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\n

I. \u5f15\u8a00<\/p>\n

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\n

II. \u7cfb\u7edf\u6a21\u578b\u4e0e\u539f\u578b<\/p>\n

\u6211\u4eec\u8003\u8651\u4e00\u4e2a VLC \u7cfb\u7edf，\u5176\u4e2d\u7a7a\u95f4\u5206\u5e03\u7684\u5149\u53d1\u5c04\u5143\u4ef6\u4f5c\u4e3a\u53d1\u5c04\u5668，\u57fa\u4e8e\u4e8b\u4ef6\u7684\u89c6\u89c9\u4f20\u611f\u5668\u4f5c\u4e3a\u63a5\u6536\u5668\u3002\u53d1\u5c04\u5668\u5305\u542b\u4e00\u4e2a\u6216\u591a\u4e2a LED \u9762\u677f，\u6bcf\u4e2a\u9762\u677f\u5305\u542b\u591a\u4e2a\u53ef\u72ec\u7acb\u63a7\u5236\u7684 LED\u3002\u8bbe \u2112 \u4e3a\u6240\u6709\u9762\u677f\u4e0a\u6240\u6709 LED \u7684\u96c6\u5408，|\u2112| = L\u3002\u6bcf\u4e2a LED \u2113 \u2208 \u2112 \u7531\u5f00\/\u5173\u63a7\u5236\u4fe1\u53f7\u9a71\u52a8，\u4ee5\u4ea7\u751f\u53ef\u88ab\u63a5\u6536\u5668\u68c0\u6d4b\u5230\u7684\u4eae\u5ea6\u8f6c\u6362\u3002\u4e3a\u5177\u4f53\u8bf4\u660e，\u6211\u4eec\u4f7f\u7528\u5982\u56fe 1(a) \u6240\u793a\u7684\u539f\u578b\u5b9e\u4f8b\u5316\u8be5\u6a21\u578b\u3002\u539f\u578b\u7531\u4e00\u4e2a LED \u9762\u677f\u53d1\u5c04\u5668\u548c\u4e00\u4e2a\u4e8b\u4ef6\u76f8\u673a\u63a5\u6536\u5668\u7ec4\u6210\u3002\u9762\u677f\u5305\u542b 8 \u4e2a\u72ec\u7acb\u5bfb\u5740\u7684 LED，\u6392\u5217\u6210 2\u00d74 \u7f51\u683c\u3002\u63a5\u6536\u5668\u4e3a LUCID Triton2 EVS \u4e8b\u4ef6\u76f8\u673a，\u5728\u89c6\u8ddd\u6761\u4ef6\u4e0b\u6b63\u5bf9\u9762\u677f\u653e\u7f6e\u3002\u4e8b\u4ef6\u76f8\u673a\u62a5\u544a\u7531 LED \u5f00\u5173\u5f15\u8d77\u7684\u5f02\u6b65\u4eae\u5ea6\u53d8\u5316，\u5e26\u6709\u5fae\u79d2\u7ea7\u65f6\u95f4\u6233\u3002\u5c3d\u7ba1\u5177\u6709\u9ad8\u65f6\u95f4\u5206\u8fa8\u7387，\u4e8b\u4ef6\u76f8\u673a\u5b58\u5728\u975e\u7406\u60f3\u7279\u6027，\u5305\u62ec\u50cf\u7d20\u524d\u7aef\u52a8\u6001\u3001\u975e\u77ac\u65f6\u54cd\u5e94\u3001\u62d6\u5c3e\u6548\u5e94\u3001\u8bfb\u51fa\u5ef6\u8fdf\u548c\u4e0d\u5e94\u671f\u884c\u4e3a，\u5bfc\u81f4\u65f6\u95f4\u6233\u4e0d\u4e00\u81f4\u6027 [12]\u3002\u9075\u5faa [12] \u4e2d\u7684\u7f13\u89e3\u7b56\u7565，\u6211\u4eec\u907f\u514d\u4f9d\u8d56\u5355\u50cf\u7d20\u54cd\u5e94，\u800c\u662f\u5c06\u6bcf\u4e2a LED \u7684\u5c0f\u533a\u57df\u5185\u7684\u50cf\u7d20\u4e8b\u4ef6\u805a\u5408\u3002\u5177\u4f53\u5730，\u6211\u4eec\u4e3a\u6bcf\u4e2a LED \u5b9a\u4e49\u4e00\u4e2a\u4ee5\u5176\u6807\u79f0\u56fe\u50cf\u4f4d\u7f6e\u4e3a\u4e2d\u5fc3\u7684 9\u00d79 \u50cf\u7d20\u7a97\u53e3，\u5e76\u5c06\u8be5 ROI \u7528\u4e8e\u4e8b\u4ef6\u805a\u5408\u548c\u68c0\u6d4b（\u5982\u56fe 1(c) \u4e2d\u7684\u6df1\u8272\u65b9\u5757\u6240\u793a）\u3002ROI \u4f4d\u7f6e\u548c LED \u7d22\u5f15\u5728\u901a\u8fc7\u7b2c III-B \u8282\u6240\u8ff0\u7684\u5b9a\u4f4d\u8fc7\u7a0b\u68c0\u6d4b\u8bbe\u5907\u540e\u786e\u5b9a\u3002<\/p>\n

<\/p>\n

\u56fe 1\u00a0\u6d4b\u8bd5\u5e73\u53f0：（a）\u6574\u4f53\u7cfb\u7edf\u8fd0\u884c\u4e2d；（b）\u53cc\u7528\u6237\u573a\u666f（\u5de6\u4fa7 UE1，\u53f3\u4fa7 UE2）；（c）\u4e8b\u4ef6\u76f8\u673a\u6355\u83b7\u7684\u79bb\u7126 LED \u89c2\u6d4b\u793a\u4f8b\u3002\u6bcf\u4e2a LED \u4e2d\u5fc3\u5468\u56f4\u9009\u62e9 9\u00d79 \u50cf\u7d20 ROI \u4ee5\u8fdb\u884c\u9c81\u68d2\u4e8b\u4ef6\u68c0\u6d4b\u3002<\/p>\n

\u7cfb\u7edf\u652f\u6301 U \u4e2a\u5f02\u6b65\u8fd0\u884c\u7684\u7528\u6237\u3002\u7528\u6237 u \u2208 {1, 2, \u2026, U} \u88ab\u5206\u914d\u4e13\u7528\u7684 LED \u5b50\u96c6 \u2112_u \u2286 \u2112，\u4e14\u5404\u5b50\u96c6\u4e0d\u76f8\u4ea4，\u5373 \u2112_u \u2229 \u2112_v = \u2205，\u2200 u \u2260 v\u3002\u8fd9\u79cd\u7a7a\u95f4\u5212\u5206\u6a21\u62df\u4e86\u5b9e\u9645\u90e8\u7f72\u4e2d\u7528\u6237\u4ece\u7a7a\u95f4\u4e0d\u540c\u6e90\u53d1\u5c04\u7684\u573a\u666f\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f，\u6211\u4eec\u7684\u539f\u578b\u4ee3\u8868\u4e86\u4e00\u79cd\u4fdd\u5b88（\u6700\u574f\u60c5\u51b5）\u8bbe\u7f6e，\u5176\u4e2d\u7528\u6237\u533a\u57df\u5728\u540c\u4e00\u9762\u677f\u4e0a\u76f8\u90bb，\u4ece\u800c\u6700\u5c0f\u5316\u7a7a\u95f4\u5206\u79bb\u3002\u5982\u56fe 1(b) \u6240\u793a，\u6211\u4eec\u5c06\u9762\u677f\u5212\u5206\u4e3a\u4e24\u4e2a\u533a\u57df：\u5de6\u4fa7\u56db\u4e2a LED \u5206\u914d\u7ed9\u7528\u6237 1（UE1），\u53f3\u4fa7\u56db\u4e2a LED \u5206\u914d\u7ed9\u7528\u6237 2（UE2）\u3002ECO-ID \u65e0\u9700\u4e3b\u52a8\u5bf9\u7126（\u955c\u5934\u7126\u70b9\u56fa\u5b9a\u4e3a\u65e0\u7a77\u8fdc）\u3002\u56e0\u6b64，LED \u5728\u4e8b\u4ef6\u6d41\u4e2d\u5448\u73b0\u7a7a\u95f4\u6a21\u7cca（\u56fe 1(c)）\u3002\u7ecf\u9a8c\u8868\u660e，\u4fdd\u6301\u5b8c\u7f8e\u5bf9\u7126\u5bf9 ECO-ID \u5e76\u4e0d\u5e26\u6765\u4e00\u81f4\u6027\u7684\u6027\u80fd\u63d0\u5347\u3002\u56e0\u6b64，\u7cfb\u7edf\u907f\u514d\u4e86\u81ea\u52a8\u5bf9\u7126\u5f15\u8d77\u7684\u5ef6\u8fdf\u3002<\/p>\n

