{"id":3361,"date":"2024-02-29T19:18:17","date_gmt":"2024-02-29T11:18:17","guid":{"rendered":"http:\/\/cq.anfangjishu.com\/cqjiankong\/?p=3361"},"modified":"2024-02-29T19:18:17","modified_gmt":"2024-02-29T11:18:17","slug":"%e7%9f%b3%e6%9f%b1%e5%b7%a5%e5%8e%82%e7%9b%91%e6%8e%a7%ef%bc%9a%e5%a6%82%e4%bd%95%e5%88%86%e8%be%a8%e6%91%84%e5%83%8f%e6%9c%ba%e8%a7%84%e6%a0%bc%e4%bc%98%e5%8a%a3%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/cq.anfangjishu.com\/cqjiankong\/3361.html","title":{"rendered":"\u77f3\u67f1\u5de5\u5382\u76d1\u63a7\uff1a\u5982\u4f55\u5206\u8fa8\u6444\u50cf\u673a\u89c4\u683c\u4f18\u52a3\uff1f"},"content":{"rendered":"<\/p>\n

\u6709\u4e9b\u521d\u5165\u5b89\u9632\u4e1a\u8005\u60f3\u77e5\u9053\u4e00\u4e9b\u57fa\u672c\u7684\u6444\u50cf\u673a\u89c4\u683c\u6761\u4ef6\u8ddf\u9009\u578b\u5173\u7cfb\uff0c\u4eca\u5929\u5f00\u59cb\u6211\u4eec\u5c31\u4ece\u7f51\u8def\u76d1\u63a7IT\u95ee\u9898\u8df3\u5230\u6bd4\u8f83\u5355\u7eaf\u7684\u76d1\u63a7\u4ea7\u54c1\u95ee\u9898\u9762\u6765\u804a\u804a\u3002<\/p>\n

\u5982\u4f55\u5206\u8fa8\u6444\u50cf\u673a\u89c4\u683c\u4f18\u52a3\u6765\u505a\u9009\u578b\u53c2\u8003\u5462\u91cd\u5e86\u5de5\u5382\u9ad8\u6e05\u76d1\u63a7\u5b89\u88c5http:\/\/cq.anfangjishu.com\/\uff1f\u8fd9\u53ef\u4ee5\u4ece\u4e94\u5927\u90e8\u4efd\u5148\u8c08\u8d77\uff1a<\/p>\n

1. S\/N\u6bd4\u662f\u4ec0\u4e48\uff1f\u5982\u4f55\u8ba1\u7b97\u6765\u7684\uff1f<\/p>\n

2\u91cd\u5e86\u7efc\u5408\u5e03\u7ebf\u516c\u53f8http:\/\/cq.anfangjishu.com\/. \u5206\u8fa8\u7387\u57fa\u672c\u8bf4\u6cd5\u662f\u4ec0\u4e48\uff1f<\/p>\n

\"\u5982\u4f55\u5206\u8fa8\u6444\u50cf\u673a\u89c4\u683c\u4f18\u52a3\uff1f\"<\/p>\n

3. \u6700\u4f4e\u7167\u5ea6\u53c8\u662f\u5982\u4f55\u8ba4\u5b9a\uff1f<\/p>\n

4. \u4ec0\u4e48\u662f\u52a8\u6001\u8303\u56f4\u56f4\uff1f<\/p>\n

5. \u4ec0\u4e48\u662f\u8272\u5f69\u8fd8\u539f\u5ea6\uff1f<\/p>\n

S\/N(Signal Noise Ratio)\u4fe1\u566a\u6bd4<\/p>\n

\u53ea\u8981\u662f\u7535\u5b50\u96f6\u4ef6\uff0c\u7535\u963b\u3001\u7535\u5bb9\u3001CCD\u3001CDS\u3001DSP\u4f1a\u4ea7\u751f\u70ed\uff0c\u6709\u70ed\u5c31\u4f1a\u5f71\u54cd\u5f71\u50cf\u4fe1\u53f7\uff0c\u9020\u6210\u5f71\u50cf\u4e2d\u6709\u6742\u8baf\uff0c\u5f71\u50cf\u4e0e\u6742\u8baf\u7684\u6bd4\uff0c\u5c31\u662f S\/N\u6bd4\u3002<\/p>\n

