{"id":475991,"date":"2023-08-09T07:25:33","date_gmt":"2023-08-09T07:25:33","guid":{"rendered":""},"modified":"2023-09-05T11:11:48","modified_gmt":"2023-09-05T11:11:48","slug":"baud-rate","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/cn\/wiki\/baud-rate\/","title":{"rendered":"\u6ce2\u7279\u7387"},"content":{"rendered":"

\u5728\u6570\u636e\u901a\u4fe1\u4e2d\uff0c\u6ce2\u7279\u7387\u662f\u6307\u6570\u5b57\u6570\u636e\u901a\u8fc7\u901a\u4fe1\u901a\u9053\u4f20\u8f93\u7684\u901f\u5ea6\u3002\u5b83\u662f\u51b3\u5b9a\u8bbe\u5907\u4e4b\u95f4\u6570\u636e\u4f20\u8f93\u6548\u7387\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u53c2\u6570\u3002\u672f\u8bed\u201c\u6ce2\u7279\u201d\u7ecf\u5e38\u9519\u8bef\u5730\u4e0e\u201c\u6bcf\u79d2\u4f4d\u6570\u201d(bps) \u4e92\u6362\u4f7f\u7528\uff0c\u4f46\u5b9e\u9645\u4e0a\uff0c\u6ce2\u7279\u7387\u8868\u793a\u6bcf\u79d2\u4fe1\u53f7\u53d8\u5316\u7684\u6570\u91cf\uff0c\u800c\u6bcf\u79d2\u4f4d\u6570\u8868\u793a\u6bcf\u79d2\u4f20\u8f93\u7684\u6570\u636e\u4f4d\u6570\u3002<\/p>\n

\u6ce2\u7279\u7387\u7684\u8d77\u6e90\u5386\u53f2\u53ca\u9996\u6b21\u63d0\u53ca<\/h2>\n

\u6ce2\u7279\u7387\u7684\u6982\u5ff5\u8d77\u6e90\u4e8e\u7535\u62a5\u7684\u65e9\u671f\uff0c\u53ef\u4ee5\u8ffd\u6eaf\u5230 19 \u4e16\u7eaa\u3002 1843\u5e74\uff0c\u6cd5\u56fd\u5de5\u7a0b\u5e08\u57c3\u7c73\u5c14\u00b7\u535a\u591a\uff08Emile Baudot\uff09\u53d1\u660e\u4e86\u535a\u591a\u7801\uff0c\u8fd9\u662f\u4e00\u79cd\u4e94\u4f4d\u4e8c\u8fdb\u5236\u7801\uff0c\u6709\u52a9\u4e8e\u7535\u62a5\u4fe1\u53f7\u7684\u4f20\u8f93\u3002\u6ce2\u7279\u7387\u6700\u521d\u662f\u7528\u6765\u6d4b\u91cf\u8fd9\u4e9b\u7535\u62a5\u4fe1\u53f7\u7684\u901f\u5ea6\uff0c\u4ee3\u8868\u7535\u62a5\u7ebf\u6bcf\u79d2\u6539\u53d8\u72b6\u6001\u7684\u6b21\u6570\u3002<\/p>\n

\u6709\u5173\u6ce2\u7279\u7387\u7684\u8be6\u7ec6\u4fe1\u606f \u2013 \u6269\u5c55\u4e3b\u9898<\/h2>\n

\u5982\u524d\u6240\u8ff0\uff0c\u6ce2\u7279\u7387\u4ee3\u8868\u6bcf\u79d2\u4fe1\u53f7\u53d8\u5316\u7684\u6b21\u6570\uff0c\u5bf9\u4e8e\u5efa\u7acb\u4e24\u4e2a\u8bbe\u5907\u4e4b\u95f4\u7684\u901a\u4fe1\u901f\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u7136\u800c\uff0c\u968f\u7740\u6280\u672f\u7684\u8fdb\u6b65\u548c\u66f4\u590d\u6742\u7684\u8c03\u5236\u6280\u672f\u7684\u5f15\u5165\uff0c\u6ce2\u7279\u7387\u548c\u6570\u636e\u901f\u7387\u4e4b\u95f4\u7684\u5173\u7cfb\u53d8\u5f97\u66f4\u52a0\u590d\u6742\u3002<\/p>\n

