{"id":162443,"date":"2020-05-18T14:23:46","date_gmt":"2020-05-18T06:23:46","guid":{"rendered":"https:\/\/www.lixiangluntan.com\/162443.html"},"modified":"2020-05-18T14:23:46","modified_gmt":"2020-05-18T06:23:46","slug":"%e6%8c%af%e5%8a%a8%e5%8d%87%e9%99%8d%e6%8c%87%e6%a0%87-asi_%e4%b8%9c%e6%96%b9%e8%b4%a2%e5%af%8c%e4%b8%93%e4%b8%9a%e7%a0%b4%e8%a7%a3%e7%89%88","status":"publish","type":"post","link":"https:\/\/www.lixiangluntan.com\/?p=162443","title":{"rendered":"\u632f\u52a8\u5347\u964d\u6307\u6807 ASI_\u4e1c\u65b9\u8d22\u5bcc\u4e13\u4e1a\u7834\u89e3\u7248"},"content":{"rendered":"
\n

\u5173\u4e8eASI\u6307\u6807<\/p>\n

\u3000\u3000\u6982\u8ff0<\/strong><\/p>\n<\/blockquote>\n

\u7092\u80a1\u6559\u7a0b<\/a>     <\/p>\n

\u3000\u3000ASI\uff08Accumulation Swing Index\uff09\u4e2d\u6587\u540d\u79f0\uff1a\u632f\u52a8\u5347\u964d<\/p>\n

\u3000\u3000\u7531 Welles Wilder\u6240\u521b\u3002ASI\u4f01\u56fe\u4ee5\u5f00\u76d8\u3001\u6700\u9ad8\u3001\u6700\u4f4e\u3001\u6536\u76d8\u4ef7\u6784\u7b51\u6210\u4e00\u6761\u5e7b\u60f3\u7ebf\uff0c\u4ee5\u4fbf\u53d6\u4ee3\u76ee\u524d\u7684\u8d70\u52bf\uff0c\u5f62\u6210\u6700\u80fd\u8868\u73b0\u5f53\u524d\u5e02\u51b5\u7684\u771f\u5b9e\u5e02\u573a\u7ebf\uff08RealMarket\uff09\u3002\u97e6\u5c14\u8fbe\u8ba4\u4e3a\u5f53\u5929\u7684\u4ea4\u6613\u4ef7\u683c\uff0c\u5e76\u4e0d\u80fd\u4ee3\u8868\u5f53\u65f6\u771f\u5b9e\u7684\u5e02\u51b5\uff0c\u771f\u5b9e\u7684\u5e02\u51b5\u5fc5\u987b\u53d6\u51b3\u4e8e\u5f53\u5929\u7684\u4ef7\u683c\uff0c\u548c\u524d\u4e00\u5929\u53ca\u6b21\u4e00\u5929\u4ef7\u683c\u95f4\u7684\u5173\u7cfb\uff0c\u4ed6\u7ecf\u8fc7\u65e0\u6570\u6b21\u7684\u6d4b\u8bd5\u4e4b\u540e\uff0c\u51b3\u5b9a\u4e86ASI\u8ba1\u7b97\u4e2d\u7684\u56e0\u5b50\uff0c\u6700\u80fd\u4ee3\u8868\u5e02\u573a\u7684\u65b9\u5411\u6027\u3002\u7531\u4e8eASI\u76f8\u5bf9\u6bd4\u5f53\u65f6\u7684\u5e02\u573a\u4ef7\u683c\u66f4\u5177\u771f\u5b9e\u6027\uff0c\u56e0\u6b64\uff0c\u5bf9\u4e8e\u80a1\u4ef7\u662f\u5426\u771f\u5b9e\u7684\u521b\u65b0\u9ad8\u6216\u65b0\u4f4e\u70b9\uff0c\u63d0\u4f9b\u4e86\u76f8\u5f53\u7cbe\u786e\u7684\u9a8c\u8bc1\uff0c\u53c8\u56e0ASI\u7cbe\u5bc6\u7684\u8fd0\u7b97\u6570\u503c\uff0c\u66f4\u4e3a\u80a1\u6c11\u63d0\u4f9b\u4e86\u5224\u65ad\u80a1\u4ef7\u662f\u5426\u771f\u5b9e\u7a81\u7834\u538b\u529b\uff0c\u6216\u652f\u6491\u7684\u4f9d\u636e\u3002<\/p>\n

\u3000\u3000ASI\u548c\u540c\u6837\u7ef4\u6301\u201cN\u201d\u5b57\u578b\u7684\u6ce2\u52a8\uff0c\u5e76\u4e14\u4e5f\u4ee5\u7a81\u7834\u6216\u8dcc\u7834\u201cN\u201d\u578b\u9ad8\u3001\u4f4e\u70b9\uff0c\u4e3a\u89c2\u5bdfASI\u7684\u4e3b\u8981\u65b9\u6cd5\u3002ASI\u4e0d\u4ec5\u63d0\u4f9b\u8fa8\u8ba4\u80a1\u4ef7\u771f\u5b9e\u4e0e\u5426\u7684\u529f\u80fd\uff1f\u53e6\u5916\u4e5f\u5177\u5907\u4e86\u201c\u505c\u635f\u201d\u7684\u4f5c\u7528\uff0c\u53ca\u65f6\u5730\u7ed9\u6295\u8d44\u4eba\u591a\u4e00\u5c42\u7684\u4fdd\u62a4\u3002<\/p>\n