\u65f6\u95f4\u79bb\u6563\u5316\u4e3a\u6301\u7eed\u65f6\u95f4\u4e3a T = 1\/f \u7684\u65f6\u9699，\u5176\u4e2d f \u4e3a LED \u5f00\u5173（\u7b26\u53f7）\u9891\u7387\u3002\u7528\u6237\u5f02\u6b65\u4f20\u8f93：\u7528\u6237 u \u5728\u4efb\u610f\u65f6\u95f4\u504f\u79fb \u03c4_u \u5f00\u59cb，\u4e0d\u540c\u7528\u6237\u53ef\u80fd\u4e0d\u540c\u3002\u8bbe x_\u2113(t) \u2208 {0,1} \u8868\u793a LED \u2113 \u5728\u65f6\u95f4 t \u7684\u77ac\u65f6\u72b6\u6001，\u5b9a\u4e49\u6d3b\u52a8 LED \u96c6\u5408\u4e3a 𝒜(t) \u225c { \u2113 \u2208 \u2112 : x_\u2113(t) = 1 }\u3002\u5f53\u591a\u7528\u6237\u5e76\u53d1\u4f20\u8f93\u65f6，\u63a5\u6536\u5230\u7684\u5149\u5b66\u56fe\u6848\u5bf9\u5e94\u5404\u7528\u6237\u6d3b\u52a8 LED \u7684\u5e76\u96c6\u3002\u7531\u4e8e\u5206\u914d\u7684 LED \u96c6\u5408\u4e0d\u76f8\u4ea4，\u5e76\u53d1\u4f20\u8f93\u5728\u5f3a\u5ea6\u4e0a\u53e0\u52a0，\u4f46\u53ef\u901a\u8fc7\u5176\u4e0e\u4e0d\u540c ROI \u7684\u7a7a\u95f4\u5173\u8054\u800c\u5206\u79bb\u3002<\/p>\n

\u63a5\u6536\u5668\u8f93\u51fa\u5f02\u6b65\u4e8b\u4ef6\u6d41 e_i = (r_i, c_i, t_i, p_i)，\u5176\u4e2d (r_i, c_i) \u4e3a\u50cf\u7d20\u4f4d\u7f6e，t_i \u4e3a\u65f6\u95f4\u6233，p_i \u2208 {+1, -1} \u4e3a\u6781\u6027（\u5bf9\u6570\u5f3a\u5ea6\u7684\u589e\u52a0\/\u51cf\u5c11）\u3002\u5bf9\u4e8e\u6bcf\u4e2a LED \u2113，\u6211\u4eec\u5b9a\u4e49 ROI \u211b_\u2113，\u5e76\u901a\u8fc7\u805a\u5408 \u211b_\u2113 \u5185\u7684\u4e8b\u4ef6\u63d0\u53d6\u6bcf\u4e2a LED \u7684\u6d3b\u52a8\u3002\u4f8b\u5982，\u533a\u95f4 [t, t+\u03b4) \u5185\u7684\u4e8b\u4ef6\u8ba1\u6570\u4e3a<\/p>\n

<\/p>\n

\u8f68\u8ff9\u96c6\u5408 { N_\u2113(\u00b7) }_{\u2113\u2208\u2112} \u6784\u6210\u63a5\u6536\u7aef\u7528\u4e8e\u540e\u7eed\u68c0\u6d4b\u548c\u89e3\u7801\u7684\u89c2\u6d4b\u3002<\/p>\n

\u4e0d\u5931\u4e00\u822c\u6027，\u6211\u4eec\u5047\u8bbe\u53d1\u5c04\u9762\u677f\u4e0e\u63a5\u6536\u5668\u4e4b\u95f4\u5b58\u5728\u89c6\u8ddd\u5149\u5b66\u4fe1\u9053\u3002\u4e8b\u4ef6\u76f8\u673a\u7684\u5f02\u6b65\u8f93\u51fa\u80fd\u591f\u5728\u5f02\u6b65\u8fd0\u884c\u4e0b\u7cbe\u786e\u4f30\u8ba1 LED \u5f00\u5173\u65f6\u523b，\u800c\u4e0d\u76f8\u4ea4\u7684 LED \u5206\u914d\u65e0\u9700\u4f20\u7edf\u591a\u5740\u63a5\u5165\u8c03\u5ea6\u5373\u53ef\u63d0\u4f9b\u53ef\u6269\u5c55\u7684\u591a\u7528\u6237\u53ef\u5206\u79bb\u6027\u3002<\/p>\n

\n

III. ECO-ID：\u591a\u7528\u6237\u8d85\u4f4e\u5ef6\u8fdf\u8bc6\u522b<\/p>\n

III-A \u6982\u8ff0<\/p>\n

ECO-ID \u5b9a\u4e49\u4e86\u4e00\u79cd\u4fe1\u4ee4\u7ed3\u6784，\u5229\u7528\u7a7a\u95f4\u5206\u79bb（\u4e0d\u76f8\u4ea4 LED \u5206\u914d）\u548c\u65f6\u95f4\u7f16\u7801（\u7528\u6237\u7279\u5b9a\u65f6\u5e8f）\u5b9e\u73b0\u65e0\u9700\u7528\u6237\u95f4\u540c\u6b65\u7684\u5e76\u53d1\u591a\u7528\u6237\u8bc6\u522b\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u7528\u6237 u，\u5206\u914d\u7684 LED \u96c6\u5408 \u2112_u \u88ab\u5212\u5206\u4e3a\u5b9a\u4f4d\u5b50\u96c6 \u2112_u^loc \u2282 \u2112_u \u548c\u4e00\u4e2a\u8bc6\u522b LED \u2113_u^id \u2208 \u2112_u \\\\ \u2112_u^loc\u3002\u5b9a\u4f4d LED \u6307\u793a\u4f20\u8f93\u8d77\u59cb，\u8bc6\u522b LED \u901a\u8fc7\u7528\u6237\u7279\u5b9a\u5ef6\u8fdf\u7f16\u7801\u7528\u6237\u8eab\u4efd\u3002\u7528\u6237 u \u5728\u65f6\u95f4 \u03c4_u \u901a\u8fc7（\u8fd1\u4f3c）\u540c\u65f6\u5207\u6362 \u2112_u^loc \u4e2d\u7684 LED \u6765\u542f\u52a8\u5176\u8bc6\u522b\u5e8f\u5217\u3002\u76f8\u5bf9\u4e8e\u6b64\u8d77\u59cb\u65f6\u523b\u5ef6\u8fdf T_ID(u) \u540e，\u7528\u6237 u \u5207\u6362 \u2113_u^id\u3002\u5269\u4f59\u65f6\u9699\u53ef\u7528\u4e8e\u5728\u6240\u9009\u8c03\u5236\u683c\u5f0f\u4e0b\u4f20\u8f93\u6709\u6548\u8f7d\u8377（\u82e5\u9700\u8981）\u3002\u5728\u63a5\u6536\u7aef，\u901a\u8fc7\u68c0\u6d4b \u2112_u^loc \u5bf9\u5e94 ROI \u4e2d\u7684\u91cd\u5408\u6d3b\u52a8\u7a81\u53d1\u6765\u4f30\u8ba1\u8d77\u59cb\u65f6\u523b，\u5f97\u5230 \\\\hat{t}_start(u)\u3002\u8bc6\u522b LED \u6fc0\u6d3b\u65f6\u95f4\u7c7b\u4f3c\u5730\u68c0\u6d4b\u4e3a \\\\hat{t}_ID(u)，\u4f30\u8ba1\u7684 ID \u5ef6\u8fdf\u4e3a<\/p>\n

<\/p>\n

\u7528\u6237\u8eab\u4efd\u901a\u8fc7\u5c06 \\\\hat{T}_ID(u) \u6620\u5c04\u5230\u9884\u5b9a\u4e49\u65f6\u5e8f\u7801\u672c\u4e2d\u7684\u6700\u8fd1\u6761\u76ee\u83b7\u5f97\u3002\u5728\u5efa\u7acb \\\\hat{t}_start(u) \u4f5c\u4e3a\u65f6\u5e8f\u53c2\u8003\u540e，\u6709\u6548\u8f7d\u8377（\u82e5\u6709）\u901a\u8fc7\u5728\u4ee5 \\\\hat{t}_start(u) \u5bf9\u9f50\u7684\u7b26\u53f7\u7a97\u53e3（\u6301\u7eed\u65f6\u95f4\u4e3a T \u6216 T \u7684\u6574\u6570\u500d）\u5185\u91c7\u6837\u6bcf LED \u6d3b\u52a8\u8f68\u8ff9 {N_\u2113(\u00b7)} \u6765\u89e3\u7801\u3002\u56e0\u6b64，ECO-ID \u901a\u8fc7\u4e0d\u76f8\u4ea4 LED \u96c6\u5408\u5b9e\u73b0\u7a7a\u95f4\u7528\u6237\u5206\u79bb，\u5e76\u901a\u8fc7\u7528\u6237\u7279\u5b9a ID \u5ef6\u8fdf\u5b9e\u73b0\u65f6\u95f4\u8eab\u4efd\u533a\u5206，\u5229\u7528\u4e8b\u4ef6\u76f8\u673a\u7684\u5fae\u79d2\u7ea7\u65f6\u95f4\u6233\u652f\u6301\u5b8c\u5168\u5f02\u6b65\u7684\u591a\u7528\u6237\u8bc6\u522b\u3002\u8bbe\u5907\u8bc6\u522b\u540e，\u53ef\u6839\u636e\u76ee\u6807\u7cfb\u7edf\u548c\u5a01\u80c1\u6a21\u578b\u7684\u9700\u8981\u6267\u884c\u9ad8\u5c42\u8ba4\u8bc1\u548c\u5bc6\u94a5\u5efa\u7acb（\u4f8b\u5982\u6807\u51c6\u7684\u56db\u6b21\u63e1\u624b）\u3002<\/p>\n

