{"id":20599,"date":"2023-10-03T05:53:16","date_gmt":"2023-10-02T21:53:16","guid":{"rendered":"https:\/\/www.techphant.cn\/?p=20599"},"modified":"2023-09-17T10:24:27","modified_gmt":"2023-09-17T02:24:27","slug":"btlyplyhbt","status":"publish","type":"post","link":"https:\/\/www.techphant.cn\/blog\/20599.html","title":{"rendered":"\u6ce2\u7279\u7387\u4e0e\u9891\u7387\u6709\u4f55\u4e0d\u540c"},"content":{"rendered":"

  \u6ce2\u7279\u7387\u548c\u9891\u7387\u662f\u8bb8\u591a\u79d1\u5b66\u548c\u6280\u672f\u9886\u57df\u4e2d\u5e38\u89c1\u7684\u672f\u8bed\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u6709\u7740\u672c\u8d28\u7684\u533a\u522b\u3002\u6ce2\u7279\u7387\u63cf\u8ff0\u7684\u662f\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u800c\u9891\u7387\u63cf\u8ff0\u7684\u662f\u4fe1\u53f7\u7684\u5468\u671f\u6027\u53d8\u5316\u7684\u901f\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6ce2\u7279\u7387\u548c\u9891\u7387\u7684\u672c\u8d28\u533a\u522b\uff0c\u4ee5\u53ca\u5b83\u4eec\u5728\u7535\u5b50\u901a\u4fe1\u548c\u5176\u4ed6\u6280\u672f\u9886\u57df\u7684\u5e94\u7528\u3002<\/p>\n

\u6ce2\u7279\u7387<\/h2>\n

  \u6ce2\u7279\u7387\uff08Baud Rate\uff09\u662f\u4e00\u79cd\u8861\u91cf\u6570\u636e\u4f20\u8f93\u901f\u7387\u7684\u6280\u672f\u672f\u8bed\uff0c\u5355\u4f4d\u662f\u6bd4\u7279\/\u79d2\uff08bps\uff09\u3002\u5b83\u63cf\u8ff0\u7684\u662f\u6bcf\u79d2\u53ef\u4ee5\u4f20\u8f93\u591a\u5c11\u4f4d\uff08\u6bd4\u7279\uff09\u7684\u6570\u636e\uff0c\u901a\u5e38\u7528\u4e8e\u8ba1\u7b97\u7f51\u7edc\u6216\u7535\u5b50\u901a\u4fe1\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n

  \u6ce2\u7279\u7387\u662f\u4e00\u4e2a\u7edd\u5bf9\u503c\uff0c\u5b83\u8868\u793a\u6bcf\u79d2\u53ef\u4ee5\u4f20\u8f93\u7684\u6bd4\u7279\u6570\uff0c\u800c\u4e0d\u8003\u8651\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7cfb\u7edf\u7684\u6ce2\u7279\u7387\u4e3a9600 bps\uff0c\u8fd9\u610f\u5473\u7740\u6bcf\u79d2\u53ef\u4ee5\u4f20\u8f939600\u4f4d\uff0c\u65e0\u8bba\u662f\u6587\u5b57\u3001\u56fe\u50cf\u8fd8\u662f\u89c6\u9891\uff0c\u90fd\u53ef\u4ee5\u88ab\u4f20\u8f93\u3002<\/p>\n

\u6ce2\u7279\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n

  \u6ce2\u7279\u7387\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u4fe1\u53f7\u7684\u9891\u7387\u6765\u8ba1\u7b97\u3002\u5982\u679c\u4fe1\u53f7\u7684\u9891\u7387\u4e3af\uff0c\u90a3\u4e48\u6ce2\u7279\u7387\u5c31\u662ff x 2n\uff0c\u5176\u4e2dn\u4e3a\u4fe1\u53f7\u7684\u4f4d\u6570\uff0c\u6bd4\u59824\u4f4d\u30018\u4f4d\u621616\u4f4d\u7b49\u3002<\/p>\n

  \u4f8b\u5982\uff0c\u5982\u679c\u4fe1\u53f7\u7684\u9891\u7387\u4e3a1200 Hz\uff0c\u800c\u4fe1\u53f7\u7684\u4f4d\u6570\u4e3a8\u4f4d\uff0c\u90a3\u4e48\u6ce2\u7279\u7387\u5c31\u662f1200 x 28 = 9600 bps\u3002<\/p>\n

\u6ce2\u7279\u7387\u7684\u5e94\u7528<\/h3>\n

  \u6ce2\u7279\u7387\u7528\u4e8e\u8ba1\u7b97\u7f51\u7edc\u6216\u7535\u5b50\u901a\u4fe1\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u8fd9\u4e9b\u7cfb\u7edf\u5305\u62ec\u7f51\u7edc\u7edc\u3001\u7535\u8bdd\u7ebf\u3001\u536b\u661f\u901a\u4fe1\u7cfb\u7edf\u7b49\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u8ba1\u7b97\u673a\u7684\u4e32\u884c\u7aef\u53e3\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f8b\u5982RS-232\u3001RS-485\u7b49\u3002<\/p>\n

\u9891\u7387<\/h2>\n

  \u9891\u7387\uff08Frequency\uff09\u662f\u4e00\u79cd\u8861\u91cf\u4fe1\u53f7\u5468\u671f\u6027\u53d8\u5316\u7684\u901f\u7387\u7684\u6280\u672f\u672f\u8bed\uff0c\u5355\u4f4d\u662f\u8d6b\u5179\uff08Hz\uff09\u3002\u5b83\u63cf\u8ff0\u7684\u662f\u4fe1\u53f7\u5728\u4e00\u79d2\u5185\u53d1\u751f\u51e0\u6b21\u53d8\u5316\uff0c\u901a\u5e38\u7528\u4e8e\u8ba1\u7b97\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u4ee5\u53ca\u7535\u5b50\u901a\u4fe1\u548c\u5176\u4ed6\u6280\u672f\u9886\u57df\u4e2d\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n