\u3000\u3000\u4e00\uff0e\u7528\u9014\uff1a<\/p>\n

\u3000\u3000ASI\u548cOBV\u540c\u6837\u7ef4\u6301\u201cN\u201d\u5b57\u578b\u7684\u6ce2\u52a8\uff0c\u5e76\u4e14\u4e5f\u4ee5\u7a81\u7834\u6216\u8dcc\u7834\u201cN\u201d\u578b\u9ad8\u3001\u4f4e\u70b9\uff0c\u4e3a\u89c2\u5bdfASI\u7684\u4e3b\u8981\u65b9\u6cd5\u3002ASI\u4e0d\u4ec5\u63d0\u4f9b\u8fa8\u8ba4\u80a1\u4ef7\u771f\u5b9e\u4e0e\u5426\u7684\u529f\u80fd\uff1f\u53e6\u5916\u4e5f\u5177\u5907\u4e86\u201c\u505c\u635f\u201d\u7684\u4ecd\u7528\uff0c\u53ca\u65f6\u5730\u7ed9\u6295\u8d44\u4eba\u591a\u4e00\u5c42\u7684\u4fdd\u62a4\u3002<\/p>\n

\u3000\u3000\u4e8c\uff0e\u4f7f\u7528\u65b9\u6cd5\uff1a<\/p>\n

\u3000\u30001\uff0e\u5f53ASI\u5411\u4e0b\u8dcc\u7834\u524d\u4e00\u6b21\u4f4e\u70b9\u65f6\u4e3a\u8baf\u53f7\uff0c<\/p>\n

\u3000\u30002\uff0e\u5f53ASI\u5411\u4e0a\u7a81\u7834\u524d\u4e00\u6b21\u9ad8\u70b9\u65f6\u4e3a\u8baf\u53f7\uff0c<\/p>\n

\u3000\u30003\uff0e\u4ef7\u7531\u4e0b\u5f80\u4e0a\uff0c\u6b32\u7a7f\u8fc7\u524d\u4e00\u6ce2\u7684\u9ad8\u70b9\u5957\u7262\u533a\u65f6\uff0c\u4e8e\u63a5\u8fd1\u9ad8\u70b9\u5904\uff0c\u5c1a\u672a\u786e\u5b9a\u80fd\u5426\u987a\u5229\u7a7f\u8d8a\u4e4b\u9645\u3002\u5982\u679cASI\u9886\u5148\u80a1\u4ef7\uff0c\u63d0\u65e9\u4e00\u6b65\uff0c\u901a\u8fc7\u76f8\u5bf9\u80a1\u4ef7\u7684\u524d\u4e00\u6ce2ASI\u9ad8\u70b9\uff0c\u5219\u6b21\u4e00\u65e5\u4e4b\u540e\uff0c\u53ef\u4ee5\u786e\u5b9a\u80a1\u4ef7\u5fc5\u7136\u80fd\u987a\u5229\u7a81\u7834\u9ad8\u70b9\u5957\u7262\u533a\u3002<\/p>\n

\u3000\u30004\uff0e\u80a1\u4ef7\u7531\u4e0a\u5f80\u4e0b\uff0c\u6b32\u7a7f\u8d8a\u524d\u4e00\u6ce2\u4f4e\u70b9\u7684\u5bc6\u96c6\u652f\u6491\u533a\u65f6\uff0c\u4e8e\u63a5\u8fd1\u4f4e\u70b9\u5904\uff0c\u5c1a\u672a\u786e\u5b9a\u662f\u5426\u5c06\u56e0\u5931\u53bb\u4fe1\u5fc3\uff0c\u800c\u8dcc\u7834\u652f\u6491\u4e4b\u9645\u3002\u5982\u679cASI\u9886\u5148\u80a1\u4ef7\uff0c\u63d0\u65e9\u4e00\u6b65\uff0c\u8dcc\u7834\u76f8\u5bf9\u80a1\u4ef7\u7684\u524d\u4e00\u6ce2ASI\u4f4e\u70b9\uff0c\u5219\u6b21\u4e00\u65e5\u4e4b\u540e\uff0c\u53ef\u4ee5\u786e\u5b9a\u80a1\u4ef7\u5c06\u968f\u540e\u8dcc\u7834\u4ef7\u70b9\u652f\u6491\u533a\u3002<\/p>\n

\u3000\u30005\uff0e\u80a1\u4ef7\u8d70\u52bf\u4e00\u6ce2\u6bd4\u4e00\u6ce2\u9ad8\uff0c\u800cASI\u5374\u672a\u76f8\u5bf9\u521b\u65b0\u9ad8\u70b9\u5f62\u6210\u201c\u725b\u80cc\u79bb\u201d\u65f6\uff0c\u5e94\u5356\u51fa\u3002<\/p>\n

