{"id":269,"date":"2009-06-27T17:01:06","date_gmt":"2009-06-27T09:01:06","guid":{"rendered":"http:\/\/blog.xiaoding.org\/?p=269"},"modified":"2014-02-12T23:30:54","modified_gmt":"2014-02-12T15:30:54","slug":"wireless-router-tx-power-measure","status":"publish","type":"post","link":"https:\/\/xiaoding.org\/?p=269","title":{"rendered":"\u65e0\u7ebf\u8def\u7531\u5668\u529f\u7387\u7684\u4e00\u70b9\u6d88\u606f"},"content":{"rendered":"

\u5728\u65e0\u7ebf\u8bba\u575b\u4e0a\uff0c\u7ecf\u5e38\u770b\u5230\u6709\u4eba\u5bf9\u65e0\u7ebf\u8def\u7531\u5668\u7684\u529f\u7387\u5f88\u5173\u5fc3\uff0c\u7279\u522b\u662f\u5e0c\u671b\u52a0\u5927\u8986\u76d6\u6548\u679c\u7684\u3002DD-WRT \u548c Tomato \u56fa\u4ef6\u90fd\u63d0\u4f9b\u4e86\u8c03\u8282\u53d1\u5c04\u529f\u7387\u7684\u529f\u80fd\uff0c\u53d7\u5230\u5927\u5bb6\u7684\u79f0\u8d5e\u3002\u4f46\u662f\u5176\u6807\u79f0\u7684\u503c\u662f 0-251 mW\uff0c\u771f\u6b63\u7684\u6548\u679c\u600e\u4e48\u6837\uff0c\u4f3c\u4e4e\u5927\u5bb6\u90fd\u6ca1\u6709\u4e00\u4e2a\u660e\u786e\u7684\u8ba4\u8bc6\uff0c\u53ea\u662f\u4ece\u76f4\u89c9\u4e0a\u76f8\u4fe1\u5b83\u53ef\u4ee5\u8fbe\u5230\u5982\u6b64\u7684\u529f\u7387\u3002<\/p>\n

\u6211\u66fe\u7ecf\u5728 DD-WRT \u8bba\u575b<\/a>\u4e0a\u770b\u5230\u8fc7\u7f8e\u56fd Alaska University \u7684 tparris<\/a> \u4f7f\u7528\u5b9e\u9a8c\u5ba4\u7684\u5b89\u6377\u4f26\u9891\u8c31\u5206\u6790\u4eea\u68c0\u6d4b\u8fc7 Buffalo WHR-HP-G54 \u65e0\u7ebf\u8def\u7531\u5668\uff0c\u6240\u4ee5\u6b63\u597d\u628a\u4ed6\u7684\u7ed3\u679c\u7f16\u8bd1\u4e00\u4e0b\uff0c\u53d1\u5728\u8fd9\u91cc\u7b97\u662f\u4e00\u4e2a\u53c2\u8003\u3002<\/p>\n

0mW setting = 0dBm output (1.0mW)
\n1mW setting = 0.1dBm output (1.0mW)
\n2mW setting = 4.1dBm (2.6mW)
\n4mW setting = 7.5dBm (5.6mW)
\n8mW setting = 11dBm (12.6mW)
\n16mW setting = 13.7dBm (23.4mW)
\n28mW setting = 16.5dBm (44.7mW)
\n32mWsetting = 17.0dBm (50.1mW)
\n50mW setting = 19.5dBm (89.1mW)
\n64mW setting = 19.5dBm (89.1mW)
\n80mW setting = 19.7dBm (93.3mW)
\n128mW setting = 20.1dBm (102mW)
\n251mW setting = 20.0dBm (100mW)<\/p><\/blockquote>\n

\u6b64\u5904\u7684\u6d4b\u91cf\u529f\u7387\u662f ch6 \u901a\u9053\u7684\u53d1\u5c04\u529f\u7387\u7684\u5747\u65b9\u6839\uff0c\u963b\u6297\u4e3a50\u6b27\u3002<\/p>\n