\u5f71\u50cf\u4e0e\u6742\u8baf\u4e00\u6837\u5927\uff0c\u5f71\u50cf\u53601\u3001\u6742\u8baf\u53601(1\/1=1)\uff1a0 dB\uff1b<\/p>\n

\u5f71\u50cf\u536010\u3001\u6742\u8baf\u53601(10\/1)= 20dB\uff1b<\/p>\n

\u5f71\u50cf\u5360100\u3001\u6742\u8baf\u53601(100\/1)= 40dB\uff1b<\/p>\n

\u5f71\u50cf\u53601000\u3001\u6742\u8baf\u53601(1000\/1)= 60dB\uff1b<\/p>\n

\u5f71\u50cf\u536010000\u3001\u6742\u8baf\u53601(10000\/1)= 80dB\u3002<\/p>\n

\u4e00\u822c\u89c4\u683c\u63d0\u5230 48dB\uff0c\u5c31\u662f\u5f71\u50cf\u4e0e\u6742\u8baf\u6bd4\u4e3a300\/1 \uff5e 250\/1\u3002<\/p>\n

\u964d\u4f4eS\/N\u7684\u65b9\u6cd5\uff1a<\/p>\n

\u88ab\u52a8\u5143\u4ef6\u5982\u7535\u963b\u7535\u5bb9\uff0c\u9009\u7528\u4f4eS\/N\uff0c\u7279\u522b\u662f CCD\u3001CDS\u3001DSP\u9009\u7528\u4f4eS\/N\u7684\u4ea7\u54c1\u7b49\u7ea7\u3002(\u8003\u8651\u5230\u6210\u672c\u53ca\u4ea7\u54c1\u7b49\u7ea7\u505a\u533a\u9694)<\/p>\n

\u5206\u8fa8\u7387<\/p>\n

\u4e00\u4e2a\u7535\u89c6\u753b\u9762\u6240\u80fd\u5448\u73b0\u7684\u7ebf\u6761\u6570\u3002\u5173\u952e\u6765\u81ea\u4e8eCCD\/CMOS sensor(\u536080%)\u3001ISP\u4e0e DSP\u90e8\u4efd\u5360 15-18%\u3001filter\u5360 2-5%\u3002\u8fa8\u8bc6\u7387\u5728\u7c7b\u6bd4\u7cfb\u7edf\u901a\u5e38\u4ee5\u7ebf\u6570TVL\u6765\u6700\u4e3a\u8fa8\u8bc6\u7387\uff0cIP\u7f51\u8def\u6444\u50cf\u673a\u5219\u4ee5\u753b\u7d20Pixel\u6765\u505a\u4e3a\u8fa8\u8bc6\u7387\u7684\u8bf4\u6cd5.\u800c\u9ad8\u6e05720P\u4e0e\u5168\u9ad8\u6e051080i\/P\u5219\u662f\u6765\u81ea\u5e7f\u7535HDTV\u7684\u8fa8\u8bc6\u7387\u8bb2\u6cd5.\u4e0e\u8fa8\u8bc6\u7387\u76f8\u5173\u8054\u7684\u4ea7\u54c1\u8fd8\u6709\u955c\u5934lens\u3001\u663e\u793a\u5668monitor\uff0c\u8fa8\u8bc6\u7387\u5fc5\u987b\u7531\u524d\u7aef\u4e00\u8def\u5f80\u540e\u7aef\u9012\u589e\uff0c\u5982 camera 130\u4e07\u753b\u7d20\uff0c\u90a3\u955c\u5934lens & monitor\u6700\u597d\u6709200\u4e07\u4ee5\u4e0a\u8fa8\u8bc6\u7387\u80fd\u529b\uff0c\u624d\u4e0d\u81f3\u4e8e\u5f71\u54cd\u753b\u9762\u663e\u793a\u54c1\u8d28\u3002<\/p>\n

\u6700\u4f4e\u7167\u5ea6 lux\u91cd\u5e86\u5c0f\u533a\u7535\u68af\u76d1\u63a7\u5b89\u88c5http:\/\/cq.anfangjishu.com\/<\/p>\n