III-B \u5355\u7528\u6237\u8bc6\u522b\u534f\u8bae<\/p>\n

\u5728\u5355\u7528\u6237\u573a\u666f\u4e2d，\u4e00\u4e2a\u7528\u6237\u8bbe\u5907（UE）\u88ab\u5206\u914d LED \u9762\u677f\u4e0a\u7684\u56db\u4e2a LED\u3002\u4f20\u8f93\u6309\u6301\u7eed\u65f6\u95f4 T = 1\/f \u7684\u79bb\u6563\u65f6\u9699\u7ec4\u7ec7，\u5176\u4e2d f \u4e3a LED \u5f00\u5173（\u7b26\u53f7）\u9891\u7387\u3002UE \u4f20\u8f93\u7531\u4ee5\u4e0b\u8fde\u7eed\u9636\u6bb5\u7ec4\u6210\u7684\u8bc6\u522b\u5e27\u3002\u63a5\u6536\u5668\u4e3a\u4e8b\u4ef6\u76f8\u673a，\u901a\u8fc7\u76d1\u6d4b\u9884\u5b9a\u4e49\u7684 LED \u7279\u5b9a ROI \u5185\u7684\u4e8b\u4ef6\u6d3b\u52a8\u6765\u63a8\u65ad LED \u5f00\u5173\u65f6\u523b\u3002\u56fe 2 \u63cf\u8ff0\u4e86\u5355 UE \u8bc6\u522b\u534f\u8bae\u7684\u65f6\u5e8f\u56fe，\u5305\u62ec\u4ee5\u4e0b\u56db\u4e2a\u9636\u6bb5\u3002<\/p>\n

<\/p>\n

\u56fe 2 \u5355 UE \u8bc6\u522b\u534f\u8bae\u65f6\u5e8f\u56fe\u3002<\/p>\n

（i）\u5b9a\u4f4d\u3002\u5728\u5e27\u5f00\u59cb\u65f6，\u9884\u5b9a\u4e49\u7684\u4e09\u4e2a LED \u540c\u65f6\u5f00\u542f\u5e76\u4fdd\u6301 N_loc \u4e2a\u65f6\u9699（\u56fa\u5b9a\u8bbe\u8ba1\u53c2\u6570）\u3002\u8fd9\u4e2a\u591a LED \u524d\u5bfc\u7801\u5728\u76f8\u5e94 ROI \u4e2d\u4ea7\u751f\u91cd\u5408\u4e8b\u4ef6\u7a81\u53d1，\u4ece\u800c\u5b9e\u73b0\u9c81\u68d2\u7684\u8bbe\u5907\u68c0\u6d4b\u548c LED \u7d22\u5f15，\u65e0\u9700\u5168\u5c40\u540c\u6b65\u3002\u8bbe \\\\hat{t}_start \u4e3a\u63a5\u6536\u7aef\u4f30\u8ba1\u7684\u8d77\u59cb\u65f6\u523b\u3002<\/p>\n

（ii）\u8bc6\u522b\u3002\u5b9a\u4f4d\u4e4b\u540e，\u7b2c\u56db\u4e2a LED（\u4fdd\u7559\u7528\u4e8e\u8bc6\u522b）\u5728\u5ef6\u8fdf<\/p>\n

<\/p>\n

\u540e\u5f00\u542f，\u5176\u4e2d k \u2208 \u2124_{\\\\ge 0} \u552f\u4e00\u5730\u5b9a\u4e49\u4e00\u4e2a\u7528\u6237\u3002\u8bbe \\\\hat{t}_ID \u4e3a\u8bc6\u522b LED \u7684\u68c0\u6d4b\u6fc0\u6d3b\u65f6\u95f4\u3002\u89e3\u7801\u7684\u65f6\u5e8f\u7801\u901a\u8fc7\u5c06\u6d4b\u91cf\u7684\u5ef6\u8fdf\u91cf\u5316\u5230\u6700\u8fd1\u7684\u65f6\u9699\u6765\u83b7\u5f97：<\/p>\n

<\/p>\n

\u7b49\u4ef7\u4e8e\u901a\u8fc7\u6700\u8fd1\u90bb\u5339\u914d\u5230\u6709\u6548\u7684\u65f6\u5e8f\u7801\u96c6\u5408\u3002<\/p>\n

（iii）\u4e0d\u5e94\u671f\/\u4fdd\u62a4\u95f4\u9694\u548c\u5b9a\u754c\u7b26\u3002\u8bc6\u522b\u4e4b\u540e，\u6240\u6709\u56db\u4e2a LED \u4fdd\u6301\u5f00\u542f，\u6301\u7eed\u4e00\u6bb5\u4e0d\u5e94\u671f T_ref = N_f T，\u5176\u4e2d N_f \u4e3a\u8bbe\u8ba1\u53c2\u6570\u3002\u8be5\u4fdd\u62a4\u95f4\u9694\u901a\u8fc7\u5728\u5feb\u901f\u5207\u6362\u540e\u63d0\u4f9b\u7a33\u5b9a\u7684\u4eae\u5ea6\u6c34\u5e73\u6765\u51cf\u8f7b\u77ac\u6001\u6548\u5e94\u548c\u6742\u6563\u4e8b\u4ef6\u3002\u968f\u540e，\u5e27\u63d2\u5165\u4e00\u4e2a\u5355\u65f6\u9699\u5b9a\u754c\u7b26，\u5c06\u6240\u6709 LED \u5173\u95ed\u4e00\u4e2a\u65f6\u9699，\u4ece\u800c\u5728\u5f15\u5bfc\u7801（\u5b9a\u4f4d\/\u8bc6\u522b）\u548c\u6709\u6548\u8f7d\u8377\u4e4b\u95f4\u5f62\u6210\u6e05\u6670\u7684\u65f6\u95f4\u8fb9\u754c，\u5e76\u4ea7\u751f\u6709\u52a9\u4e8e\u5b9a\u65f6\u91cd\u5bf9\u9f50\u7684\u5f3a\u70c8\u8f6c\u6362\u3002<\/p>\n

（iv）\u6709\u6548\u8f7d\u8377\u4f20\u8f93（\u53ef\u9009）\u3002\u82e5\u4f20\u8f93\u6709\u6548\u8f7d\u8377，\u56db\u4e2a LED \u5f62\u6210 4 \u6bd4\u7279\u7b26\u53f7\u5b57\u6bcd\u8868\u3002\u5728\u6bcf\u4e2a\u6709\u6548\u8f7d\u8377\u6570\u636e\u65f6\u9699，LED \u72b6\u6001\u5411\u91cf s[n] \u2208 {0,1}^4 \u4f7f\u7528\u56fa\u5b9a\u7684\u6bd4\u7279\u5230 LED \u6620\u5c04\u7f16\u7801\u4e00\u4e2a\u534a\u5b57\u8282 b[n] \u2208 {0,\u2026,15}\u3002\u4e3a\u786e\u4fdd\u53ef\u9760\u7684\u4e8b\u4ef6\u751f\u6210，\u6bcf\u4e2a\u6570\u636e\u65f6\u9699\u540e\u8ddf\u4e00\u4e2a OFF \u65f6\u9699（\u6240\u6709 LED \u5173\u95ed）\u3002\u56e0\u6b64，\u4e00\u4e2a\u5b57\u8282\u9700\u8981\u4e24\u4e2a\u534a\u5b57\u8282，\u603b\u5171\u56db\u4e2a\u65f6\u9699（\u6570\u636e-\u5173\u95ed-\u6570\u636e-\u5173\u95ed）\u3002\u63a5\u6536\u7aef\u901a\u8fc7\u5728\u6bcf\u4e2a ROI \u7684\u51b3\u7b56\u7a97\u53e3（\u4e0e\u7b26\u53f7\u8fb9\u754c\u5bf9\u9f50）\u5185\u805a\u5408\u4e8b\u4ef6，\u5e76\u6839\u636e\u89c2\u6d4b\u5230\u7684\u6bcf LED \u6d3b\u52a8\u63a8\u65ad s[n] \u6765\u89e3\u7801\u6709\u6548\u8f7d\u8377\u3002<\/p>\n