\u3000\u30006\uff0e\u80a1\u4ef7\u8d70\u52bf\u4e00\u6ce2\u6bd4\u4e00\u6ce2\u4f4e\uff0c\u800cASI\u5374\u672a\u76f8\u5bf9\u521b\u65b0\u4f4e\u70b9\u5f62\u6210\u201c\u718a\u80cc\u79bb\u201d\u65f6\uff0c\u5e94\u4e70\u8fdb\u3002<\/p>\n

\u3000\u3000\u4e09\uff0e\u4f7f\u7528\u5fc3\u5f97\uff1a<\/p>\n

\u3000\u30001\uff0eASI\u867d\u7136\u5177\u5907\u9886\u5148\u80a1\u4ef7\u7684\u529f\u80fd\uff0c\u4f46\u662f\uff0c\u6295\u8d44\u4eba\u6839\u636e\u7a81\u7834\u8baf\u53f7\u65e9\u4e00\u6b65\u4e70\u8fdb\u6216\u5356\u51fa\u540e\uff0cASI\u5374\u65e0\u6cd5\u63d0\u4f9b\u4f55\u65f6\u5e94\u83b7\u5229\uff0c\u4f55\u65f6\u5e94\u91cd\u65b0\u4e70\u56de\u7684\u8baf\u53f7\u3002\u6709\u65f6ASI\u5411\u4e0a\u6216\u5411\u4e0b\u7a81\u7834\u538b\u529b\u548c\u652f\u6491\u540e\uff0c\u4ec5\u4e00\u5929\u65f6\u95f4\u7acb\u523b\u56de\u8dcc\u6216\u56de\u5347\uff0c\u6295\u8d44\u4eba\u5982\u679c\u53cd\u5e94\u4e0d\u53ca\uff0c\u4e0d\u4f46\u65e0\u6cd5\u83b7\u5f97\u5229\u6da6\uff0c\u53cd\u800c\u5c06\u906d\u81f3\u635f\u5931\u3002\u6240\u4ee5\uff0c\u8be5\u6307\u6807\u4e3b\u8981\u662f\u505a\u4e3a\u72d9\u51fb\u6027\u7684\u4e70\u5165\u8baf\u53f7\uff0c\u6295\u8d44\u4eba\u5e94\u62b1\u7740\u201c\u6253\u4e86\u5c31\u8dd1\u201d\u7684\u5fc3\u7406\u3002<\/p>\n

\u3000\u30002\uff0eASI\u5927\u90e8\u5206\u65f6\u673a\u90fd\u662f\u548c\u80a1\u4ef7\u8d70\u52bf\u540c\u6b65\u7684\uff0c\u6295\u8d44\u4eba\u4ec5\u80fd\u4ece\u4f17\u591a\u4e2d\uff0c\u5bfb\u627e\u5c11\u6570\u4ea7\u751f\u9886\u5148\u7a81\u7834\u7684\u4e2a\u6848\uff0c\u56e0\u6b64\uff0cASI\u4f3c\u4e4e\u65e0\u6cd5\u7ecf\u5e38\u6027\u8fd0\u7528\uff0c\u4f46\u662f\u7531\u4e8e\u4e0a\u5e02\u516c\u53f8\u6709\u6570\u767e\u5bb6\uff0c\u8baf\u53f7\u4f1a\u8f6e\u6d41\u53d1\u751f\u5728\u4e0d\u540c\u7684\u4e2a\u80a1\u4e0a\uff0c\u5404\u4f4d\u8bfb\u8005\u53ea\u8981\u628a\u63e1\u201c\u6253\u5b8c\u4e00\u53ea\uff0c\u518d\u6362\u53e6\u4e00\u53ea\u201d\u7684\u6280\u5de7\uff0c\u968f\u65f6\u90fd\u4f1a\u6709\u65b0\u4ea7\u751f\u8baf\u53f7\u7684\u4e2a\u80a1\u8ba9\u60a8\u5927\u663e\u8eab\u624b\u3002<\/p>\n

\u3000\u3000\u56db\uff0e\u8ba1\u7b97\u516c\u5f0f\uff1a<\/p>\n

\u3000\u30001\u3001 A=\u5f53\u5929\u6700\u9ad8\u4ef7\u2014\u524d\u4e00\u5929\u6536\u76d8\u4ef7<\/p>\n

\u3000\u3000B=\u5f53\u5929\u6700\u4f4e\u4ef7\u2014\u524d\u4e00\u5929\u6536\u76d8\u4ef7<\/p>\n

\u3000\u3000C=\u5f53\u5929\u6700\u9ad8\u4ef7\u2014\u524d\u4e00\u5929\u6700\u4f4e\u4ef7<\/p>\n

\u3000\u3000D=\u524d\u4e00\u5929\u6536\u76d8\u4ef7\u2014\u524d\u4e00\u5929\u5f00\u76d8\u4ef7<\/p>\n

\u3000\u3000A\u3001B\u3001C\u3001D\u7686\u91c7\u7528\u7edd\u5bf9\u503c<\/p>\n

\u3000\u30002\u3001 E=\u5f53\u5929\u6536\u76d8\u4ef7\u2014\u524d\u4e00\u5929\u6536\u76d8\u4ef7<\/p>\n