\u5728\u4f20\u7edf\u7684\u8c03\u5236\u65b9\u6848\u4e2d\uff0c\u4f7f\u7528\u4e00\u4e2a\u7b26\u53f7\u6765\u8868\u793a\u4e00\u4f4d\u6570\u636e\uff0c\u4f7f\u5f97\u6ce2\u7279\u7387\u548c\u6570\u636e\u901f\u7387\u76f8\u7b49\u3002\u7136\u800c\uff0c\u5229\u7528\u6b63\u4ea4\u8c03\u5e45 (QAM) \u548c\u76f8\u79fb\u952e\u63a7 (PSK) \u7b49\u66f4\u5148\u8fdb\u7684\u8c03\u5236\u6280\u672f\uff0c\u53ef\u4ee5\u5728\u5355\u4e2a\u7b26\u53f7\u4e2d\u5bf9\u591a\u4e2a\u6bd4\u7279\u8fdb\u884c\u7f16\u7801\u3002\u8fd9\u4f1a\u5bfc\u81f4\u6ce2\u7279\u7387\u548c\u5b9e\u9645\u4f20\u8f93\u7684\u6570\u636e\u901f\u7387\u4e4b\u95f4\u5b58\u5728\u5dee\u5f02\u3002<\/p>\n

\u6ce2\u7279\u7387\u7684\u5185\u90e8\u7ed3\u6784\u2014\u2014\u6ce2\u7279\u7387\u5982\u4f55\u5de5\u4f5c<\/h2>\n

\u6ce2\u7279\u7387\u7684\u5185\u90e8\u7ed3\u6784\u4e0e\u901a\u4fe1\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u8c03\u5236\u6280\u672f\u5bc6\u5207\u76f8\u5173\u3002\u53d1\u5c04\u673a\u5c06\u6570\u5b57\u6570\u636e\u7f16\u7801\u4e3a\u7b26\u53f7\uff0c\u8fd9\u4e9b\u7b26\u53f7\u4ee5\u7279\u5b9a\u7684\u6ce2\u7279\u7387\u901a\u8fc7\u901a\u4fe1\u4fe1\u9053\u4f20\u8f93\u3002\u5728\u63a5\u6536\u7aef\uff0c\u63a5\u6536\u5668\u5c06\u7b26\u53f7\u89e3\u7801\u56de\u539f\u59cb\u6570\u5b57\u6570\u636e\u3002<\/p>\n

\u6ce2\u7279\u7387\u4e3b\u8981\u7279\u6027\u5206\u6790<\/h2>\n

\u6709\u5173\u6ce2\u7279\u7387\u7684\u4e00\u4e9b\u4e3b\u8981\u7279\u6027\u548c\u6ce8\u610f\u4e8b\u9879\u5982\u4e0b\uff1a<\/p>\n

    \n
  1. \n

    \u4fe1\u566a\u6bd4 (SNR)\uff1a\u968f\u7740\u6ce2\u7279\u7387\u589e\u52a0\uff0c\u4fe1\u53f7\u6301\u7eed\u65f6\u95f4\u51cf\u5c11\uff0c\u4f7f\u4f20\u8f93\u66f4\u5bb9\u6613\u53d7\u5230\u566a\u58f0\u7684\u5f71\u54cd\u3002\u4fdd\u6301\u8db3\u591f\u7684\u4fe1\u566a\u6bd4\u5bf9\u4e8e\u53ef\u9760\u7684\u901a\u4fe1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/li>\n