III-C \u591a\u7528\u6237\u8bc6\u522b\u534f\u8bae<\/p>\n

\u6240\u63d0\u534f\u8bae\u81ea\u7136\u6269\u5c55\u5230\u591a\u7528\u6237\u573a\u666f，\u65e0\u9700\u7528\u6237\u95f4\u540c\u6b65\u6216\u663e\u5f0f\u534f\u8c03\u3002\u8fd9\u7531\u4e24\u4e2a\u6b63\u4ea4\u673a\u5236\u5b9e\u73b0：（i）\u901a\u8fc7\u4e0d\u76f8\u4ea4 LED \u5206\u914d\u5b9e\u73b0\u7a7a\u95f4\u5206\u79bb；（ii）\u901a\u8fc7\u7528\u6237\u7279\u5b9a\u5ef6\u8fdf\u7279\u5f81\u5b9e\u73b0\u65f6\u95f4\u8bc6\u522b\u3002\u56e0\u6b64，\u591a\u4e2a UE \u53ef\u4ee5\u5f02\u6b65\u53d1\u8d77\u8bc6\u522b\u5e27，\u5e76\u4e14\u5728\u65f6\u95f4\u4e0a\u53ef\u80fd\u90e8\u5206\u6216\u5b8c\u5168\u91cd\u53e0，\u4f46\u5728\u63a5\u6536\u7aef\u4ecd\u7136\u53ef\u5206\u79bb\u3002\u5728\u6211\u4eec\u7684\u539f\u578b\u4e2d，\u591a\u7528\u6237\u64cd\u4f5c\u901a\u8fc7\u5c06\u4e00\u4e2a 2\u00d74 LED \u9762\u677f\u903b\u8f91\u5212\u5206\u4e3a\u4e24\u4e2a\u72ec\u7acb\u533a\u57df\u6765\u6a21\u62df，\u5bf9\u5e94\u4e24\u4e2a\u76f8\u90bb\u7684\u7528\u6237\u53d1\u5c04\u5668\u3002\u5177\u4f53\u5730，UE1 \u4f7f\u7528 LED {0,1,4,5}，UE2 \u4f7f\u7528 LED {2,3,6,7}\u3002\u7531\u4e8e\u8fd9\u4e9b\u5b50\u96c6\u4e0d\u76f8\u4ea4，\u4e00\u4e2a UE \u4ea7\u751f\u7684\u4e8b\u4ef6\u88ab\u9650\u5236\u5728\u5176\u5206\u914d LED \u7684 ROI \u5185，\u4e0d\u4f1a\u6c61\u67d3\u5176\u4ed6 UE \u7684 ROI，\u4ece\u800c\u63d0\u4f9b\u7b2c\u4e00\u5c42\u5206\u79bb\u3002\u66f4\u4e00\u822c\u5730，\u4efb\u4f55\u4e0d\u76f8\u4ea4\u7684 LED \u5b50\u96c6\u53ef\u5206\u914d\u7ed9\u7528\u6237，\u5e76\u4e14\u53ef\u5728\u6bcf\u4e2a\u5b50\u96c6\u5185\u5b9e\u73b0\u4e0d\u540c\u7684\u65f6\u95f4 ID\u3002<\/p>\n

<\/p>\n

\u56fe 3 \u591a UE \u8bc6\u522b\u534f\u8bae\u65f6\u5e8f\u56fe\u3002<\/p>\n

\u5982\u56fe 3 \u6240\u793a，\u7528\u6237\u5f02\u6b65\u4f20\u8f93\u3002\u8bbe UE2 \u5728 t=0 \u5f00\u59cb，UE1 \u5728 t=\u0394 \u5f00\u59cb，\u5176\u4e2d \u0394 = \u03b4 T，\u03b4 \u2208 \u2124_{\\\\ge 0}\u3002\u63a5\u6536\u7aef\u4e0d\u9700\u8981\u8de8\u7528\u6237\u7684\u5168\u5c40\u5bf9\u9f50；\u76f8\u53cd，\u6bcf\u4e2a UE \u4ee5\u5176\u81ea\u8eab\u68c0\u6d4b\u5230\u7684\u5b9a\u4f4d\u8d77\u59cb\u65f6\u523b\u4e3a\u65f6\u95f4\u53c2\u8003，\u56e0\u6b64\u91cd\u53e0\u4e0d\u4f1a\u59a8\u788d\u89e3\u7801\u3002\u5728\u6bcf\u4e2a\u7528\u6237\u5206\u914d\u7684 LED \u5b50\u96c6\u5185，\u8eab\u4efd\u901a\u8fc7\u5b9a\u4f4d\u4e0e\u8bc6\u522b LED \u4e4b\u95f4\u7684\u5ef6\u8fdf\u8fdb\u884c\u65f6\u95f4\u7f16\u7801\u3002\u5177\u4f53\u5730，\u7528\u6237 u \u4f7f\u7528 T_ID(u) = k_u T，\u5176\u4e2d k_u \u4e3a\u6574\u6570\u65f6\u5e8f\u7801\u3002\u4f8b\u5982，UE1 \u53ef\u4f7f\u7528 T_ID(1) = 2 T，UE2 \u4f7f\u7528 T_ID(2) = 4 T\u3002\u63a5\u6536\u7aef\u6839\u636e \u2112_u \u5bf9\u5e94 ROI \u5185\u7684\u4e8b\u4ef6\u6d3b\u52a8\u72ec\u7acb\u4f30\u8ba1 T_ID(u)，\u56e0\u6b64\u53ea\u8981 ROI \u4fdd\u6301\u4e0d\u540c，\u5e76\u53d1\u4f20\u8f93\u4e0d\u4f1a\u5e72\u6270\u8bc6\u522b\u3002\u5728\u4efb\u4f55\u65f6\u9699，\u53d1\u51fa\u7684\u5149\u56fe\u6848\u7b49\u4e8e\u6240\u6709 UE \u6d3b\u52a8 LED \u7684\u5e76\u96c6（\u6309\u4f4d OR \u5b9e\u73b0）\u3002\u7531\u4e8e\u6bcf\u4e2a UE \u63a7\u5236\u4e0d\u76f8\u4ea4\u7684 LED \u5b50\u96c6，\u8fd9\u79cd\u5149\u5b66\u53e0\u52a0\u4e0d\u4f1a\u5f15\u5165\u6b67\u4e49：\u5728\u7ed9\u5b9a ROI \u4e2d\u89c2\u6d4b\u5230\u7684\u6d3b\u52a8\u53ef\u552f\u4e00\u5f52\u5c5e\u4e8e\u4e00\u4e2a UE\u3002<\/p>\n

\u89e3\u7801\u662f\u72ec\u7acb\u9488\u5bf9\u6bcf\u4e2a UE \u8fdb\u884c\u7684，\u4ec5\u4f7f\u7528\u4e0e\u5176 LED \u5173\u8054\u7684 ROI\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u7528\u6237 u，\u63a5\u6536\u7aef（i）\u4ece\u5b9a\u4f4d-LED ROI \u2112_u^loc \u4e2d\u7684\u91cd\u5408\u6d3b\u52a8\u68c0\u6d4b\u5e27\u8d77\u59cb，（ii）\u4ece\u6d4b\u91cf\u5230\u7684\u5230\u8bc6\u522b LED \u6fc0\u6d3b\u7684\u5ef6\u8fdf\u63a8\u65ad\u8eab\u4efd，（iii）\u4ec5\u4f7f\u7528\u5206\u914d\u7684 LED \u89e3\u7801\u6709\u6548\u8f7d\u8377（\u82e5\u6709）\u3002\u56e0\u6b64，\u5373\u4f7f\u5e27\u91cd\u53e0，\u6bcf\u4e2a UE \u4e5f\u53ef\u5728\u6ca1\u6709\u8c03\u5ea6\u3001\u534f\u8c03\u6216\u7528\u6237\u95f4\u540c\u6b65\u7684\u60c5\u51b5\u4e0b\u88ab\u5b9a\u4f4d\u3001\u8bc6\u522b\u548c\u89e3\u7801\u3002<\/p>\n

III-D \u6700\u5927\u7528\u6237 ID \u652f\u6301\u5206\u6790<\/p>\n

\u8868 I：\u9891\u7387\u76f8\u5173\u7684 ID \u65f6\u9699\u5bb9\u91cf\u548c\u5206\u914d\u7ec4\u5408\u6570（1 ms \u7a97\u53e3）\u3002<\/p>\n\n\n