\u3000\u3000F=\u5f53\u5929\u6536\u76d8\u4ef7\u2014\u5f53\u5929\u5f00\u76d8\u4ef7<\/p>\n

\u3000\u3000G=\u524d\u4e00\u5929\u6536\u76d8\u4ef7\u2014\u524d\u4e00\u5929\u5f00\u76d8\u4ef7<\/p>\n

\u3000\u3000E\u3001F\u3001G\u91c7\u7528\u5176\u00b1\u5dee\u503c<\/p>\n

\u3000\u30003\u3001 X=E+1\/2F+G<\/p>\n

\u3000\u30004\u3001 K=\u6bd4\u8f83A\u3001B\u4e8c\u6570\u503c\uff0c\u9009\u51fa\u5176\u4e2d\u6700\u5927\u503c<\/p>\n

\u3000\u30005\u3001 \u6bd4\u8f83A\u3001B\u3001C\u4e09\u6570\u503c\uff1a<\/p>\n

\u3000\u3000\u82e5A\u6700\u5927\uff0c\u5219R=A+1\/2B+1\/4D<\/p>\n

\u3000\u3000\u82e5B\u6700\u5927\uff0c\u5219R=B+1\/2A+1\/4D<\/p>\n

\u3000\u3000\u82e5C\u6700\u5927\uff0c\u5219R=C+1\/4D<\/p>\n

\u3000\u30006\u3001 L=3<\/p>\n

\u3000\u30007\u3001 SI=50*X\/R*K\/L<\/p>\n

\u3000\u30008\u3001 ASI=\u7d2f\u8ba1\u6bcf\u65e5\u4e4bSI\u503c<\/p>\n

\u3000\u30001. =Aerospace Studies Institute \uff08\u7f8e\u56fd\uff09\uff08\u7a7a\u519b\uff09\u822a\u7a7a\u7814\u7a76\u6240<\/p>\n

\u3000\u30002. =American Society of Indexers \u7f8e\u56fd\u7d22\u5f15\u7f16\u5236\u4eba\u5458\u5b66\u4f1a<\/p>\n

\u3000\u30003. =American Statistics Index \u300a\u7f8e\u56fd\u7edf\u8ba1\u5b66\u7d22\u5f15\u300b\uff08\u671f\u520a\u540d\u79f0\uff09<\/p>\n

\u3000\u3000\u5f02\u6b65\u4e32\u884c\u63a5\u53e3<\/p>\n

\u3000\u3000\u5728\u76ee\u524d\u7684DVB-C\u5e7f\u64ad\u7535\u89c6\u7cfb\u7edf\u7684\u4f20\u8f93\u63a5\u53e3\u4e2d\uff0c\u6709\u4e24\u79cdMPEG-2\u89c6\u9891\u4f20\u8f93\u63a5\u53e3\u6807\u51c6\uff1a\u5f02\u6b65\u4e32\u884c\u63a5\u53e3\u6807\u51c6 ASI\u548c\u540c\u6b65\u5e76\u884c\u63a5\u53e3SPI\u3002SPI\u4e00\u5171\u670911\u4f4d\u6709\u7528\u4fe1\u53f7\uff0c\u6bcf\u4f4d\u4fe1\u53f7\u5dee\u5206\u6210\u4e24\u4e2a\u4fe1\u53f7\u7528\u6765\u63d0\u9ad8\u4f20\u8f93\u6297\u5e72\u6270\u6027\uff0c\u5728\u7269\u7406\u94fe\u63a5\u4e0a\u7528DB25\u4f20\u8f93\uff0c\u56e0\u6b64\u8fde\u7ebf\u591a\u4e14\u590d\u6742\uff0c\u4f20\u8f93\u8ddd\u79bb\u77ed\uff0c\u5bb9\u6613\u51fa\u73b0\u6545\u969c\u3002\u4f46SPI\u662f\u5e76\u884c11\u4f4d\u4fe1\u53f7\uff0c\u5904\u7406\u7b80\u5355\u4e14\u6269\u5c55\u6027\u5f3a\uff0c\u56e0\u6b64\u76ee\u524d\u4e00\u822c\u7684MPEG-2\u89c6\u9891\u7f16\u7801\u5668\u7684\u8f93\u51fa\u548c\u89c6\u9891***\u7684\u8f93\u5165\u90fd\u662f\u6807\u51c6\u7684\u5e76\u884c11\u4f4d\u4fe1\u53f7\u3002ASI\u7528\u4e32\u884c\u4f20\u8f93\uff0c\u53ea\u9700\u4e00\u6839\u540c\u8f74\u7535\u7f06\u7ebf\u4f20\u8f93\uff0c\u8fde\u7ebf\u7b80\u5355\uff0c\u4f20\u8f93\u8ddd\u79bb\u957f\u3002\u6839\u636eSPI\u548cASI\u7684\u4f18\u7f3a\u70b9\uff0c\u9700\u8981\u4f20\u8f93\u4fe1\u53f7\u7684SPI\u548cASI\u7684\u4e92\u76f8\u8f6c\u6362\u3002<\/p>\n