  2. \n

    \u5e26\u5bbd\u8981\u6c42\uff1a\u8f83\u9ad8\u7684\u6ce2\u7279\u7387\u9700\u8981\u66f4\u5bbd\u7684\u5e26\u5bbd\uff0c\u8fd9\u53ef\u80fd\u662f\u67d0\u4e9b\u901a\u4fe1\u7cfb\u7edf\u7684\u9650\u5236\u56e0\u7d20\u3002<\/p>\n<\/li>\n

  3. \n

    \u8bef\u7801\u7387 (BER)\uff1a\u8f83\u9ad8\u7684\u6ce2\u7279\u7387\u4f1a\u5bfc\u81f4\u8bef\u7801\u7387\u589e\u52a0\uff0c\u5c24\u5176\u662f\u5728\u5608\u6742\u7684\u901a\u4fe1\u901a\u9053\u4e2d\u3002<\/p>\n<\/li>\n

  4. \n

    \u517c\u5bb9\u6027\uff1a\u53d1\u9001\u5668\u548c\u63a5\u6536\u5668\u5fc5\u987b\u4ee5\u76f8\u540c\u7684\u6ce2\u7279\u7387\u8fd0\u884c\u624d\u80fd\u6210\u529f\u4f20\u8f93\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u6ce2\u7279\u7387\u7c7b\u578b<\/h2>\n

    \u6ce2\u7279\u7387\u7684\u7c7b\u578b\u53ef\u4ee5\u6839\u636e\u5176\u5728\u5404\u79cd\u901a\u4fe1\u6807\u51c6\u4e2d\u7684\u5e38\u89c1\u7528\u9014\u8fdb\u884c\u5206\u7c7b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u6ce2\u7279\u7387\u53ca\u5176\u76f8\u5e94\u7684\u6570\u636e\u901f\u7387\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
    \u6ce2\u7279\u7387<\/th>\n\u6570\u636e\u901f\u7387 (bps)<\/th>\n<\/tr>\n<\/thead>\n
    300<\/td>\n300<\/td>\n<\/tr>\n
    1200<\/td>\n1200<\/td>\n<\/tr>\n
    2400<\/td>\n2400<\/td>\n<\/tr>\n
    9600<\/td>\n9600<\/td>\n<\/tr>\n
    19200<\/td>\n19200<\/td>\n<\/tr>\n
    57600<\/td>\n57600<\/td>\n<\/tr>\n
    115200<\/td>\n115200<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u6ce2\u7279\u7387\u7684\u4f7f\u7528\u65b9\u6cd5\u3001\u95ee\u9898\u548c\u89e3\u51b3\u65b9\u6848<\/h2>\n

    \u6ce2\u7279\u7387\u5728\u5404\u79cd\u901a\u4fe1\u5e94\u7528\u4e2d\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\uff0c\u5305\u62ec\uff1a<\/p>\n

      \n
    1. \n

      \u4e32\u884c\u901a\u4fe1\uff1a\u6ce2\u7279\u7387\u901a\u5e38\u7528\u4e8e UART\uff08\u901a\u7528\u5f02\u6b65\u63a5\u6536\u5668\/\u53d1\u9001\u5668\uff09\u7b49\u4e32\u884c\u901a\u4fe1\u63a5\u53e3\uff0c\u4ee5\u786e\u5b9a\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u3002<\/p>\n<\/li>\n

    2. \n

      \u8c03\u5236\u89e3\u8c03\u5668\u901a\u4fe1\uff1a\u5728\u8c03\u5236\u89e3\u8c03\u5668\u901a\u4fe1\u4e2d\uff0c\u6ce2\u7279\u7387\u5b9a\u4e49\u4e86\u901a\u8fc7\u7535\u8bdd\u7ebf\u4f20\u8f93\u6570\u636e\u7684\u901f\u7387\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u7136\u800c\uff0c\u4f7f\u7528\u6ce2\u7279\u7387\u53ef\u80fd\u4f1a\u51fa\u73b0\u67d0\u4e9b\u6311\u6218\uff1a<\/p>\n