f (Hz)<\/p>\n

T (\u03bcs)<\/p>\n

N<\/p>\n

U_max<\/p>\n

P(N,2)<\/p>\n

P(N,3)<\/p>\n

P(N,4)<\/p>\n<\/tr>\n

\n\n\n\n\n\n\n\n\n\n
\n

4000<\/p>\n<\/td>\n

\n

250.0<\/p>\n<\/td>\n

\n

4<\/p>\n<\/td>\n

\n

4<\/p>\n<\/td>\n

\n

12<\/p>\n<\/td>\n

\n

24<\/p>\n<\/td>\n

\n

24<\/p>\n<\/td>\n<\/tr>\n

\n

6000<\/p>\n<\/td>\n

\n

166.7<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

6<\/p>\n<\/td>\n

\n

30<\/p>\n<\/td>\n

\n

120<\/p>\n<\/td>\n

\n

360<\/p>\n<\/td>\n<\/tr>\n

\n

8000<\/p>\n<\/td>\n

\n

125.0<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n

\n

8<\/p>\n<\/td>\n

\n

56<\/p>\n<\/td>\n

\n

336<\/p>\n<\/td>\n

\n

1680<\/p>\n<\/td>\n<\/tr>\n

\n

10000<\/p>\n<\/td>\n

\n

100.0<\/p>\n<\/td>\n

\n

10<\/p>\n<\/td>\n

\n

10<\/p>\n<\/td>\n

\n

90<\/p>\n<\/td>\n

\n

720<\/p>\n<\/td>\n

\n

5040<\/p>\n<\/td>\n<\/tr>\n

\n

12000<\/p>\n<\/td>\n

\n

83.3<\/p>\n<\/td>\n

\n

12<\/p>\n<\/td>\n

\n

12<\/p>\n<\/td>\n

\n

132<\/p>\n<\/td>\n

\n

1320<\/p>\n<\/td>\n

\n

11880<\/p>\n<\/td>\n<\/tr>\n

\n

14000<\/p>\n<\/td>\n

\n

71.4<\/p>\n<\/td>\n

\n

14<\/p>\n<\/td>\n

\n

14<\/p>\n<\/td>\n

\n

182<\/p>\n<\/td>\n

\n

2184<\/p>\n<\/td>\n

\n

24024<\/p>\n<\/td>\n<\/tr>\n

\n

16000<\/p>\n<\/td>\n

\n

62.5<\/p>\n<\/td>\n

\n

16<\/p>\n<\/td>\n

\n

16<\/p>\n<\/td>\n

\n

240<\/p>\n<\/td>\n

\n

3360<\/p>\n<\/td>\n

\n

43680<\/p>\n<\/td>\n<\/tr>\n

\n

18000<\/p>\n<\/td>\n

\n

55.6<\/p>\n<\/td>\n

\n

18<\/p>\n<\/td>\n

\n

18<\/p>\n<\/td>\n

\n

306<\/p>\n<\/td>\n

\n

4896<\/p>\n<\/td>\n

\n

73440<\/p>\n<\/td>\n<\/tr>\n

\n

20000<\/p>\n<\/td>\n

\n

50.0<\/p>\n<\/td>\n

\n

20<\/p>\n<\/td>\n

\n

20<\/p>\n<\/td>\n

\n

380<\/p>\n<\/td>\n

\n

6840<\/p>\n<\/td>\n

\n

116280<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6211\u4eec\u523b\u753b ECO-ID \u652f\u6301\u7684\u6700\u5927\u5e76\u53d1\u7528\u6237\u6570\u968f LED \u5f00\u5173\u9891\u7387\u7684\u53d8\u5316\u3002\u5206\u6790\u9075\u5faa ECO-ID \u7684\u65f6\u95f4\u8bc6\u522b\u673a\u5236，\u5176\u4e2d\u6bcf\u4e2a\u7528\u6237\u901a\u8fc7\u5b9a\u4f4d\u8d77\u59cb\u4e0e\u8bc6\u522b LED \u6fc0\u6d3b\u4e4b\u95f4\u7684\u5ef6\u8fdf\u7f16\u7801\u5176\u8eab\u4efd\u3002\u8bbe f (Hz) \u4e3a\u5f00\u5173\u9891\u7387，\u65f6\u9699\u6301\u7eed\u65f6\u95f4\u4e3a T = 1\/f\u3002\u6211\u4eec\u5c06\u8bc6\u522b\u5ef6\u8fdf\u9650\u5236\u5728\u56fa\u5b9a\u7a97\u53e3 T_win = 1 ms \u5185\u3002\u8be5\u7a97\u53e3\u5185\u53ef\u533a\u5206\u7684\u79bb\u6563\u5ef6\u8fdf\u65f6\u9699\u6570\u4e3a<\/p>\n

<\/p>\n

\u4e3a\u907f\u514d\u6b67\u4e49，\u540c\u65f6\u6d3b\u52a8\u7684\u7528\u6237\u5fc5\u987b\u9009\u62e9\u4e0d\u540c\u7684\u5ef6\u8fdf\u65f6\u9699，\u5373\u4e0d\u80fd\u6709\u4e24\u4e2a\u7528\u6237\u4f7f\u7528\u76f8\u540c\u7684\u8bc6\u522b\u5ef6\u8fdf\u3002\u9664\u65f6\u95f4\u5206\u8fa8\u7387\u5916，\u591a\u7528\u6237\u5bb9\u91cf\u8fd8\u53d7\u7a7a\u95f4\u8d44\u6e90\u9650\u5236\u3002\u8bbe K \u4e3a\u53ef\u7528\u4e8e\u7528\u6237\u5206\u79bb\u7684\u72ec\u7acb\u7a7a\u95f4\u533a\u57df\u6570（\u4f8b\u5982\u4e0d\u540c\u9762\u677f\u6216\u4e0d\u76f8\u4ea4 LED \u7ec4）\u3002\u56e0\u6b64，\u6700\u5927\u5e76\u53d1\u7528\u6237\u6570\u4e3a<\/p>\n

<\/p>\n

\u8fd9\u4f53\u73b0\u4e86\u7a7a\u95f4\u5206\u79bb\u548c\u65f6\u9699\u53ef\u7528\u6027\u5171\u540c\u65bd\u52a0\u7684\u9650\u5236\u3002<\/p>\n

\u5bf9\u4e8e\u7ed9\u5b9a\u7684\u6d3b\u52a8\u7528\u6237\u6570 U \u2264 N，\u552f\u4e00 ID \u65f6\u9699\u7684\u6709\u5e8f\u5206\u914d\u65b9\u5f0f\u6570\u4e3a<\/p>\n

<\/p>\n

\u5b83\u8ba1\u7b97\u5c06 U \u4e2a\u7528\u6237\u6620\u5c04\u5230 U \u4e2a\u4e0d\u540c\u5ef6\u8fdf\u65f6\u9699\u7684\u4e0d\u540c\u65b9\u5f0f\u3002\u4f8b\u5982，\u5728 f = 4000 Hz \u65f6，T = 250 \u03bcs，N = 4 \u4e2a\u65f6\u9699\u53ef\u5bb9\u7eb3\u5728 1 ms \u7a97\u53e3\u5185\u3002\u82e5\u7a7a\u95f4\u8d44\u6e90\u5145\u8db3，\u6700\u591a\u53ef\u652f\u6301 4 \u4e2a\u7528\u6237，\u6709\u5e8f\u5206\u914d\u6570\u5206\u522b\u4e3a P(4,2)=12，P(4,3)=24，P(4,4)=24（\u5bf9\u5e94 U=2,3,4）\u3002<\/p>\n

\u8868 I \u6c47\u603b\u4e86\u4e0d\u540c\u9891\u7387\u4e0b\u7684 T\u3001N \u4ee5\u53ca P(N,U) \u7684\u4ee3\u8868\u503c\u3002\u968f\u7740 f \u589e\u52a0，T \u51cf\u5c0f，N \u589e\u5927，\u4f7f\u66f4\u591a\u4e0d\u540c\u7684\u65f6\u95f4 ID \u53ef\u5728\u540c\u4e00\u7a97\u53e3\u5185\u5b9e\u73b0\u3002\u7136\u800c\u5728\u5b9e\u9645\u4e2d，K \u53ef\u80fd\u662f\u66f4\u7d27\u7684\u74f6\u9888：\u5728\u6211\u4eec\u7684\u539f\u578b\u4e2d K=2，\u65e0\u8bba N \u591a\u5927（\u53ea\u8981 N\u22652），\u6700\u591a\u53ea\u80fd\u540c\u65f6\u6fc0\u6d3b\u4e24\u4e2a\u7528\u6237\u3002\u5c3d\u7ba1\u5982\u6b64，\u8f83\u5927\u7684 N \u589e\u52a0\u4e86\u5206\u914d\u7075\u6d3b\u6027，\u5e76\u964d\u4f4e\u4e86\u975e\u8c03\u5ea6\u591a\u7528\u6237\u64cd\u4f5c\u4e2d ID \u65f6\u9699\u51b2\u7a81\u7684\u6982\u7387\u3002\u5c3d\u7ba1\u53ef\u540c\u65f6\u8bfb\u53d6\u7684\u7528\u6237\u6570\u6700\u7ec8\u53d7\u9650\u4e8e\u4e8b\u4ef6\u76f8\u673a\u7684\u7a7a\u95f4\u5206\u8fa8\u7387，\u4f46\u53ef\u7528\u50cf\u7d20\u9884\u7b97\u4ecd\u7136\u53ef\u89c2\u3002\u4f8b\u5982，\u4f7f\u7528 1920\u00d7720 \u7684\u4f20\u611f\u5668，\u53ef\u5bb9\u7eb3\u7ea6 10^4 \u4e2a\u975e\u91cd\u53e0 9\u00d79 ROI，\u8fd9\u5bf9\u5e94\u4e8e\u6bcf\u4e2a\u7528\u6237\u5206\u914d 8-LED \u9762\u677f（\u5373 8-ROI \u533a\u57df）\u65f6\u7ea6 10^3 \u4e2a\u7528\u6237\u3002\u5b9e\u9645\u4e2d，\u7531\u4e8e\u5149\u5b66\u6a21\u7cca\u3001LED \u95f4\u4e32\u6270\u3001ROI \u91cd\u53e0\u4ee5\u53ca\u5c06\u5927\u91cf\u5149\u6e90\u7f6e\u4e8e\u89c6\u573a\u5185\u7684\u51e0\u4f55\u9650\u5236，\u652f\u6301\u7684\u7528\u6237\u6570\u4f1a\u964d\u4f4e\u3002\u5c3d\u7ba1\u5982\u6b64，\u8fd9\u4e00\u5206\u6790\u51f8\u663e\u4e86\u76f8\u6bd4\u73b0\u6709\u8bc6\u522b\u6280\u672f\u7684\u660e\u663e\u6269\u5c55\u4f18\u52bf\u3002\u603b\u4f53\u800c\u8a00，ECO-ID \u901a\u8fc7\u7ed3\u5408\u7a7a\u95f4\u5206\u79bb\u548c\u65f6\u95f4\u7f16\u7801\u8fdb\u884c\u6269\u5c55，\u5b9e\u73b0\u65e0\u9700\u540c\u6b65\u6216\u663e\u5f0f\u8d44\u6e90\u8c03\u5ea6\u7684\u5e76\u53d1\u591a\u7528\u6237\u8bc6\u522b\u3002<\/p>\n

