p>\n
\n\tNI\u63d0\u4f9b\u4ece400MHz\u5230\u9ad8\u8fbe5G<\/u>Hz\u5e26\u5bbd\u3001\u5206\u8fa8\u7387\u4ece8\u4f4d\u523014\u4f4d\u7684\u591a\u79cd\u793a\u6ce2\u5668\u9009\u62e9\uff0c\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u4e0b\u7684\u6d4b\u8bd5\u4efb\u52a1\u3002\u914d\u5408\u529f\u80fd\u5f3a\u5927\u7684\u4ea4\u4e92\u5f0f\u9762\u677f\uff0c\u5b9e\u73b0\u5b9e\u9a8c\u5ba4\u9a8c\u8bc1\u6027\u6d4b\u8bd5\u8fdb\u884c\u754c\u9762\u53cb\u597d\u7684\u8c03\u8bd5\uff0c\u5e76\u540c\u65f6\u642d\u914d\u591a\u79cd\u8bed\u8a00\u652f\u6301\u7684API<\/u>\uff0c\u5982LabVIEW<\/u>\uff0cC\uff0cPython<\/u>\u7b49\uff0c\u5b9e\u73b0\u5feb\u901f\u5b9e\u9a8c\u5ba4\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5\u5f00\u53d1\u3002<\/p>\n
\n\t\u5229\u7528PXI\u9ad8\u7cbe\u5ea6\u540c\u6b65\u673a\u5236\u5b9e\u73b0\u9ad8\u901f\u91cf\u4ea7\u6d4b\u8bd5<\/p>\n
\n\t\u5728\u5b9e\u9a8c\u5ba4\u9a8c\u8bc1\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u9ad8\u5e26\u5bbd\u793a\u6ce2\u5668\u53ef\u8fdb\u884c\u5feb\u901f\u7684\u6ce2\u5f62\u67e5\u770b\u53ca\u4e0a\u5347\u65f6\u95f4\u8ba1\u7b97\uff0c\u4f46\u662f\u8fd9\u4e2a\u65b9\u6cd5\u5728\u91cf\u4ea7\u6d4b\u8bd5\u4e2d\u5373\u4f7f\u80fd\u591f\u6ee1\u8db3\u6d4b\u8bd5\u9700\u6c42\uff0c\u4f46\u662f\u9762\u5bf9\u91cf\u4ea7\u4e2d\u6210\u672c\u548c\u6d4b\u8bd5\u65f6\u95f4\u4e0a\u7684\u8981\u6c42\uff0c\u4ef7\u683c\u4e0d\u83f2\u7684\u9ad8\u5e26\u5bbd\u7684\u793a\u6ce2\u5668\u5728\u7cfb\u7edf\u6210\u672c\u4e0a\u662f\u4e00\u4e2a\u5de8\u5927\u7684\u5f00\u9500\uff1b\u540c\u65f6DUT\u7684\u5c04\u9891\u8f93\u51fa\u5728\u7cfb\u7edf\u8fde\u63a5\u7ebf\u8bbe\u8ba1\u4e0a\uff0c\u9664\u4e86\u8981\u63a5\u5165\u5c04\u9891\u4eea\u5668\u5916\uff0c\u8fd8\u9700\u8981\u989d\u5916\u5c06\u8f93\u51fa\u63a5\u5165\u5230\u793a\u6ce2\u5668\u4e0a\uff0c\u8fd9\u6837\u5c06\u589e\u52a0\u4e86\u7cfb\u7edf\u7684\u590d\u6742\u5ea6\u3002\u56e0\u6b64\uff0c\u5728\u91cf\u4ea7\u6d4b\u8bd5\u4e2d\uff0c\u6211\u4eec\u4f1a\u8003\u8651\u5176\u4ed6\u8bbe\u8ba1\u65b9\u6cd5\u3002<\/p>\n