  \u9891\u7387\u662f\u4e00\u4e2a\u76f8\u5bf9\u503c\uff0c\u5b83\u8868\u793a\u5728\u4e00\u79d2\u5185\u4fe1\u53f7\u53d1\u751f\u7684\u6b21\u6570\uff0c\u800c\u4e0d\u8003\u8651\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u4fe1\u53f7\u7684\u9891\u7387\u4e3a1200 Hz\uff0c\u8fd9\u610f\u5473\u7740\u5728\u4e00\u79d2\u5185\u8be5\u4fe1\u53f7\u53d1\u751f1200\u6b21\u53d8\u5316\uff0c\u65e0\u8bba\u662f\u6587\u5b57\u3001\u56fe\u50cf\u8fd8\u662f\u89c6\u9891\uff0c\u90fd\u53ef\u4ee5\u88ab\u4f20\u8f93\u3002<\/p>\n

\u9891\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5<\/h3>\n

  \u9891\u7387\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u4fe1\u53f7\u7684\u6ce2\u7279\u7387\u6765\u8ba1\u7b97\u3002\u5982\u679c\u4fe1\u53f7\u7684\u6ce2\u7279\u7387\u4e3aB\uff0c\u90a3\u4e48\u9891\u7387\u5c31\u662fB \u00f7 2n\uff0c\u5176\u4e2dn\u4e3a\u4fe1\u53f7\u7684\u4f4d\u6570\uff0c\u6bd4\u59824\u4f4d\u30018\u4f4d\u621616\u4f4d\u7b49\u3002<\/p>\n

  \u4f8b\u5982\uff0c\u5982\u679c\u4fe1\u53f7\u7684\u6ce2\u7279\u7387\u4e3a9600 bps\uff0c\u800c\u4fe1\u53f7\u7684\u4f4d\u6570\u4e3a8\u4f4d\uff0c\u90a3\u4e48\u9891\u7387\u5c31\u662f9600 \u00f7 28 = 1200 Hz\u3002<\/p>\n

\u9891\u7387\u7684\u5e94\u7528<\/h3>\n

  \u9891\u7387\u7528\u4e8e\u8ba1\u7b97\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u4ee5\u53ca\u7535\u5b50\u901a\u4fe1\u548c\u5176\u4ed6\u6280\u672f\u9886\u57df\u4e2d\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8ba1\u7b97\u8ba1\u7b97\u673a\u7684\u4e32\u884c\u7aef\u53e3\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u4f8b\u5982RS-232\u3001RS-485\u7b49\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u6ce2\u7279\u7387\u548c\u9891\u7387\u662f\u8bb8\u591a\u79d1\u5b66\u548c\u6280\u672f\u9886\u57df\u4e2d\u5e38\u89c1\u7684\u672f\u8bed\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u6709\u7740\u672c\u8d28\u7684\u533a\u522b\u3002\u6ce2\u7279\u7387\u63cf\u8ff0\u7684\u662f\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u800c\u9891\u7387\u63cf\u8ff0\u7684\u662f\u4fe1\u53f7\u7684\u5468\u671f\u6027\u53d8\u5316\u7684\u901f\u7387\u3002\u6ce2\u7279\u7387\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u4fe1\u53f7\u7684\u9891\u7387\u6765\u8ba1\u7b97\uff0c\u800c\u9891\u7387\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u4fe1\u53f7\u7684\u6ce2\u7279\u7387\u6765\u8ba1\u7b97\u3002\u6ce2\u7279\u7387\u7528\u4e8e\u8ba1\u7b97\u7f51\u7edc\u6216\u7535\u5b50\u901a\u4fe1\u7cfb\u7edf\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u800c\u9891\u7387\u7528\u4e8e\u8ba1\u7b97\u4fe1\u53f7\u7684\u9891\u7387\uff0c\u4ee5\u53ca\u7535\u5b50\u901a\u4fe1\u548c\u5176\u4ed6\u6280\u672f\u9886\u57df\u4e2d\u4fe1\u53f7\u7684\u4f20\u8f93\u548c\u63a5\u6536\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6ce2\u7279\u7387\u548c\u9891\u7387\u662f\u8bb8\u591a\u79d1\u5b66\u548c\u6280\u672f\u9886\u57df\u4e2d\u5e38\u89c1\u7684\u672f\u8bed\uff0c\u4f46\u5b83\u4eec\u4e4b\u95f4\u6709\u7740\u672c\u8d28\u7684\u533a\u522b\u3002\u6ce2\u7279\u7387\u63cf\u8ff0\u7684\u662f\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u800c\u9891\u7387\u63cf\u8ff0\u7684\u662f\u4fe1\u53f7\u7684\u5468\u671f\u6027\u53d8\u5316\u7684\u901f\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u6ce2\u7279\u7387\u548c\u9891<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[36],"tags":[281,175],"class_list":["post-20599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-baud-rate","tag-btl"],"_links":{"self":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20599"}],"collection":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/comments?post=20599"}],"version-history":[{"count":0,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/posts\/20599\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/media?parent=20599"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/categories?post=20599"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.techphant.cn\/wp-json\/wp\/v2\/tags?post=20599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}