\n

IV. \u8bc4\u4f30<\/p>\n

\u4f7f\u7528\u7b2c II \u8282\u6240\u8ff0\u7684\u539f\u578b\u7cfb\u7edf，\u6211\u4eec\u8bc4\u4f30 ECO-ID，\u91cd\u70b9\u5173\u6ce8\u591a\u7528\u6237\u80fd\u529b\u548c\u8d85\u4f4e\u5ef6\u8fdf\u8bbe\u5907\u8bc6\u522b\u3002\u5173\u4e8e\u4e8b\u4ef6\u76f8\u673a\u914d\u7f6e\u3001\u53c2\u6570\u4f18\u5316\u548c\u53ef\u5b9e\u73b0\u7aef\u5230\u7aef\u6709\u6548\u8f7d\u8377\u5ef6\u8fdf\u7684\u8be6\u7ec6\u4fe1\u606f\u89c1\u6211\u4eec\u5148\u524d\u7684\u5de5\u4f5c [12]\u3002\u672c\u8282\u91cd\u70b9\u4ecb\u7ecd\u8bc6\u522b\u6d41\u6c34\u7ebf\u3002<\/p>\n

IV-A \u5b9a\u4f4d\u4e0e\u7528\u6237\u8bc6\u522b<\/p>\n

\u6211\u4eec\u5728 2 kHz \u81f3 30 kHz \u7684 LED \u5f00\u5173\u9891\u7387\u4e0b\u8bc4\u4f30\u5b9a\u4f4d\u548c\u7528\u6237\u8bc6\u522b\u9636\u6bb5\u3002\u9664\u975e\u53e6\u6709\u8bf4\u660e，\u53d1\u5c04\u5668\u2013\u63a5\u6536\u5668\u8ddd\u79bb\u56fa\u5b9a\u4e3a 1 m\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u9891\u7387，\u6211\u4eec\u8fd0\u884c 10,000 \u6b21\u72ec\u7acb\u8bd5\u9a8c\u3002\u6bcf\u6b21\u8bd5\u9a8c\u4e2d，\u7cfb\u7edf\u968f\u673a\u9009\u62e9\u4e00\u5bf9\u8bc6\u522b\u5ef6\u8fdf (T_ID(1), T_ID(2)) \u5206\u522b\u7528\u4e8e UE1 \u548c UE2，\u4e14 T_ID(1) \u2260 T_ID(2) \u4ee5\u786e\u4fdd\u4e0d\u540c\u7684\u65f6\u95f4 ID\u3002\u56fe 4(a) \u663e\u793a\u4e86\u8bc6\u522b\u6210\u529f\u7387\u968f\u9891\u7387\u7684\u53d8\u5316\u3002\u8bc6\u522b\u5728\u4f4e\u9891（2\u20134 kHz）\u65f6\u63a5\u8fd1 100%，\u5e76\u968f\u9891\u7387\u589e\u52a0\u800c\u4e0b\u964d，\u56e0\u4e3a\u66f4\u9ad8\u7684\u5f00\u5173\u901f\u7387\u51cf\u5c11\u4e86\u8f6c\u6362\u95f4\u7684\u65f6\u95f4\u95f4\u9694，\u4f7f\u5b9a\u65f6\u4f30\u8ba1\u66f4\u5bb9\u6613\u53d7\u5230\u4e8b\u4ef6\u4e22\u5931\u548c\u4f20\u611f\u5668\u975e\u7406\u60f3\u7279\u6027\u7684\u5f71\u54cd\u3002\u56fe 4(b) \u62a5\u544a\u4e86\u5b9a\u4f4d\u6210\u529f\u7387，\u5176\u8d8b\u52bf\u76f8\u4f3c\u4f46\u4e0d\u592a\u660e\u663e：\u5b9a\u4f4d\u5728\u4f4e\u9891\u65f6\u4fdd\u6301\u8f83\u9ad8，\u5728\u9ad8\u9891\u65f6\u9010\u6e10\u4e0b\u964d，\u4e3b\u8981\u56e0\u4e3a\u66f4\u77ed\u7684\u5bfc\u901a\u95f4\u9694\u5bfc\u81f4\u6bcf\u4e2a\u7b26\u53f7\u4ea7\u751f\u7684\u4e8b\u4ef6\u66f4\u5c11，\u964d\u4f4e\u4e86\u68c0\u6d4b\u9c81\u68d2\u6027\u3002\u56fe 4(c) \u7ed8\u5236\u4e86\u5e73\u5747\u8bc6\u522b\u5ef6\u8fdf\u968f\u9891\u7387\u7684\u53d8\u5316\u3002\u5982\u9884\u671f，\u5ef6\u8fdf\u968f\u9891\u7387\u589e\u52a0\u800c\u51cf\u5c11（\u7531\u4e8e\u7b26\u53f7\u6301\u7eed\u65f6\u95f4\u7f29\u77ed），\u4f46\u8fd9\u4e00\u6539\u8fdb\u4ee5\u53ef\u9760\u6027\u964d\u4f4e\u4e3a\u4ee3\u4ef7\u3002<\/p>\n

<\/p>\n

\u56fe 4\u00a0\u53cc\u7528\u6237\u8bc6\u522b\u8bc4\u4f30\u7ed3\u679c：（a）ID \u6210\u529f\u7387 vs \u9891\u7387；（b）\u5b9a\u4f4d\u6210\u529f\u7387 vs \u9891\u7387；（c）\u5e73\u5747 ID \u5ef6\u8fdf vs \u9891\u7387\u3002<\/p>\n

<\/p>\n

\u56fe 5\u4e0d\u540c\u9891\u7387\u4e0b\u7684\u5ef6\u8fdf\u8bef\u5dee\u76f4\u65b9\u56fe\u3002\u865a\u7ebf\u8868\u793a \u00b1T\/2 \u7684\u51b3\u7b56\u8fb9\u754c，\u7528\u4e8e\u6b63\u786e ID \u68c0\u6d4b\u3002<\/p>\n

\u8868 II：\u5404\u9891\u7387\u4e0b\u7684\u5b9a\u4f4d\u3001\u8bc6\u522b\u548c\u5ef6\u8fdf\u6027\u80fd\u3002<\/p>\n\n\n

\u9891\u7387 (Hz)<\/p>\n

\u8bd5\u9a8c\u6570<\/p>\n

UE1 \u5b9a\u4f4d (%)<\/p>\n

UE2 \u5b9a\u4f4d (%)<\/p>\n

UE1 ID (%)<\/p>\n

UE2 ID (%)<\/p>\n

UE1 \u5ef6\u8fdf (\u03bcs)<\/p>\n

UE2 \u5ef6\u8fdf (\u03bcs)<\/p>\n<\/tr>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