\u4ece\u4ee5\u4e0a\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff0c\u8def\u7531\u5668\u5b9e\u9645\u7684\u53d1\u5c04\u529f\u7387\u4e0d\u8d85\u8fc7 102mW\uff0c\u540c\u65f6\uff0cDD-WRT\/Tomato\u7684\u8bbe\u7f6e\u4e2d\u6709\u6548\u8bbe\u7f6e\u533a\u95f4\u4ec5\u4ec5\u662f 1-128 \u3002 \u8bbe\u7f6e\u503c\u4e3a 0 \u65f6\u5b9e\u9645\u8fd8\u6709 1mW \u7684\u53d1\u5c04\u529f\u7387\uff0c\u8bbe\u7f6e\u503c\u8d85\u8fc7 128 \u65f6\uff0c\u5b9e\u9645\u529f\u7387\u5e76\u6ca1\u6709\u63d0\u5347\uff0c\u800c\u662f\u9650\u5236\u5728 100mW \u5de6\u53f3\u3002\uff08\u8fd9\u4e2a\u503c\u4e5f\u662f 802.11 \u65e0\u7ebf\u7f51\u7edc\u7684\u9650\u5236\u503c\uff09<\/p>\n

tparris<\/a> \u5728\u4ed6\u7684\u6587\u7ae0\u4e2d\u63d0\u5230\uff0c\u8def\u7531\u5668\u7684\u786c\u4ef6\u90e8\u5206\u6709\u4e00\u4e2a AGC \u7535\u8def\uff08Automatic Gain Control\uff0c\u81ea\u52a8\u589e\u76ca\u63a7\u5236\uff09\uff0c\u5b83\u628a\u8f93\u51fa\u529f\u80fd\u9650\u5236\u5230\u4e86100mW\u3002\u4ece\u8f6f\u4ef6\u4e2d\u662f\u65e0\u6cd5\u5c06\u8def\u7531\u5668\u7684\u53d1\u5c04\u529f\u7387\u63d0\u9ad8\u5230 100mW \u4e4b\u4e0a\u7684\u3002\u4ed6\u8fd8\u505a\u4e86\u4e00\u4e2a\u5c0f\u6d4b\u8bd5\uff0c\u8bc1\u660e\u4e86 AGC \u7535\u8def\u7684\u786e\u9650\u5236\u4e86\u53d1\u5c04\u529f\u7387\u3002<\/p>\n

\u8981\u67e5\u770b tparris \u7684\u539f\u6587\u8bf7\u70b9\u51fb\u8fd9\u91cc<\/a>\u3002
\n\u540c\u65f6\u6b22\u8fce\u5230 Wi\u79d1\u6280<\/a> \u53c2\u4e0e\u6b64\u6587\u7684\u8ba8\u8bba \ud83d\ude42 <\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u5728\u65e0\u7ebf\u8bba\u575b\u4e0a\uff0c\u7ecf\u5e38\u770b\u5230\u6709\u4eba\u5bf9\u65e0\u7ebf\u8def\u7531\u5668\u7684\u529f\u7387\u5f88\u5173\u5fc3\uff0c\u7279\u522b\u662f\u5e0c\u671b\u52a0\u5927\u8986\u76d6\u6548\u679c\u7684\u3002DD-WRT \u548c Tomato … <\/p>\n

\u7ee7\u7eed\u9605\u8bfb\u201c\u65e0\u7ebf\u8def\u7531\u5668\u529f\u7387\u7684\u4e00\u70b9\u6d88\u606f\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[21,43,29],"class_list":["post-269","post","type-post","status-publish","format-standard","hentry","category-wireless","tag-21","tag-imported-old-post","tag-29"],"_links":{"self":[{"href":"https:\/\/xiaoding.org\/index.php?rest_route=\/wp\/v2\/posts\/269","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xiaoding.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xiaoding.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xiaoding.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xiaoding.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=269"}],"version-history":[{"count":0,"href":"https:\/\/xiaoding.org\/index.php?rest_route=\/wp\/v2\/posts\/269\/revisions"}],"wp:attachment":[{"href":"https:\/\/xiaoding.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xiaoding.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xiaoding.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}