\u3000\u30001 SPI\u4fe1\u53f7\u7ed3\u6784<\/p>\n

\u3000\u3000\u5e76\u884c\u4f20\u8f93\u7cfb\u7edfSPI\u5305\u62ec\u4e00\u4f4d\u65f6\u949f\u4fe1\u53f7\u30018\u4f4d\u6570\u636e\u4fe1\u53f7\u3001\u4e00\u4f4d\u5e27\u540c\u6b65\u4fe1\u53f7NC\u548c\u4e00\u4f4d\u6570\u636e\u6709\u6548\u4fe1\u53f7DVALID\u3002\u5e27\u540c\u6b65\u4fe1\u53f7\u5bf9\u5e94TS\u5305\u7684\u540c\u6b65\u5b57\u8282047H\uff0cDVALID\u4fe1\u53f7\u7528\u6765\u533a\u5206TS\u5305\u7684\u957f\u5ea6\u4e3a188\u4e2a\u5b57\u8282\u6216204\u4e2a\u5b57\u8282\u3002\u5f53TS\u5305\u957f\u4e3a188\u5b57\u8282\u65f6\uff0cDVALID\u4fe1\u53f7\u4e00\u76f4\u4e3a\u9ad8\uff0c\u540c\u65f6\u6240\u6709\u4fe1\u53f7\u90fd\u4e0e\u65f6\u949f\u4fe1\u53f7\u4fdd\u6301\u540c\u6b65\u3002<\/p>\n

\u3000\u30002 ASI\u63a5\u53e3<\/p>\n

\u3000\u3000ASI\u4f20\u8f93\u6d41\u53ef\u4ee5\u6709\u4e0d\u540c\u6570\u636e\u901f\u7387\uff0c\u4f46\u4f20\u8f93\u901f\u7387\u6052\u5b9a\uff0c\u4e3a270Mbps\uff0c\u56e0\u6b64ASI\u53ef\u4ee5\u53d1\u9001\u548c\u63a5\u6536\u4e0d\u540c\u901f\u7387\u7684MPEG-2\u6570\u636e\u3002ASI\u4f20\u8f93\u7cfb\u7edf\u4e3a\u5206\u5c42\u7ed3\u6784\u3002\u6700\u9ad8\u5c42\u3001\u7b2c2\u5c42\u4f7f\u7528MPEG-2\u6807\u51c6ISO\/IEC 13818-\uff08Systems\uff09\uff0c\u7b2c0\u5c42\u548c\u7b2c1\u5c42\u662f\u57fa\u4e8eISO\/IEO CD 14165-1\u7684FC\u7ea4\u7ef4\u4fe1\u9053\u3002FC\u652f\u6301\u591a\u79cd\u7269\u7406\u4f20\u8f93\u5a92\u4ecb\u3002<\/p>\n

\u3000\u3000\u9996\u5148\u5c06\u5305\u540c\u6b65\u7684MPEG-2\u4f20\u9001\u5305\u76848\uff0dbit\u7801\u5b57\u8f6c\u6362\u621010\uff0dbit\u7801\u5b57\uff1b\u63a5\u7740\u5728\u5e76\uff0f\u4e32\u8f6c\u6362\u65f6\uff0c\u5f53\u8981\u6c42\u8f93\u5165\u4e00\u4e2a\u65b0\u5b57\u3001\u800c\u6570\u636e\u6e90\u8fd8\u6ca1\u6709\u51c6\u5907\u597d\u65f6\uff0c\u5e94\u63d2\u5165\u4e00\u4e2aK28.5\u7684\u540c\u6b65\u5b57\uff0c\u4ee5\u8fbe\u5230ASI\u7684\u56fa\u5b9a270Mbps\u4f20\u8f93\u901f\u7387\u3002\u6240\u5f62\u6210\u7684\u4e32\u884c\u6bd4\u7279\u6d41\u5c06\u901a\u8fc7\u7f13\u51b2\uff0f\u9a71\u52a8\u7535\u8def\u548c\u8026\u5408\u7f51\u7edc\uff0c\u9001\u5230\u540c\u8f74\u7535\u7f06\u8fde\u63a5\u5668\u4e0a\u3002\u63d2\u5165\u540c\u6b65\u7801\u5b57\u53ef\u4ee5\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4f20\u8f93\u7801\u6d41\u7684\u5355\u4e2a\u5b57\u8282\u524d\u540e\u4e0d\u80fd\u90fd\u662f\u540c\u6b65\u5b57\uff1b\u4f20\u8f93\u7801\u6d41\u7684\u5355\u4e2a\u5b57\u8282\u524d\u540e\u5fc5\u987b\u90fd\u662f\u540c\u6b65\u5b57\uff1b\u6216\u8005\u662f\u4e24\u8005\u7684\u7ec4\u5408\u3002<\/p>\n