2000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

99.99<\/p>\n<\/td>\n

\n

99.99<\/p>\n<\/td>\n

\n

99.98<\/p>\n<\/td>\n

\n

99.98<\/p>\n<\/td>\n

\n

768.51<\/p>\n<\/td>\n

\n

763.27<\/p>\n<\/td>\n<\/tr>\n

\n

4000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

99.81<\/p>\n<\/td>\n

\n

99.82<\/p>\n<\/td>\n

\n

98.67<\/p>\n<\/td>\n

\n

98.66<\/p>\n<\/td>\n

\n

648.77<\/p>\n<\/td>\n

\n

643.70<\/p>\n<\/td>\n<\/tr>\n

\n

6000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

96.32<\/p>\n<\/td>\n

\n

96.22<\/p>\n<\/td>\n

\n

79.93<\/p>\n<\/td>\n

\n

79.34<\/p>\n<\/td>\n

\n

583.44<\/p>\n<\/td>\n

\n

582.94<\/p>\n<\/td>\n<\/tr>\n

\n

8000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

89.57<\/p>\n<\/td>\n

\n

89.42<\/p>\n<\/td>\n

\n

67.85<\/p>\n<\/td>\n

\n

68.15<\/p>\n<\/td>\n

\n

554.19<\/p>\n<\/td>\n

\n

552.72<\/p>\n<\/td>\n<\/tr>\n

\n

10000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

85.09<\/p>\n<\/td>\n

\n

84.93<\/p>\n<\/td>\n

\n

61.16<\/p>\n<\/td>\n

\n

61.50<\/p>\n<\/td>\n

\n

538.74<\/p>\n<\/td>\n

\n

537.98<\/p>\n<\/td>\n<\/tr>\n

\n

12000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

83.52<\/p>\n<\/td>\n

\n

83.41<\/p>\n<\/td>\n

\n

54.46<\/p>\n<\/td>\n

\n

55.63<\/p>\n<\/td>\n

\n

533.66<\/p>\n<\/td>\n

\n

528.22<\/p>\n<\/td>\n<\/tr>\n

\n

14000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

78.48<\/p>\n<\/td>\n

\n

78.38<\/p>\n<\/td>\n

\n

47.43<\/p>\n<\/td>\n

\n

50.02<\/p>\n<\/td>\n

\n

515.60<\/p>\n<\/td>\n

\n

508.40<\/p>\n<\/td>\n<\/tr>\n

\n

16000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

77.94<\/p>\n<\/td>\n

\n

77.83<\/p>\n<\/td>\n

\n

43.47<\/p>\n<\/td>\n

\n

44.02<\/p>\n<\/td>\n

\n

480.73<\/p>\n<\/td>\n

\n

488.81<\/p>\n<\/td>\n<\/tr>\n

\n

18000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

75.14<\/p>\n<\/td>\n

\n

75.09<\/p>\n<\/td>\n

\n

48.18<\/p>\n<\/td>\n

\n

50.19<\/p>\n<\/td>\n

\n

509.77<\/p>\n<\/td>\n

\n

508.33<\/p>\n<\/td>\n<\/tr>\n

\n

20000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

76.28<\/p>\n<\/td>\n

\n

76.24<\/p>\n<\/td>\n

\n

43.46<\/p>\n<\/td>\n

\n

45.08<\/p>\n<\/td>\n

\n

480.89<\/p>\n<\/td>\n

\n

486.00<\/p>\n<\/td>\n<\/tr>\n

\n

22000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

75.27<\/p>\n<\/td>\n

\n

75.21<\/p>\n<\/td>\n

\n

37.97<\/p>\n<\/td>\n

\n

39.14<\/p>\n<\/td>\n

\n

449.28<\/p>\n<\/td>\n

\n

458.42<\/p>\n<\/td>\n<\/tr>\n

\n

24000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

74.17<\/p>\n<\/td>\n

\n

74.07<\/p>\n<\/td>\n

\n

43.25<\/p>\n<\/td>\n

\n

43.93<\/p>\n<\/td>\n

\n

471.57<\/p>\n<\/td>\n

\n

490.74<\/p>\n<\/td>\n<\/tr>\n

\n

26000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

73.39<\/p>\n<\/td>\n

\n

73.29<\/p>\n<\/td>\n

\n

28.98<\/p>\n<\/td>\n

\n

32.82<\/p>\n<\/td>\n

\n

440.73<\/p>\n<\/td>\n

\n

429.37<\/p>\n<\/td>\n<\/tr>\n

\n

28000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

71.48<\/p>\n<\/td>\n

\n

71.42<\/p>\n<\/td>\n

\n

39.50<\/p>\n<\/td>\n

\n

42.06<\/p>\n<\/td>\n

\n

471.70<\/p>\n<\/td>\n

\n

476.19<\/p>\n<\/td>\n<\/tr>\n

\n

30000<\/p>\n<\/td>\n

\n

10000<\/p>\n<\/td>\n

\n

70.86<\/p>\n<\/td>\n

\n

70.83<\/p>\n<\/td>\n

\n

27.89<\/p>\n<\/td>\n

\n

29.44<\/p>\n<\/td>\n

\n

414.64<\/p>\n<\/td>\n

\n

413.82<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8868 II \u6c47\u603b\u4e86\u8fd9\u4e9b\u7ed3\u679c，\u5e76\u7a81\u663e\u4e86\u53ef\u9760\u6027-\u5ef6\u8fdf\u6743\u8861\u3002\u5728 2 kHz \u65f6，ECO-ID \u8fbe\u5230 99.99% \u5b9a\u4f4d\u548c 99.98% \u8bc6\u522b，\u5e73\u5747\u5ef6\u8fdf\u7ea6 0.76 ms；\u5728 4 kHz \u65f6，\u5b83\u4fdd\u6301\u7ea6 99.8% \u5b9a\u4f4d\u548c\u7ea6 98.7% \u8bc6\u522b，\u5ef6\u8fdf\u964d\u4f4e\u81f3\u7ea6 0.64 ms\u3002\u8d85\u8fc7 4 kHz \u540e，\u8bc6\u522b\u4e0b\u964d\u901f\u5ea6\u660e\u663e\u5feb\u4e8e\u5b9a\u4f4d（\u4f8b\u5982，6 kHz \u65f6\u5b9a\u4f4d\u4ecd\u9ad8\u4e8e 96%，\u4f46\u8bc6\u522b\u964d\u81f3\u7ea6 79%；10 kHz \u65f6\u5b9a\u4f4d\u4ecd\u7ea6 85%，\u8bc6\u522b\u964d\u81f3\u7ea6 61%），\u8fd9\u4e0e\u5b9a\u4f4d\u4f9d\u8d56\u591a\u4e2a LED \u4e0a\u7684\u5f3a\u91cd\u5408\u4e8b\u4ef6\u7a81\u53d1，\u800c\u8bc6\u522b\u9700\u8981\u5728\u6bcf\u4e2a\u7b26\u53f7\u4e8b\u4ef6\u66f4\u5c11\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u7cbe\u786e\u76f8\u5bf9\u5ef6\u8fdf\u4f30\u8ba1\u7684\u4e8b\u5b9e\u4e00\u81f4\u3002\u5ef6\u8fdf\u603b\u4f53\u4e0a\u6301\u7eed\u4e0b\u964d（\u4ece 2 kHz \u7684\u7ea6 768 \u03bcs \u5230 30 kHz \u7684\u7ea6 415 \u03bcs），\u9ad8\u9891\u65f6\u5b58\u5728\u8f7b\u5fae\u975e\u5355\u8c03\u6027，\u4e3b\u8981\u5f52\u56e0\u4e8e\u6210\u529f\u8bd5\u9a8c\u7684\u5e73\u5747\u6548\u5e94\u3002\u5728\u6240\u6709\u9891\u7387\u4e0b，UE1 \u548c UE2 \u8868\u73b0\u51fa\u51e0\u4e4e\u5bf9\u79f0\u7684\u6027\u80fd，\u8868\u660e\u8fd9\u79cd\u4fdd\u5b88\u8bbe\u7f6e\u4e2d\u7684\u76f8\u90bb\u7a7a\u95f4\u5212\u5206\u5e76\u672a\u5f15\u5165\u663e\u8457\u7684\u7528\u6237\u504f\u5dee\u3002<\/p>\n