\n\t\u8fdb\u884c\u5f00\u5173\u65f6\u95f4\u91cf\u4ea7\u6d4b\u8bd5\u65f6\uff0c\u6211\u4eec\u4f7f\u7528\u5e26PPMU\u529f\u80fd\u7684NI Digital Patte<\/u>rn\u57fa\u4e8e\u5411\u91cf\u7684\u6570\u5b57\u4eea\u5668PXIe-6570\uff0c\u5e76\u914d\u5408NI VST\u77e2\u91cf\u4fe1\u53f7\u6536\u53d1\u4eea\u8fdb\u884c\u7cfb\u7edf\u8bbe\u8ba1\u3002PXIe-6570\u5305\u542b\u5177\u6709\u89e6\u53d1\u548cPattern\u6392\u5e8f\u7684\u6df1\u5ea6\u677f\u8f7d\u5185\u5b58\u3002\u901a\u8fc7\u57fa\u4e8e\u5411\u91cf\u7684Pattern\uff0c\u5b83\u53ef\u5c06\u82af\u7247\u7f16\u7a0b\u5230\u5df2\u77e5\u72b6\u6001\u3002\u800c\u6700\u91cd\u8981\u7684\u662f\uff0c\u57fa\u4e8ePXIe\u603b\u7ebf\u7684\u6d4b\u8bd5\u5e73\u53f0\u8bbe\u8ba1\u4e86\u9ad8\u7cbe\u5ea6\u3001\u4f4e\u5ef6\u65f6\u7684\u5b9a\u662f\u540c\u6b65\u673a\u5236\uff0c\u8fd9\u6837\u7684\u6307\u6807\u5bf9\u4e8e\u4e24\u4e2a\u6a21\u5757\u4e4b\u95f4\u540c\u6b65\u89e6\u53d1\u7684\u95ee\u9898\u5f97\u5230\u4e86\u5f88\u597d\u7684\u89e3\u51b3\u3002<\/p>\n
\n\t\u57fa\u4e8ePXI\u7684\u9ad8\u7cbe\u5ea6\u540c\u6b65\u89e6\u53d1<\/p>\n
\n\tNI\u4e3aPXI\u548cPXI Express\u673a\u7bb1\u63d0\u4f9b\u4e86\u5b9a\u65f6\u548c\u540c\u6b65\u89e3\u51b3\u65b9\u6848\u3002 \u6700\u65b0\u7684PXI Express\u5bf9PXI\u5e73\u53f0\u8fdb\u884c\u4e86\u6539\u9769\uff0c\u5728\u4fdd\u7559\u5411\u540e\u517c\u5bb9\u7684\u540c\u65f6\uff0c\u9488\u5bf9\u6d4b\u91cfI\/O\u8bbe\u5907\uff0c\u63d0\u4f9b\u4e86\u6bd4PXI-1\u66f4\u5f3a\u5927\u7684\u540c\u6b65\u529f\u80fd\u3002 \u5177\u4f53\u4f53\u73b0\u5728\uff1a<\/p>\n
\n\t\u25cf PXI Express\u4fdd\u7559\u4e86\u539f\u59cb\u7684PXI\u89c4\u8303\u4e2d\u768410 MHz\u80cc\u677f\u65f6\u949f<\/u>\uff0c\u4ee5\u53ca\u5355\u7aefPXI\u89e6\u53d1\u603b\u7ebf\u548c\u957f\u5ea6\u5339\u914d\u7684PXI\u661f\u5f62\u89e6\u53d1\u4fe1\u53f7\u3002<\/p>\n
\n\t\u25cf PXI Express\u8fd8\u5728\u80cc\u677f\u4e0a\u589e\u52a0\u4e86100 MHz\u5dee\u5206\u65f6\u949f\u548c\u5dee\u5206\u661f\u5f62\u89e6\u53d1\uff0c\u63d0\u4f9b\u589e\u5f3a\u7684\u6297\u566a\u97f3\u80fd\u529b\u548c\u4e1a\u754c\u9886\u5148\u7684\u540c\u6b65\u7cbe\u5ea6\uff08\u5206\u522b\u4e3a250 ps\u548c500 ps\u7684\u6a21\u5757\u95f4\u5ef6\u8fdf\u5dee\uff09\u3002 NI\u5b9a\u65f6\u548c\u540c\u6b65\u6a21\u5757\u5145\u5206\u5229\u7528PXI\u548cPXI Express\u673a\u7bb1\u4e2d\u7684\u9ad8\u7ea7\u5b9a\u65f6\u548c\u89e6\u53d1\u6280\u672f\u4f18\u52bf\u3002<\/p>\n