\u5f53\u5916\u90e8\u5149\u7ebf\u964d\u5230\u5f88\u4f4e\uff0c\u8fdb\u6765\u5149\u5b50\u6240\u4ea7\u751f\u5f97\u7535\u538b\u4f4e\u4e8e\u6742\u8baf\uff0c\u4fe1\u53f7\u5c31\u88ab\u6742\u8baf\u76d6\u6389\u3002Sensor\u6240\u80fd\u611f\u5e94\u5230\u6700\u5c0f\u7684\u5149\u4eae\u5c31\u79f0\u6700\u4f4e\u7167\u5ea6\u3002<\/p>\n

IRE\u4e3a\u7167\u5ea6\u8861\u91cf\u6807\u51c6\uff0c30 IRE 0.5 lux\u300120 IRE 0.2 lux\u3001\u2026<\/p>\n

\u7406\u60f3lens\uff0cF=1.0\uff0c\u5b9e\u9645\u4e0aF=1.2~1.4\u4ee5\u4e0a\uff0c\u6240\u4ee5\u955c\u5934\u8fd8\u4f1a\u5403\u6389\u4e00\u4e9b\u5149\u3002<\/p>\n

\u52a8\u6001\u8303\u56f4\uff1a\u540c\u65f6\u4ece\u6700\u4eae\u5230\u6700\u6697\u90fd\u770b\u7684\u5230\u7684\u5f71\u50cf\u8303\u56f4\u79f0\u4e3a\u52a8\u6001\u8303\u56f4<\/p>\n

\u52a8\u6001\u8303\u56f4\u4e3a200 (1 lux \uff5e 200 lux)= 46 dB<\/p>\n

\u52a8\u6001\u8303\u56f4\u4e3a400 (1 lux \uff5e 400 lux)= 52 dB<\/p>\n

\u4ee5 52 dB\u4e3a\u4f8b\uff0c\u5916\u754c2000 lux\uff0c\u53ef\u4ee5\u7f29\u5c0f\u5149\u5708\u4f7f\u5185\u90e8\u611f\u5149\u8fd8\u662f400\uff0c\u4f46\u662f\u5916\u754c\u4f4e\u4e8e1 lux\u7684\u5730\u65b9\u53ea\u5269 0.2 lux\uff0csensor\u5c31\u6293\u4e0d\u5230\u4e86\u3002<\/p>\n

\u8fd9\u65f6\uff0c\u4ee5\u4e24\u6b21\u66dd\u5149\u65f6\u95f4\uff0c\u5206\u522b\u62cd\u4e24\u5f20\u753b\u9762\u3002\u518d\u5206\u522b\u53d6\u6070\u5f53\u5f97\u90e8\u5206\u5408\u6210\u4e3a\u4e00\u5f20\u6211\u4eec\u8981\u7684\u753b\u9762\u3002<\/p>\n

\u8272\u5f69\u8fd8\u539f\u5ea6<\/p>\n

\u4e0e\u4eba\u7684\u773c\u775b\u63a5\u8fd1\u7a0b\u5ea6\u3002\u4e00\u822c\u53ef\u4ee5\u89c1\u5230Panasonic\u4ea7\u54c1\u5f71\u50cf\u504f\u7ea2\u3001SONY\u5219\u504f\u84dd\uff0c\u4f46\u5404\u81ea\u7684DSP\u90fd\u4f1a\u505a\u8865\u507f\u4fee\u6b63\u3002\u8fd9\u5f53\u7136\u4e5f\u4e0e\u767d\u5e73\u8861\u6709\u5f88\u5927\u7684\u642d\u914d\u5173\u7cfb\u5b58\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u518d\u4e0b\u6b21\u5f00\u8bb2\u518d\u8c08\u3002<\/p>\n

\u6311\u9009\u4efb\u4f55\u4e00\u79cd\u4e13\u4e1a\u6444\u50cf\u673a\u65f6\uff0c\u90fd\u53ef\u4ee5\u5148\u770b\u8fd9\u4e94\u4e2a\u90e8\u4efd\u6761\u4ef6\u505a\u57fa\u672c\u9009\u578b\u53c2\u8003\u3002\u53ea\u662f\u8981\u6ce8\u610f\u662f\u4e13\u4e1a\u90e8\u5206\u8981\u62ff\u51fa\u6765\u7279\u522b\u8003\u91cf\u3002\u4f8b\u5982\u60f3\u8981\u6709\u5bbd\u52a8\u6001WDR Camera\uff0c\u90a3\u5728\u8bc4\u4f30\u4e0a\u5c31\u5c06\u91cd\u70b9\u653e\u5728 WDR\u4e0a\u4e3a\u4e3b\uff0c\u4e0d\u8981\u5c06\u6ca1\u6709WDR\u7684\u5176\u4ed6\u6444\u50cf\u673a\u62ff\u6765\u4e00\u8d77\u6bd4\uff0c\u90a3\u4e0d\u5e73\u8861\u4e5f\u5931\u53bb\u6bd4\u8f83\u610f\u4e49\u3002<\/p>\n

