{"id":126,"date":"2026-04-03T16:02:13","date_gmt":"2026-04-03T08:02:13","guid":{"rendered":"https:\/\/granddream.top\/?p=126"},"modified":"2026-04-03T16:02:13","modified_gmt":"2026-04-03T08:02:13","slug":"%f0%9f%9a%80-%e4%bb%bb%e5%8a%a1%e5%9b%9e%e9%a1%be%e4%b8%8e%e8%b8%a9%e5%9d%91%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/granddream.top\/index.php\/2026\/04\/03\/%f0%9f%9a%80-%e4%bb%bb%e5%8a%a1%e5%9b%9e%e9%a1%be%e4%b8%8e%e8%b8%a9%e5%9d%91%e8%ae%b0%e5%bd%95\/","title":{"rendered":"\ud83d\ude80 \u4efb\u52a1\u56de\u987e\u4e0e\u8e29\u5751\u8bb0\u5f55"},"content":{"rendered":"\n<p><strong>\u6838\u5fc3\u4efb\u52a1<\/strong>\uff1a\u4e3a\u60a8\u57fa\u4e8e ESP32-S3 \u548c KS1081 \u91c7\u96c6\u7684\u539f\u59cb\u5fc3\u7535\uff08ECG\uff09\u4fe1\u53f7\u6dfb\u52a0 DSP \u7b97\u6cd5\u6ee4\u6ce2\uff0c\u53bb\u9664\u5e72\u6270\uff0c\u4ee5\u4f9b\u4e0a\u4f4d\u673a\u7ed8\u5236\u6e05\u6670\u771f\u5b9e\u7684\u6ce2\u5f62\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7f16\u8bd1\u5668 Bug \u89c4\u907f\u4e0e\u964d\u7ea7\u5904\u7406<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u95ee\u9898<\/strong>\uff1a\u5728\u5f15\u5165\u00a0<code>espressif\/esp-dsp<\/code>\u00a0\u5b98\u65b9\u7ec4\u4ef6\u65f6\uff0c\u60a8\u7684\u672c\u5730\u7f16\u8bd1\u5668\u53d1\u751f\u4e86\u6838\u5fc3\u7ea7\u5d29\u6e83\uff08GCC 15.2.0 ICE: Segfault\uff09\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u51b3<\/strong>\uff1a\u679c\u65ad\u629b\u5f03\u7b2c\u4e09\u65b9\u5e93\u9ed1\u76d2\uff0c\u6539\u4e3a\u5728\u00a0<code>main.c<\/code>\u00a0\u4e2d\u76f4\u63a5\u4f7f\u7528\u7eaf C \u4ee3\u7801\u5199\u51fa\u539f\u751f\u7684\u6ed1\u52a8\u7a97\u53e3\u548c\u4e8c\u9636\u5dee\u5206\u65b9\u7a0b\uff0c\u6210\u529f\u907f\u5f00\u4e86\u7f16\u8bd1\u5668 Bug\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5bc4\u5b58\u5668\u6ea2\u51fa\u5bfc\u81f4\u7684\u201c\u6ce2\u5f62\u76f4\u7ebf\u6b7b\u4ea1\u201d\u4e8b\u4ef6<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u95ee\u9898<\/strong>\uff1a\u90e8\u7f72\u7a0b\u5e8f\u540e\u4e0a\u4f4d\u673a\u7684\u7ea2\u7ebf\u4e00\u5f00\u59cb\u75af\u72c2\u4e0b\u8df3\uff0c\u968f\u540e\u53d8\u6210\u6b7b\u6b7b\u4e0d\u53d8\u7684\u76f4\u7ebf\u3002<\/li>\n\n\n\n<li><strong>\u539f\u56e0<\/strong>\uff1aESP-DSP \u7684\u9677\u6ce2\u51fd\u6570\u9700\u8981\u63a5\u6536\u00a0<strong>\u5f52\u4e00\u5316\u9891\u7387<\/strong>\uff0850Hz \/ 250Hz = 0.2\uff09\uff0c\u4f46\u6211\u9519\u8bef\u5730\u585e\u5165\u4e86\u539f\u59cb\u503c\u00a0<code>250<\/code>\u3002\u8fd9\u5bfc\u81f4\u4e09\u89d2\u51fd\u6570\uff08Sin\/Cos\uff09\u751f\u6210\u4e86\u707e\u96be\u6027\u7684\u6ee4\u6ce2\u5668\u7cfb\u6570\uff0c\u4fe1\u53f7\u91cf\u77ac\u95f4\u653e\u5927\u4e86\u6570\u4e07\u500d\u5bfc\u81f4\u6d6e\u70b9\u6570\u8fd0\u7b97\u8d8a\u754c\u5f97\u5230\u00a0<code>NaN<\/code>\u00a0\u4e71\u7801\uff0c\u4f20\u56de\u4e0a\u4f4d\u673a\u5448\u73b0\u4e3a\u6b7b\u9501\u6b7b\u7ebf\u3002<\/li>\n\n\n\n<li><strong>\u89e3\u51b3<\/strong>\uff1a\u624b\u52a8\u5229\u7528 Python \u4fee\u6b63\u7cfb\u6570\u5e76\u56fa\u5316\u5728\u4ee3\u7801\u4e2d\uff0c\u786e\u4fdd\u4e86\u7edd\u5bf9\u7684\u5b89\u5168\u548c\u7a33\u5b9a\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4e71\u7801\u73b0\u8c61\u8ba4\u77e5<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u7ec8\u7aef\u91cc\u00a0<code>idf_monitor.py<\/code>\u00a0\u51fa\u73b0\u7684\u7c7b\u4f3c\u4e8e\u00a0<code>.l @<\/code>\u00a0\u7b49\u4e71\u7801\u662f<strong>\u6b63\u5e38\u7684<\/strong>\u3002\u56e0\u4e3a\u4e3a\u4e86\u914d\u5408\u4e0a\u4f4d\u673a\uff0cESP32 \u6b63\u5728\u901a\u8fc7 UART \u53d1\u9001\u9ad8\u6548\u7387\u7684\u5341\u516d\u8fdb\u5236\u7eaf\u4e8c\u8fdb\u5236\u6d41\u5e27\uff08\u4ee5\u00a0<code>0xFF<\/code>\u00a0\u5f00\u5934\uff09\uff0c\u8fd9\u5728\u7eaf\u6587\u672c\u89e3\u6790\u5668\u773c\u91cc\u5c31\u662f\u4e71\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"user-content--\u6838\u5fc3-dsp-\u4fe1\u53f7\u5b66\u77e5\u8bc6\u70b9\u63d0\u70bc\">\ud83e\udde0 \u6838\u5fc3 DSP \u4fe1\u53f7\u5b66\u77e5\u8bc6\u70b9\u63d0\u70bc<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"user-content-1-\u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u5957\u9ec4\u91d1\u6ee4\u6ce2\u7ec4\u5408\">1. \u4e3a\u4ec0\u4e48\u9700\u8981\u8fd9\u5957\u201c\u9ec4\u91d1\u6ee4\u6ce2\u7ec4\u5408\u201d\uff1f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>50Hz \u9677\u6ce2\u5668 (Notch Filter) \u2014\u2014 \u5254\u9664\u201c\u5927\u77f3\u5934\u201d<\/strong>\uff1a \u4eba\u4f53\u76f8\u5f53\u4e8e\u4e00\u4e2a\u79fb\u52a8\u5927\u5929\u7ebf\uff0c\u6781\u6613\u5438\u6536\u5468\u56f4\u63d2\u5ea7\u548c\u7535\u706f\u7684 220V\/50Hz \u4ea4\u6d41\u7535\u78c1\u8f90\u5c04\u3002\u8fd9\u4f1a\u7ed9\u6781\u5fae\u5c0f\u7684 ECG \u53e0\u52a0\u4e0a\u5de8\u5927\u7684 50Hz \u5de5\u9891\u6ce2\u7eb9\u3002\u9677\u6ce2\u5668\u5c31\u662f\u5728 50Hz \u7684\u9891\u5e26\u4e0a\u6316\u51fa\u4e00\u4e2a\u5782\u76f4\u7684\u5751\uff0c\u5c06\u8fd9\u4e2a\u9891\u7387\u201c\u8d76\u5c3d\u6740\u7edd\u201d\u3002<\/li>\n\n\n\n<li><strong>&lt;40Hz \u4f4e\u901a\u6ee4\u6ce2 (Low-pass) \u2014\u2014 \u626b\u9664\u201c\u5c0f\u7070\u5c18\u201d<\/strong>\uff1a \u6709\u7528\u7684\u5fc3\u8df3\u4fe1\u53f7\u901a\u5e38\u5f98\u5f8a\u5728\u00a0<code>0.5 ~ 40Hz<\/code>\u3002\u9ad8\u4e8e 40Hz \u7684\u4e3b\u8981\u662f<strong>\u808c\u7535\u4fe1\u53f7<\/strong>\uff08\u4eba\u547c\u5438\u6216\u7d27\u5f20\u5bfc\u81f4\u7684\u808c\u8089\u98a4\u52a8\u7ec6\u523a\uff09\u548c\u82af\u7247\u5fae\u7535\u6d41\u786c\u4ef6\u5e95\u566a\u3002\u4f4e\u901a\u6ee4\u6ce2\u4ece 40Hz \u8d77\u753b\u51fa\u4e0b\u5761\u8def\uff0c\u9891\u7387\u8d8a\u9ad8\u963b\u788d\u8d8a\u5927\uff0c\u68b3\u7406\u6742\u4e71\u5e95\u566a\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"user-content-2-fir-\u4e0e-51\u9636-\u5230\u5e95\u662f\u4ec0\u4e48\">2. FIR \u4e0e 51\u9636 \u5230\u5e95\u662f\u4ec0\u4e48\uff1f<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>FIR\uff08\u6709\u9650\u8109\u51b2\u54cd\u5e94\uff09<\/strong>\uff1a \u7eaf\u770b\u5386\u53f2\u8f93\u5165\u7684\u201c\u6ed1\u52a8\u5e73\u5747\u7b97\u5206\u6cd5\u201d\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u5927\u4f18\u52bf\uff08\u5bf9\u4e8e\u5fc3\u7535\u56fe\u81f4\u547d\u91cd\u8981\uff09<\/strong>\uff1a<strong>\u7ebf\u6027\u76f8\u4f4d<\/strong>\u3002\u6240\u6709\u9891\u7387\u4e0d\u7ba1\u901a\u8fc7\u8be5\u6ee4\u6ce2\u5668\u6162\u4e86\u591a\u5c11\uff0c\u6162\u7684\u65f6\u95f4\u5168\u90fd\u662f\u4e00\u81f4\u7684\u3002\u56e0\u6b64\u5fc3\u810f QRS \u6ce2\u578b\u7684\u5c16\u5cf0\u548c\u95f4\u9694\u65f6\u95f4\u5f62\u72b6\u4e0d\u4f1a\u6709\u4e00\u4e1d\u4e00\u6beb\u7684\u626d\u66f2\u53d8\u5f62\uff08\u4fdd\u771f\u5ea6\u6781\u9ad8\uff09\uff01<\/li>\n\n\n\n<li><strong>\u4e3a\u4f55\u53eb\u201c\u6709\u9650\u201d<\/strong>\uff1a\u56e0\u4e3a\u5b83\u4e0d\u5305\u542b\u53cd\u9988\u516c\u5f0f\uff0c\u4e00\u65e6\u4e00\u4e2a\u7cdf\u7cd5\u306e\u6781\u7aef\u7535\u5e73\uff08\u6bd4\u5982\u62cd\u4e86\u4e00\u4e0b\u4f20\u611f\u5668\uff09\u968f\u7740\u65f6\u95f4\u4f4d\u79fb\u8d85\u51fa\u4e86\u6ed1\u52a8\u7a97\u53e3\u8303\u56f4\uff0c\u5b83\u5c31\u5f7b\u5e95\u88ab\u8ba1\u7b97\u516c\u5f0f\u9057\u5fd8\u4e86\uff0c\u6c38\u4e0d\u5f71\u54cd\u672a\u6765\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>51\u9636 (Order \/ Taps)<\/strong>\uff1a \u4e5f\u5c31\u662f\u8ba1\u7b97\u5f53\u524d\u7684\u77ac\u95f4\u6ce2\u5f62\u70b9\u65f6\uff0c\u201c\u56de\u5934\u53c2\u8003\u8bb0\u5f55\u4e86\u591a\u5c11\u4e2a\u65e7\u7684\u91c7\u6837\u70b9\u201d\u3002\n<ul class=\"wp-block-list\">\n<li><strong>\u9636\u6570\u8d8a\u5927<\/strong>\uff1a\u8fc7\u6ee4\u6548\u679c\u8d8a\u597d\uff0c\u963b\u9694\u60ac\u5d16\u8d8a\u9661\u5ced\uff1b\u4f46\u5355\u7247\u673a\u7b97\u529b\u538b\u529b\u5927\uff0c\u4e14\u6ce2\u5f62\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u51fa\u6765\u7684\u5ef6\u8fdf\u5c31\u8d8a\u5927\u3002<\/li>\n\n\n\n<li><strong>51\u9636<\/strong>\uff1a\u5728\u60a8\u7684\u00a0<strong>250Hz<\/strong>\u00a0\u91c7\u6837\u7387\u8bbe\u7f6e\u4e0b\uff0c\u5b83\u662f\u4e00\u4e2a\u5b8c\u7f8e\u7684\u201c\u751c\u70b9\u4f4d\u201d\uff1a\u5e73\u6ed1\u5ea6\u8db3\u591f\uff0c\u4e14\u5ef6\u8fdf\u53ea\u6709\u4e0d\u5230\u00a0<code>0.1s<\/code>\uff0c\u5b8c\u7f8e\u5b9e\u73b0\u533b\u5b66\u7ea7\u5b9e\u65f6\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6838\u5fc3\u4efb\u52a1\uff1a\u4e3a\u60a8\u57fa\u4e8e ESP32-S3 \u548c KS1081 \u91c7\u96c6\u7684\u539f\u59cb\u5fc3\u7535\uff08ECG\uff09\u4fe1\u53f7\u6dfb\u52a0 DSP \u7b97\u6cd5\u6ee4\u6ce2\uff0c\u53bb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-126","post","type-post","status-publish","format-standard","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/posts\/126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/comments?post=126"}],"version-history":[{"count":1,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/posts\/126\/revisions"}],"predecessor-version":[{"id":127,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/posts\/126\/revisions\/127"}],"wp:attachment":[{"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/media?parent=126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/categories?post=126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/granddream.top\/index.php\/wp-json\/wp\/v2\/tags?post=126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}