\u3000\u3000\u5230\u8fbe\u540c\u8f74\u7535\u7f06\u7684\u63a5\u6536\u6570\u636e\uff0c\u9996\u5148\u8981\u7ecf\u8fc7\u8fde\u63a5\u5668\u548c\u8026\u5408\u7f51\u7edc\u8026\u5408\u5230\u6062\u590d\u65f6\u949f\u548c\u6570\u636e\u7684\u7535\u8def\u4e0a\uff0c\u7136\u540e\u8fdb\u884c\u4e32\uff0f\u5e76\u53d8\u6362\uff1b\u4e3a\u4e86\u6062\u590d\u5b57\u8282\u540c\u6b65\uff0cASI***\u5fc5\u987b\u5148\u641c\u5bfb\u5230K28.5\u540c\u6b65\u5b57\uff0c\u4e00\u65e6\u641c\u7d22\u5230\u8be5\u540c\u6b65\u5b57\uff0c\u5373\u4e3a\u968f\u540e\u63a5\u6536\u7684\u6570\u636e\u6807\u5b9a\u4e86\u8fb9\u754c\uff0c\u4ece\u800c\u5efa\u7acb\u4e86***\u8f93\u51fa\u5b57\u8282\u7684\u6b63\u786e\u5b57\u8282\u6392\u5217\uff1b\u6700\u540e\u8fdb\u884c10\/8\uff0dbit\u53d8\u6362\uff0c\u6062\u590d\u51fa\u5305\u540c\u6b65\u7684MPEG-2 TS\u7801\u6d41\u6570\u636e\u3002\u4f46\u662fK28.5\u540c\u6b65\u5b57\u4e0d\u662f\u6709\u6548\u6570\u636e\uff0c\u56e0\u6b64\u89e3\u7801\u65f6\u5fc5\u987b\u5220\u9664\u3002<\/p>\n

\u3000\u30003 ASI\u63a5\u53e3\u5b9e\u73b0\u65b9\u6848<\/p>\n

\u3000\u3000\u5728\u672c\u65b9\u6848\u4e2d\uff0cMPEG-2 TS\u7801\u6d41\u7531\u5355\u7247MPEG-2\u7f16\u7801\u5668MB86390\u63d0\u4f9b\uff0c\u5b83\u8f93\u51fa\u7b26\u5408SPI\u6807\u51c6\u7684\u5e76\u884c11\u4f4d\u4fe1\u53f7\uff0cTS\u5305\u957f\u5ea6\u4e3a188\u4e2a\u5b57\u8282\u3002\u5728SPI\uff0fASI\u8f6c\u6362\u65b9\u6848\u4e2d\uff0c\u4e3b\u8981\u9009\u7528CYPRESS\u516c\u53f8cyb923\uff0fcyb933\u82af\u7247\u3001\u5f02\u6b65FIFO\u548c\u903b\u8f91\u7f16\u7a0b\u5668CPLD\u5b9e\u73b0\u3002<\/p>\n

\u3000\u3000cyb923\u4e3b\u8981\u5b9e\u73b0\u7801\u5b57\u76848\/10bit\u8f6c\u6362\u3001\u63d2\u5165\u540c\u6b65\u5b57K28.5\u548c\u5e76\uff0f\u4e32\u53d8\u6362\u3002ASI\u7684\u4f20\u8f93\u901f\u7387\u6052\u5b9a\u4e3a270MHz\uff0c\u800c\u8f93\u5165MPEG-2 TS\u7801\u7387\u662f\u4e0d\u540c\u7684\uff0c\u6240\u4ee5\u8981\u7528FIFO\u5b9e\u73b0\u901f\u7387\u5339\u914d\uff0c\u9700\u8981\u5bf9\u8f93\u5165\u7684SPI\u6570\u636e\u3001FIFO\u548ccyb923\u4e4b\u95f4\u7684\u901a\u4fe1\u8fdb\u884c\u903b\u8f91\u63a7\u5236\u3002\u7efc\u5408\u6027\u80fd\u3001\u4ef7\u683c\u548c\u7a0b\u5e8f\u590d\u6742\u5ea6\u7684\u8003\u8651\uff0c\u672c\u65b9\u6848\u91c7\u7528xilinx\u516c\u53f8\u7684CPLD\u903b\u8f91\u7f16\u7a0b\u5668XC95108;\u7528VHDL\u7f16\u7a0b\u5b9e\u73b0\u5bf9\u5b83\u4eec\u7684\u903b\u8f91\u63a7\u5236\u3002ASI\u7684\u89e3\u7801\u4e5f\u662f\u76f8\u4f3c\u7684\u8fc7\u7a0b\uff0ccyb933\u4e3b\u8981\u5b9e\u73b010\/8bit\u8f6c\u6362\u3001\u53bb\u9664\u540c\u6b65\u5b57K28.5\u548c\u4e32\u5e76\u53d8\u6362\u3002<\/p>\n