        \n
      1. \n

        \u540c\u6b65\uff1a\u63a5\u6536\u5668\u5fc5\u987b\u4e0e\u53d1\u9001\u5668\u7684\u6ce2\u7279\u7387\u7cbe\u786e\u540c\u6b65\uff0c\u624d\u80fd\u6b63\u786e\u89e3\u7801\u6570\u636e\u3002<\/p>\n<\/li>\n

      2. \n

        \u4fe1\u53f7\u5931\u771f\uff1a\u7531\u4e8e\u5e26\u5bbd\u6709\u9650\u6216\u4f20\u8f93\u635f\u4f24\uff0c\u9ad8\u6ce2\u7279\u7387\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4fe1\u53f7\u5931\u771f\u3002<\/p>\n<\/li>\n<\/ol>\n

        \u4e3a\u4e86\u5e94\u5bf9\u8fd9\u4e9b\u6311\u6218\uff0c\u91c7\u7528\u4e86\u7ea0\u9519\u7801\u548c\u4fe1\u53f7\u5747\u8861\u7b49\u6280\u672f\u3002<\/p>\n

        \u4e3b\u8981\u7279\u70b9\u53ca\u540c\u7c7b\u4ea7\u54c1\u6bd4\u8f83<\/h2>\n\n\n\n\n\n\n\n
        \u6ce2\u7279\u7387\u7279\u6027<\/th>\n\u4e0e BPS\uff08\u6bcf\u79d2\u4f4d\u6570\uff09\u7684\u6bd4\u8f83<\/th>\n<\/tr>\n<\/thead>\n
        \u8868\u793a\u6bcf\u79d2\u7684\u4fe1\u53f7\u53d8\u5316<\/td>\nBPS\u8868\u793a\u6bcf\u79d2\u4f20\u8f93\u7684\u6570\u636e\u4f4d\u6570<\/td>\n<\/tr>\n
        \u7528\u4e8e\u786e\u5b9a\u6570\u636e\u4f20\u8f93\u901f\u5ea6<\/td>\nBPS \u53ef\u4ee5\u4e92\u6362\u4f7f\u7528\uff0c\u4f46\u9519\u8bef\u5730\u6307\u6ce2\u7279\u7387<\/td>\n<\/tr>\n
        \u5bf9\u4e8e\u4e32\u884c\u901a\u4fe1\u4e2d\u7684\u540c\u6b65\u81f3\u5173\u91cd\u8981<\/td>\nBPS\u5bf9\u4e8e\u8861\u91cf\u6570\u636e\u4f20\u8f93\u6548\u7387\u81f3\u5173\u91cd\u8981<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u4e0e\u6ce2\u7279\u7387\u76f8\u5173\u7684\u89c2\u70b9\u548c\u672a\u6765\u6280\u672f<\/h2>\n

        \u968f\u7740\u6570\u636e\u901a\u4fe1\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u6ce2\u7279\u7387\u4ecd\u5c06\u662f\u4f18\u5316\u901a\u4fe1\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u3002\u672a\u6765\u7684\u6280\u672f\u53ef\u80fd\u4fa7\u91cd\u4e8e\u6539\u8fdb\u8c03\u5236\u6280\u672f\uff0c\u4ee5\u9002\u5e94\u66f4\u9ad8\u7684\u6570\u636e\u901f\u7387\uff0c\u540c\u65f6\u4fdd\u6301\u53ef\u9760\u7684\u4f20\u8f93\u3002<\/p>\n

        \u5982\u4f55\u4f7f\u7528\u4ee3\u7406\u670d\u52a1\u5668\u6216\u5982\u4f55\u5c06\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u6ce2\u7279\u7387\u5173\u8054<\/h2>\n