\n\t![\"\u5f00\u5173\u65f6\u95f4\u3001\u8c10\u6ce2\u3001\u4e92\u8c03\u5931\u771f\u6d4b\u8bd5\u7684\u57fa\u672c\u4ecb\u7ecd\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/180929\/1100116007-2.jpg\")
<\/p>\n
\n\t\u56fe 9\uff1a\u57fa\u4e8ePXI\u7684\u5b9a\u65f6\u540c\u6b65\u673a\u5236<\/p>\n
\n\t\u5728\u91cf\u4ea7\u6d4b\u8bd5\u7cfb\u7edf\u8bbe\u8ba1\u4e0a\uff0c\u6211\u4eec\u4e5f\u5145\u5206\u5229\u7528\u4e86PXI\u5e73\u53f0\u89e6\u53d1\u603b\u7ebf\u7684\u9ad8\u51c6\u786e\u5ea6\u3001\u4f4e\u5ef6\u65f6\u7279\u6027\u3002\u5982\u56fe10\u6240\u793a\uff0c\u57fa\u4e8e\u5411\u91cf\u7684\u6570\u5b57\u4eea\u5668PXIe-6570\u5728\u7ed9\u51fa\u63a7\u5236\u547d\u4ee4\u7684\u540c\u65f6\uff0c\u4ea7\u751f\u4e00\u4e2a\u4e8b\u4ef6\u89e6\u53d1\u8109\u51b2\uff0c\u8fd9\u4e2a\u8109\u51b2\u901a\u8fc7PXI\u603b\u7ebf\u4f20\u9001\u5230VST\uff0c\u89e6\u53d1VST\u5f00\u59cb\u91c7\u96c6\u5c04\u9891\u4fe1\u53f7\u3002\u5728\u7cfb\u7edf\u4e2d\u9010\u4e2a\u68c0\u67e5\u5c04\u9891\u4fe1\u53f7\u91c7\u6837\u503c\u7684\u5e45\u5ea6\uff0c\u6bd4\u8f83\u53ef\u5f97\u5230\u7b2c\u4e00\u4e2a\u5e45\u5ea6\u6ee1\u8db3\u8981\u6c42\u7684\u91c7\u6837\u70b9\uff0c\u5e76\u4e14\u7531\u4e8e\u5c04\u9891\u4fe1\u53f7\u91c7\u96c6\u7684\u5f00\u59cb\u65f6\u523b\u5c31\u662f\u5f00\u5173\u5207\u6362\u7684\u65f6\u523b\uff0c\u4e0e\u6ee1\u8db3\u8981\u6c42\u91c7\u6837\u70b9\u65f6\u95f4\u5dee\u4e58\u4ee5\u91c7\u6837\u5468\u671f\u5c31\u53ef\u4ee5\u5f97\u5230\u5207\u6362\u65f6\u95f4 \u3002<\/p>\n
\n\t\u901a\u8fc7\u8fd9\u6837\u7684\u65b9\u5f0f\u5c06\u6781\u5927\u63d0\u5347\u4eea\u5668\u7684\u590d\u7528\u7387\uff0c\u800c\u4e0d\u9700\u8981\u989d\u5916\u793a\u6ce2\u5668\u8fdb\u884c\u6d4b\u8bd5\uff0c\u964d\u4f4e\u4e86\u6d4b\u8bd5\u6210\u672c\uff0c\u5e76\u4e14\u4e5f\u51cf\u5c11\u4e86\u4eea\u5668\u95f4\u5207\u6362\u7684\u65f6\u95f4\uff0c\u63d0\u5347\u6d4b\u8bd5\u6548\u7387\u3002<\/p>\n
\n\t![\"\u5f00\u5173\u65f6\u95f4\u3001\u8c10\u6ce2\u3001\u4e92\u8c03\u5931\u771f\u6d4b\u8bd5\u7684\u57fa\u672c\u4ecb\u7ecd\"](\"http:\/\/www.szryc.com\/uploads\/allimg\/180929\/110011O39-3.jpg\")
<\/p>\n
\n\t\u56fe10\uff1a\u57fa\u4e8e\u5411\u91cf\u7684\u6570\u5b57\u4eea\u5668\u53caVST\u7684\u5f00\u5173\u65f6\u95f4\u6d4b\u8bd5<\/p>\n
\n\t\u8c10\u6ce2Harm<\/u>onic<\/p>\n
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