IV-B \u8bc6\u522b\u7684\u5ef6\u8fdf\u8bef\u5dee\u5206\u6790<\/p>\n

\u4e3a\u89e3\u91ca\u8f83\u9ad8\u5f00\u5173\u9891\u7387\u4e0b\u5b9a\u4f4d\u548c\u8bc6\u522b\u6027\u80fd\u4e0b\u964d\u7684\u539f\u56e0，\u6211\u4eec\u4f7f\u7528\u5ef6\u8fdf\u8bef\u5dee\u76f4\u65b9\u56fe\u68c0\u67e5\u8bc6\u522b\u5ef6\u8fdf\u4f30\u8ba1\u8bef\u5dee\u7684\u5206\u5e03\u3002\u5bf9\u4e8e\u6bcf\u6b21\u8bd5\u9a8c，\u5ef6\u8fdf\u8bef\u5dee\u4e3a \u03b5 \u225c \\\\hat{T}_ID(u) \u2212 T_ID(u)，\u5176\u4e2d T_ID(u) = k_u T \u662f\u771f\u5b9e\u8bc6\u522b\u5ef6\u8fdf（\u65f6\u9699\u6301\u7eed\u65f6\u95f4\u7684\u6574\u6570\u500d），\\\\hat{T}_ID(u) \u662f\u4ece\u4e8b\u4ef6\u6d41\u4f30\u8ba1\u7684\u5ef6\u8fdf\u3002\u5982\u7b2c III \u8282\u6240\u8ff0，\u89e3\u7801\u5c06 \\\\hat{T}_ID(u) \u6620\u5c04\u5230\u6700\u8fd1\u7684\u79bb\u6563 ID \u65f6\u9699\u3002\u56e0\u6b64，\u6b63\u786e\u8bc6\u522b\u7684\u5145\u8981\u6761\u4ef6\u662f\u4f30\u8ba1\u8bef\u5dee\u843d\u5728\u6700\u8fd1\u90bb\u51b3\u7b56\u533a\u57df\u5185，\u5373 \u03b5 \u2208 (\u2212T\/2, T\/2)，\u6784\u6210\u51b3\u7b56\u8fb9\u754c\u3002\u5f53 |\u03b5| > T\/2 \u65f6，\u6d4b\u91cf\u5ef6\u8fdf\u88ab\u91cf\u5316\u5230\u76f8\u90bb\u65f6\u9699，\u5bfc\u81f4\u9519\u8bef\u7684\u7528\u6237 ID\u3002\u56fe 5 \u663e\u793a\u4e86\u4ee3\u8868\u9891\u7387\u4e0b\u7684\u5ef6\u8fdf\u8bef\u5dee\u5206\u5e03\u3002\u5728 4 kHz（T=250 \u03bcs）\u65f6，\u8bef\u5dee\u7d27\u5bc6\u96c6\u4e2d\u5728\u96f6\u9644\u8fd1，\u4e14\u5b8c\u5168\u5904\u4e8e \u00b1T\/2 \u8fb9\u754c\u5185，\u4e0e\u56fe 4(a) \u548c\u8868 II \u4e2d\u8fd1\u4e4e\u5b8c\u7f8e\u7684\u8bc6\u522b\u51c6\u786e\u7387\u4e00\u81f4\u3002\u5728 6 kHz（T\u2248166.7 \u03bcs）\u65f6，\u5206\u5e03\u7565\u5fae\u5c55\u5bbd，\u4f46\u5927\u90e8\u5206\u4ecd\u5728\u51b3\u7b56\u533a\u57df\u5185，\u5bfc\u81f4\u6210\u529f\u7387\u9002\u5ea6\u4e0b\u964d\u3002\u5728 8 kHz（T=125 \u03bcs）\u65f6，\u4e0d\u53ef\u5ffd\u7565\u7684\u8bef\u5dee\u90e8\u5206\u8de8\u8d8a \u00b1T\/2，\u589e\u52a0\u4e86\u65f6\u9699\u8bef\u5206\u914d\u7684\u6982\u7387，\u9020\u6210\u8bc6\u522b\u51c6\u786e\u7387\u7684\u660e\u663e\u4e0b\u964d\u3002\u5728\u66f4\u9ad8\u9891\u7387（\u4f8b\u5982 12 kHz \u548c 20 kHz，T=83.3 \u03bcs \u548c 50 \u03bcs）\u65f6，\u5141\u8bb8\u7684\u8bef\u5dee\u88d5\u91cf\u8fdb\u4e00\u6b65\u7f29\u5c0f，\u5206\u5e03\u7684\u5927\u91cf\u90e8\u5206\u843d\u5728\u51b3\u7b56\u8fb9\u754c\u4e4b\u5916，\u5bfc\u81f4\u9891\u7e41\u8bef\u5206\u7c7b\u548c\u663e\u8457\u7684\u6027\u80fd\u9000\u5316\u3002\u8be5\u5206\u6790\u8868\u660e，\u9ad8\u9891\u4e0b\u89c2\u6d4b\u5230\u7684\u6027\u80fd\u4e0b\u964d\u6839\u672c\u4e0a\u7531\u65f6\u95f4\u5bb9\u9650\u51cf\u5c0f\u9a71\u52a8：\u63d0\u9ad8 f \u964d\u4f4e\u4e86\u5e73\u5747\u5ef6\u8fdf，\u4f46\u540c\u65f6\u6536\u7d27\u4e86\u91cf\u5316\u88d5\u91cf，\u4f7f\u8bc6\u522b\u5bf9\u4e8b\u4ef6\u6296\u52a8\u3001\u9519\u8fc7\u8f6c\u6362\u548c\u68c0\u6d4b\u4e0d\u786e\u5b9a\u6027\u66f4\u52a0\u654f\u611f\u3002<\/p>\n

\u603b\u4f53\u800c\u8a00，\u8bc4\u4f30\u7ed3\u679c\u8868\u660e，\u6240\u63d0\u51fa\u7684 ECO-ID \u80fd\u591f\u5b9e\u73b0\u65e0\u9700\u7528\u6237\u95f4\u540c\u6b65\u6216\u663e\u5f0f\u534f\u8c03\u7684\u5e76\u53d1\u4f4e\u5ef6\u8fdf\u8bc6\u522b\u3002\u901a\u8fc7\u4e3a\u4e0d\u540c\u7528\u6237\u5206\u914d\u4e0d\u76f8\u4ea4\u7684 LED \u5b50\u96c6（\u7a7a\u95f4\u5206\u79bb）\u548c\u5728\u7528\u6237\u7279\u5b9a\u5ef6\u8fdf\u7279\u5f81\u4e2d\u7f16\u7801\u8eab\u4efd（\u65f6\u95f4\u7f16\u7801），\u63a5\u6536\u7aef\u53ef\u4ee5\u72ec\u7acb\u5730\u5b9a\u4f4d\u3001\u5173\u8054\u548c\u8bc6\u522b\u591a\u4e2a\u7528\u6237，\u5373\u4f7f\u4f20\u8f93\u91cd\u53e0，\u4e5f\u65e0\u9700\u4f9d\u8d56\u4f20\u7edf\u7684\u591a\u5740\u63a5\u5165\u8c03\u5ea6（\u5982 TDMA\/FDMA）\u3002\u4e8b\u4ef6\u9a71\u52a8\u4f20\u611f\u6d41\u6c34\u7ebf\u8fdb\u4e00\u6b65\u964d\u4f4e\u4e86\u5f00\u9500\u548c\u5ef6\u8fdf，\u56e0\u4e3a\u5b83\u4ec5\u54cd\u5e94\u4eae\u5ea6\u53d8\u5316，\u5b9e\u73b0\u4e9a\u6beb\u79d2\u7ea7\u8bc6\u522b，\u540c\u65f6\u65e0\u9700\u5bf9\u7126\u4ecd\u4fdd\u6301\u9c81\u68d2\u6027\u3002\u7efc\u5408\u6765\u770b，\u8fd9\u4e9b\u53d1\u73b0\u9a8c\u8bc1\u4e86 ECO-ID \u4f5c\u4e3a\u4e00\u79cd\u53ef\u6269\u5c55\u3001\u7075\u6d3b\u7684\u591a\u7528\u6237\u8bc6\u522b\u65b9\u6cd5，\u652f\u6301\u5f02\u6b65\u64cd\u4f5c\u4e14\u534f\u8c03\u5f00\u9500\u6700\u5c0f\u3002<\/p>\n

\n

V. \u7ed3\u8bba<\/p>\n

\u5728\u672c\u6587\u4e2d，\u6211\u4eec\u63d0\u51fa\u4e86 ECO-ID，\u4e00\u79cd\u7528\u4e8e\u65f6\u95f4\u5173\u952e\u578b\u591a\u7528\u6237\u4ea4\u4e92\u73af\u5883\u7684\u57fa\u4e8e\u4e8b\u4ef6\u76f8\u673a\u7684\u8bc6\u522b\u4e0e\u8ba4\u8bc1\u7cfb\u7edf\u3002ECO-ID \u901a\u8fc7\u4e0d\u76f8\u4ea4 LED \u5206\u914d\u5b9e\u73b0\u7a7a\u95f4\u5206\u79bb，\u5e76\u901a\u8fc7\u7528\u6237\u7279\u5b9a\u5ef6\u8fdf\u7279\u5f81\u5b9e\u73b0\u65f6\u95f4\u8eab\u4efd\u7f16\u7801，\u4ece\u800c\u652f\u6301\u65e0\u9700\u663e\u5f0f\u8c03\u5ea6\u6216\u534f\u8c03\u7684\u5e76\u53d1\u5f02\u6b65\u8bc6\u522b\u3002\u901a\u8fc7\u57fa\u4e8e ROI \u7684\u4e8b\u4ef6\u805a\u5408，\u63a5\u6536\u7aef\u5373\u4f7f\u65e0\u9700\u5bf9\u7126\u4e5f\u80fd\u9c81\u68d2\u5730\u68c0\u6d4b\u5b9a\u4f4d\u548c\u8bc6\u522b\u8f6c\u6362，\u800c\u4e8b\u4ef6\u9a71\u52a8\u4f20\u611f\u5b9e\u73b0\u4e86\u4e9a\u6beb\u79d2\u7ea7\u7684\u7aef\u5230\u7aef\u8bc6\u522b\u5ef6\u8fdf\u3002\u539f\u578b\u5b9e\u73b0\u9a8c\u8bc1\u4e86 ECO-ID，\u5e76\u63ed\u793a\u4e86\u53ef\u9760\u6027-\u5ef6\u8fdf\u6743\u8861\u3002\u6211\u4eec\u5f53\u524d\u7684\u8bbe\u7f6e\u5728\u5b9e\u9645\u4e2d\u4e3a\u4e24\u4e2a\u7528\u6237\u63d0\u4f9b\u4e86\u7ea6 99.8% \u7684\u5b9a\u4f4d\u3001\u7ea6 98.7% \u7684\u8bc6\u522b\u548c\u7ea6 0.64 ms \u7684\u5e73\u5747\u5ef6\u8fdf\u3002\u672a\u6765\u5de5\u4f5c\u5c06\u6269\u5c55\u5230\u66f4\u591a\u7528\u6237\u548c\u9762\u677f，\u589e\u5f3a\u5728\u8fd0\u52a8\u548c\u73af\u5883\u5149\u4e0b\u7684\u9c81\u68d2\u65f6\u5e8f\u89e3\u7801，\u5e76\u5728\u66f4\u5927\u89c4\u6a21\u7684\u4ea4\u4e92\u90e8\u7f72\u4e2d\u8bc4\u4f30 ECO-ID\u3002<\/p>\n

\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"

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