        \u4ee3\u7406\u670d\u52a1\u5668\u5145\u5f53\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4e2d\u4ecb\uff0c\u589e\u5f3a\u9690\u79c1\u6027\u3001\u5b89\u5168\u6027\u548c\u6027\u80fd\u3002\u867d\u7136\u4ee3\u7406\u670d\u52a1\u5668\u4e0e\u6ce2\u7279\u7387\u6ca1\u6709\u76f4\u63a5\u5173\u7cfb\uff0c\u4f46\u53ef\u4ee5\u95f4\u63a5\u5f71\u54cd\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u3002\u901a\u8fc7\u9009\u62e9\u5177\u6709\u9ad8\u901f\u8fde\u63a5\u548c\u4f4e\u5ef6\u8fdf\u7684\u9002\u5f53\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u7528\u6237\u53ef\u4ee5\u5728\u6570\u636e\u901a\u4fe1\u4e2d\u4f53\u9a8c\u5230\u66f4\u9ad8\u7684\u6ce2\u7279\u7387\u3002<\/p>\n

        \u76f8\u5173\u94fe\u63a5<\/h2>\n

        \u6709\u5173\u6ce2\u7279\u7387\u548c\u76f8\u5173\u4e3b\u9898\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8bbf\u95ee\u4ee5\u4e0b\u8d44\u6e90\uff1a<\/p>\n

          \n
        1. \u4e86\u89e3\u6ce2\u7279\u7387\u548c\u6bd4\u7279\u7387<\/a><\/li>\n
        2. \u6ce2\u7279\u7387\u4e0e\u6bd4\u7279\u7387<\/a><\/li>\n
        3. \u8c03\u5236\u6280\u672f\u7b80\u4ecb<\/a><\/li>\n<\/ol>","protected":false},"featured_media":475992,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475991","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Baud Rate: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is baud rate?","answer":"

          Baud rate refers to the speed at which digital data is transmitted over a communication channel. It represents the number of signal changes per second and plays a crucial role in determining the efficiency and reliability of data transmission between devices.<\/p>"},{"question":"How did baud rate originate?","answer":"

          The concept of baud rate traces back to the early days of telegraphy in the 19th century. French engineer Emile Baudot invented the Baudot code, a five-bit binary code, which was the first use of baud rate to measure the speed of telegraph signals.<\/p>"},{"question":"How does baud rate work?","answer":"

          Baud rate is closely tied to the modulation technique used in communication systems. The transmitter encodes digital data into symbols, which are transmitted over the communication channel at a specific baud rate. The receiver then decodes these symbols back into the original data.<\/p>"},{"question":"What are the key features of baud rate?","answer":"

          Key features include signal-to-noise ratio (SNR) consideration for reliable communication, bandwidth requirements, bit error rate (BER), and the importance of compatibility between transmitter and receiver baud rates.<\/p>"},{"question":"What types of baud rates exist?","answer":"

          Various baud rates are commonly used in communication standards, including 300, 1200, 2400, 9600, 19200, 57600, and 115200. Each baud rate corresponds to a specific data rate in bits per second.<\/p>"},{"question":"How is baud rate used, and what problems may arise?","answer":"

          Baud rate is utilized in serial communication interfaces like UART and in modem communication over telephone lines. Problems can arise with synchronization and signal distortion due to high baud rates, but these can be mitigated using error correction codes and signal equalization.<\/p>"},{"question":"How does baud rate compare with bits per second (bps)?","answer":"

          Baud rate represents the number of signal changes per second, while bits per second (bps) indicates the number of data bits transmitted per second. Though often used interchangeably, they are not the same and serve different purposes in data communication.<\/p>"},{"question":"What are the future perspectives of baud rate?","answer":"

          As technology advances, baud rate will continue to be crucial in optimizing communication performance. Future technologies may focus on improving modulation techniques to accommodate higher data rates while ensuring reliable transmission.<\/p>"},{"question":"How are proxy servers associated with baud rate?","answer":"

          Proxy servers act as intermediaries, enhancing data privacy, security, and performance. Although not directly related, choosing the right proxy server can indirectly impact data transmission speed and improve baud rates in communication.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/475991","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/wiki\/475991\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media\/475992"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/cn\/wp-json\/wp\/v2\/media?parent=475991"}],"curies":[{"name":"\u53ef\u6e7f\u6027\u7c89\u5242","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}