\u3000\u30003.1 ASI\u7f16\u7801<\/p>\n

\u3000\u3000\u5728ASI\u7684\u7f16\u7801\u8fc7\u7a0b\u4e2d\uff0c\u53ea\u9700\u5c06MPEG-2 TS\u7684\u516b\u4f4d\u6570\u636e\u548c\u4e00\u4f4dTS\u7801\u7387\u4f20\u8f93\u65f6\u949f\u8f93\u5165\u5230CPLD\u3002\u56e0\u4e3a\u5728\u672c\u65b9\u6848\u4e2d\uff0cTS\u683c\u5f0f\u4e3a188\u4e2a\u5b57\u8282\uff0c\u56e0\u6b64\u6570\u636e\u6709\u6548\u4fe1\u53f7DVALID\u4e00\u76f4\u4e3a\u9ad8\uff0cCPLD\u5ffd\u7565\u8fd9\u4e2a\u4fe1\u53f7\uff0c\u53ea\u7ba1\u63a5\u6536TS\u7801\u6d41\u6570\u636e\uff0c\u800c\u4e0d\u7528\u5173\u5fc3TS\u7801\u6d41\u7684\u540c\u6b65\u5934\u3002PSYNC\u5e27\u540c\u6b65\u4fe1\u53f7\u4e5f\u4e00\u6837\u5ffd\u7565\u3002CPLD\u5c06\u63a5\u6536\u5230\u7684\u6570\u636e\u4ee5TS\u7801\u7387\u65f6\u949f\u5199\u5165FIFO\u3002\u5f53FIFO\u534a\u6ee1\u65f6\uff0cCPLD\u63a5\u6536\u5230FIFO\u7684\u534a\u6ee1\u4fe1\u53f7\uff0c\u7136\u540eCPLD\u7ed9cyb923\u53d1FIFO\u53ef\u8bfb\u4fe1\u53f7\uff0ccyb923\u4ee527Mbps\u8bfb\u53d6FIFO\u4e2d\u7684\u6570\u636e\uff1b\u5f53CPLD\u8ba1\u6570\u5230cyb923\u8bfb\u53d6\u4e86\u4e00\u5b9a\u6570\u91cf\u7684FIFO\u6570\u636e\uff0cCPLD\u5219\u5411cyb923\u53d1\u9001FIFO\u4e0d\u53ef\u8bfb\u4fe1\u53f7\uff0c\u9632\u6b62FIFO\u8bfb\u7a7a\u3002MPEG-2\u4f20\u8f93\u7801\u7387\u7684\u5e76\u884c\u6700\u5927\u901f\u5ea6\u4e3a27\/8\uff1d3.375Mbps\uff0c\u800c\u8bfbFIFO\u901f\u7387\u4e3a27Mbps\uff0c\u56e0\u6b64FIFO\u4e0d\u4f1a\u6709\u6ea2\u51fa\u3002\u8003\u8651\u5230\u5ef6\u65f6\uff0c\u672c\u65b9\u6848\u9009\u7528\u8f83\u5c0f\u5bb9\u91cf\u7684FIFO7202\u3002cyb923\u5728FIFO\u4e0d\u53ef\u8bfb\u65f6\uff0c\u5411ASI\u7801\u6d41\u4e2d\u586b\u5145K28.5\u4ee5\u7ef4\u6301270Mbps\u7684\u56fa\u5b9a\u4f20\u8f93\u901f\u7387\u3002\u6700\u540e\u4e32\u884c\u6570\u636e\u7ecf\u8fc7\u9a71\u52a8\u5c31\u53ef\u7528\u540c\u8f74\u7535\u7f06\u4f20\u9001\u51fa\u53bb\u3002\u672c\u65b9\u6848\u4e2d\uff0c\u540c\u6b65\u5b57K28.5\u7684\u63d2\u5165\u91c7\u7528\u4f20\u8f93\u7801\u6d41\u7684\u5355\u4e2a\u5b57\u8282\u524d\u540e\u4e0d\u80fd\u90fd\u662fK28.5\u540c\u6b65\u5b57\u7684\u65b9\u5f0f\u3002\u8fd9\u79cd\u65b9\u6848\u76f8\u5bf9\u5176\u5b83\u4e24\u79cd\u65b9\u6848\u6765\u8bf4\uff0c\u5224\u65ad\u548c\u5904\u7406\u90fd\u76f8\u5bf9\u7b80\u5355\u3002<\/p>\n

\u3000\u30003.2 ASI\u89e3\u7801<\/p>\n

\u3000\u3000\u5728ASI\u7684\u63a5\u6536\u7aef\uff0c\u8f93\u5165\u7684ASI\u7801\u6d41\u7ecf\u8fc7\u5747\u8861\u540e\uff0c\u8f93\u5165\u5230cyb933\u82af\u7247\u3002\u5b83\u7531\u5185\u90e8\u7684\u65f6\u949f\u9501\u76f8\u73af\u9996\u5148\u9501\u5b9aASI\u7801\u6d41\u65f6\u949f\uff0c\u68c0\u6d4b\u540c\u6b65\u5b57K28.5\uff1b\u627e\u5230\u540e\u5373\u786e\u5b9a\u4e86ASI\u6bd4\u7279\u6d41\u987a\u5e8f\uff0c\u7136\u540e\u8fdb\u884c\u4e32\uff0f\u5e76\u8f6c\u6362\u3002<\/p>\n

