{"id":20184,"date":"2026-09-21T09:55:05","date_gmt":"2026-09-20T23:55:05","guid":{"rendered":"https:\/\/geoffreychen.com\/signal-to-noise-ratio-separates-useful-variation-from-interference\/"},"modified":"2026-10-10T19:40:18","modified_gmt":"2026-10-10T08:40:18","slug":"signal-to-noise-ratio-separates-useful-variation-from-interference","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/signal-to-noise-ratio-separates-useful-variation-from-interference\/","title":{"rendered":"\u4fe1\u566a\u6bd4\uff1a\u4e3a\u4ec0\u4e48\u4fe1\u606f\u66f4\u591a\u53cd\u800c\u53ef\u80fd\u66f4\u96be\u5224\u65ad\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/signal-to-noise-ratio-separates-useful-variation-from-interference\/71762994838762aa08e2cfdd.jpg?w=1140&#038;ssl=1\" alt=\"\u4fe1\u566a\u6bd4\uff1a\u4e3a\u4ec0\u4e48\u4fe1\u606f\u66f4\u591a\u53cd\u800c\u53ef\u80fd\u66f4\u96be\u5224\u65ad\uff1f\" loading=\"lazy\"><\/p>\n<p>\u4fe1\u566a\u6bd4\u63cf\u8ff0\u7684\u4e0d\u662f\u4fe1\u606f\u6709\u591a\u5c11\uff0c\u800c\u662f\u4e0e\u5f53\u524d\u4efb\u52a1\u6709\u5173\u7684\u53d8\u5316\uff0c\u76f8\u5bf9\u4e8e\u5e72\u6270\u6709\u591a\u5bb9\u6613\u88ab\u8fa8\u8ba4\u3002<\/p>\n<p>\u5728\u5608\u6742\u5496\u5561\u9986\u5f55\u4e00\u6bb5\u8c08\u8bdd\uff0c\u670b\u53cb\u7684\u58f0\u97f3\u662f\u4fe1\u53f7\uff0c\u9910\u5177\u78b0\u649e\u548c\u90bb\u684c\u4ea4\u8c08\u662f\u566a\u58f0\u3002\u628a\u6240\u6709\u58f0\u97f3\u90fd\u653e\u5927\uff0c\u53ea\u4f1a\u8ba9\u4e24\u8005\u4e00\u8d77\u53d8\u54cd\uff1b\u771f\u6b63\u7684\u6539\u5584\u6765\u81ea\u8ba9\u76ee\u6807\u58f0\u97f3\u66f4\u7a81\u51fa\uff0c\u6216\u51cf\u5c11\u4e0e\u5b83\u7ade\u4e89\u7684\u6210\u5206\u3002\u91cd\u8981\u7684\u662f\uff0c\u4fe1\u53f7\u548c\u566a\u58f0\u4e0d\u662f\u58f0\u97f3\u81ea\u8eab\u56fa\u5b9a\u7684\u8eab\u4efd\uff1a\u82e5\u8981\u7814\u7a76\u5496\u5561\u9986\u73af\u5883\uff0c\u80cc\u666f\u58f0\u4e5f\u53ef\u80fd\u6210\u4e3a\u4fe1\u53f7\u3002<\/p>\n<p>\u8fd9\u4e2a\u6982\u5ff5\u540c\u6837\u9002\u7528\u4e8e\u6570\u636e\u3001\u5b66\u4e60\u548c\u65e5\u5e38\u5224\u65ad\u3002\u589e\u52a0\u901a\u77e5\u3001\u6307\u6807\u6216\u89e3\u91ca\uff0c\u770b\u4f3c\u63d0\u4f9b\u4e86\u66f4\u591a\u5185\u5bb9\uff0c\u5374\u53ef\u80fd\u906e\u4f4f\u51b3\u5b9a\u6240\u9700\u7684\u5c11\u6570\u5dee\u5f02\u3002\u4fe1\u566a\u6bd4\u4f4e\u4e0d\u7b49\u4e8e\u8d44\u6599\u9519\u8bef\uff0c\u4e5f\u4e0d\u540c\u4e8e\u53ef\u8bfb\u6027\u5dee\uff1a\u8d44\u6599\u53ef\u4ee5\u771f\u5b9e\u3001\u6392\u7248\u6e05\u695a\uff0c\u5374\u4ecd\u5145\u6ee1\u4e0e\u4efb\u52a1\u65e0\u5173\u7684\u53d8\u5316\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u8fc7\u6ee4\u566a\u58f0\u4e4b\u524d\u5fc5\u987b\u5148\u8bf4\u660e\u76ee\u6807\u3002\u6ca1\u6709\u76ee\u6807\uff0c\u201c\u53bb\u566a\u201d\u53ef\u80fd\u5220\u6389\u91cd\u8981\u7684\u5f02\u5e38\uff1b\u76ee\u6807\u660e\u786e\u4ee5\u540e\uff0c\u51cf\u5c11\u5e72\u6270\u624d\u4e0d\u662f\u5355\u7eaf\u8ffd\u6c42\u5b89\u9759\uff0c\u800c\u662f\u5728\u4fdd\u62a4\u53ef\u88ab\u884c\u52a8\u4f7f\u7528\u7684\u5dee\u5f02\u3002<\/p>\n<div class=\"roadly-philosophy-promotion\">\n<hr>\n<p><a href=\"https:\/\/apps.apple.com\/app\/id6815896028\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/roadly-philosophy-app-icon-1.jpg?resize=72%2C72&#038;ssl=1\" alt=\"Roadly Philosophy\" width=\"72\" height=\"72\" style=\"display:block;width:72px;height:72px;border-radius:16px;\" loading=\"lazy\"><\/a><\/p>\n<p><strong>Roadly Philosophy<\/strong><\/p>\n<p>\u60f3\u6362\u4e00\u79cd\u65b9\u5f0f\u63a5\u89e6\u54f2\u5b66\uff1f\u8bd5\u8bd5\u6211\u5f00\u53d1\u7684 iPhone \u54f2\u5b66\u6e38\u620f Roadly Philosophy\u3002<\/p>\n<p><a href=\"https:\/\/apps.apple.com\/app\/id6815896028\" aria-label=\"\u5728 App Store \u4e0b\u8f7d: Roadly Philosophy\" style=\"display:inline-block;padding:12px 0;\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/roadly-app-store-badge-zh-cn-hires.png?resize=150%2C50&#038;ssl=1\" alt=\"\u5728 App Store \u4e0b\u8f7d\" width=\"150\" height=\"50\" style=\"display:block;width:150px;height:50px;max-width:100%;border:0;\" loading=\"lazy\"><\/a><\/p>\n<\/div>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Signal-to-noise ratio asks whether task-relevant variation can be distinguished from interference; 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