Low lux \u3001Day and Night \u3001IR\u4f4e\u5149\uff0c\u65e5\u591c\u4e0e\u7ea2\u5916\u662f\u4e2a\u522b\u7684\u4e8b<\/p>\n

\u6709 IR Cutter\u7684\u53eb True day and night\uff0c\u767d\u5929\uff0c\u5149\u7ebf\u8db3\u7528 blue filter\u6ee4\u6389\u7ea2\u5916\u7ebf\uff0c\u4f7f\u753b\u9762\u4e0d\u4f1a\u504f\u7ea2\uff0c\u4e14\u6bd4\u8f83\u6e05\u6670\u3002\u665a\u4e0a\u79fb\u8d70filter\uff0c\u7ea2\u5916\u5149\u65e0\u8272\u3001\u6240\u4ee5\u8f6c\u4e3a\u9ed1\u767d\uff0c\u4ee5\u770b\u6e05\u695a\u4e3a\u539f\u5219\u3002<\/p>\n

\u4e00\u822c\u7684 day and night\uff0c\u4ee5\u955c\u5934\u4e0a\u52a0\u4e00\u5c42\u9540\u819c\uff0c\u53ef\u89c1\u5149\u8fdb\u6765\u3001\u540c\u65f6\u7ea2\u5916\u7684\u90e8\u4efd(850\uff5e 940\u6ce2\u957f)\u8fdb\u6765\uff0c\u7f3a\u70b9\u662f\uff1a\u6dfb\u8272\u5f69\u9971\u548c\u4e0d\u591f\u3001\u665a\u4e0a\u7ea2\u5916\u5149\u8fdb\u6765\u4e0d\u591f\u3002 \u4f46\u662f\u4ef7\u683c\u4fbf\u5b9c\u3001\u53c8\u4e0d\u4f1a\u6709\u673a\u4ef6\u6613\u635f\u574f\u7684\u95ee\u9898(IR cutter\u79fb\u52a8\u63a7\u5236\u7684\u673a\u68b0\u52a8\u4f5c)\u3002<\/p>\n

Low lux\uff1a\u6709\u4e9b\u5730\u65b9\u65e0\u6cd5\u4e3b\u52a8\u6295\u5c04\u7ea2\u5916\u5149\uff0c\u5982\u6d77\u5cb8\u89c2\u5bdf\u3001\u5927\u5730\u89c2\u6d4b\uff0c\u5fc5\u987b\u4f9d\u9760\u81ea\u7136\u5149\u6e90\uff0c\u6b64\u65f6\u5c31\u9700\u4f4e\u7167\u5ea6\u3002\u53cd\u4e4b\uff0c\u53ef\u4ee5\u4e3b\u52a8\u6295\u5c04IR\u5149\u7684\uff0c\u5c31\u53ef\u7528IR Cam\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"

\u6709\u4e9b\u521d\u5165\u5b89\u9632\u4e1a\u8005\u60f3\u77e5\u9053\u4e00\u4e9b\u57fa\u672c\u7684\u6444\u50cf\u673a\u89c4\u683c\u6761\u4ef6\u8ddf\u9009\u578b\u5173\u7cfb\uff0c\u4eca\u5929\u5f00\u59cb\u6211\u4eec\u5c31\u4ece\u7f51\u8def\u76d1\u63a7IT\u95ee\u9898\u8df3\u5230\u6bd4\u8f83\u5355\u7eaf\u7684\u76d1\u63a7\u4ea7 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3361","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/posts\/3361","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/comments?post=3361"}],"version-history":[{"count":1,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/posts\/3361\/revisions"}],"predecessor-version":[{"id":3362,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/posts\/3361\/revisions\/3362"}],"wp:attachment":[{"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/media?parent=3361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/categories?post=3361"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cq.anfangjishu.com\/cqjiankong\/wp-json\/wp\/v2\/tags?post=3361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}