\u3000\u3000\u7531\u6b64\u53ef\u77e5\uff0c\u68c0\u6d4b\u5230K28.5\uff0c\u5373\u5b57\u8282\u5bf9\u9f50\u662fASI\u89e3\u7801\u7684\u91cd\u8981\u524d\u63d0\uff0c\u7531\u6b64cyb933\u5b9a\u4e49\u4e86\u4e00\u5957\u68c0\u6d4b\u5b57\u8282\u540c\u6b65\u7684\u65b9\u6cd5\u3002\u8003\u8651\u5230\u4f20\u8f93\u8bef\u7801\u7b49\u539f\u56e0\u53ef\u80fd\u9020\u6210\u5047K28.5\uff0c\u56e0\u6b64cyb933\u91c7\u7528\u53cc\u5b57\u8282\u786e\u8ba4\u65b9\u6cd5\u3002\u5373\u8fde\u7eed\u4e24\u4e2a\u5b57\u8282\u90fd\u662fK28.5\uff0c\u624d\u786e\u8ba4\u5b57\u8282\u540c\u6b65\u4e86\uff0c\u63a5\u7740\u8fdb\u5165\u6b63\u5e38\u7684\u5355\u5b57\u8282\u89e3\u7801\u72b6\u6001\u3002\u5728\u89e3\u7801\u72b6\u6001\uff0c\u5982\u679c\u572864\u4e2a\u89e3\u7801\u5b57\u8282\u4e2d\uff0cCPLD\u8ba1\u6570\u5230\u670916\u4e2a\u5b57\u8282\u662f\u9519\u8bef\u7684\uff0c\u5219CPLD\u5fc5\u987b\u5411cyb933\u53d1\u9001\u4fe1\u606f\uff0c\u8981\u6c42cyb933\u91cd\u65b0\u8fdb\u884c\u5b57\u8282\u540c\u6b65\u3002<\/p>\n

\u3000\u3000\u5b57\u8282\u540c\u6b65\u540e\uff0c\u56e0\u4e3aK28.5\u662fcyb923\u63d2\u5165\u7684\u540c\u6b65\u5b57\u8282\uff0c\u4e0d\u80fd\u4f5c\u4e3a\u6709\u6548\u6570\u636e\u8f93\u51fa\uff0ccyb933\u81ea\u52a8\u7565\u9664\u8fd9\u4e9b\u540c\u6b65\u5b57\u8282\u3002\u5f53cyb933\u68c0\u6d4b\u5230\u6709\u6548\u6570\u636e\u65f6\uff0ccyb933\u5c06\u8f93\u51fa\u4e00\u4f4d\u5f53\u524d\u6570\u636e\u6709\u6548\u7684\u6307\u793a\uff0c\u5982\u679c\u628a\u8fd9\u4e2a\u4fe1\u53f7\u5f53\u4f5cFIFO\u7684\u5199\u6709\u6548\uff0c\u5219FIFO\u4e2d\u7684\u6570\u636e\u4e00\u5b9a\u90fd\u662f\u6709\u6548\u6570\u636e\u4e86\u3002\u5f53FIFO\u534a\u6ee1\u65f6\uff0cCPLD\u63a5\u6536FIFO\u7684\u534a\u6ee1\u4fe1\u53f7\u540e\uff0cCPLD\u8bfb\u53d6FIFO\u4e2d\u7684\u6570\u636e\uff0c\u5e76\u6839\u636e\u8bfb\u51fa\u7684\u5b57\u8282\u662f\u5426\u662f047H\u6765\u786e\u5b9aTS\u5305\u7684\u540c\u6b65\u5b57\u8282\uff1b\u5982\u679c\u627e\u5230TS\u5305\u540c\u6b65\u5b57\uff0c\u5c06\u6062\u590d\u5bf9\u5e94\u7684\u5e27\u540c\u6b65\u4fe1\u53f7\uff0c\u6b64\u65f6CPLD\u8ba1\u6570188\u6062\u590d\u51fa\u5b8c\u6574\u7684TS\u5305\uff0c\u63a5\u4e0b\u6765\u7684\u5b57\u8282\u5982\u679c\u4e0d\u662f047H\uff0c\u8bf4\u660e\u8f93\u5165\u6570\u636e\u6709\u8bef\uff0cCPLD\u5c06\u4e22\u5f03\u8fd9\u4e9b\u6570\u636e\u76f4\u5230\u627e\u5230047H\u540c\u6b65\u5b57\uff0c\u5728\u6b64\u671f\u95f4CPLD\u8f93\u51faTS\u7a7a\u5305\u3002\u91cd\u65b0\u5305\u540c\u6b65\u540e\uff0cCPLD\u624d\u53c8\u5f00\u59cb\u8ba1\u6570\u8f93\u51fa\u6b63\u786e\u7684188\u5b57\u8282\u7684MPEG-2 TS\u5305\uff0c\u4ece\u800c\u6062\u590d\u51faSPI\u6b63\u786e\u768411\u4f4d\u4fe1\u53f7\u3002\u540c\u6837\uff0c\u5f53FIFO\u6570\u636e\u4e0d\u53ef\u8bfb\u65f6\uff0cCPLD\u4e5f\u8f93\u51faTS\u7a7a\u5305\uff0c\u4ee5\u7ef4\u6301\u8f93\u51fa\u7684MPEG-2\u7801\u7387\u6052\u5b9a\u3002<\/p>\n

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ASI\u6307\u6807\u7b80\u4ecb\u53ca\u4f7f\u7528\u65b9\u6cd5<\/p>\n

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