https://blog.youkuaiyun.com/QTech1999zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/QTech1999/article/details/160395415https://blog.youkuaiyun.com/QTech1999/article/details/160395415QTech1999Wed, 22 Apr 2026 10:02:08 +0800https://blog.youkuaiyun.com/QTech1999/article/details/160394912https://blog.youkuaiyun.com/QTech1999/article/details/160394912QTech1999Wed, 22 Apr 2026 09:53:26 +0800https://blog.youkuaiyun.com/QTech1999/article/details/159509271https://blog.youkuaiyun.com/QTech1999/article/details/159509271QTech1999Thu, 26 Mar 2026 15:39:55 +0800https://blog.youkuaiyun.com/QTech1999/article/details/159282452https://blog.youkuaiyun.com/QTech1999/article/details/159282452QTech1999Fri, 20 Mar 2026 14:02:34 +0800https://blog.youkuaiyun.com/QTech1999/article/details/159282259https://blog.youkuaiyun.com/QTech1999/article/details/159282259QTech1999Fri, 20 Mar 2026 13:54:29 +0800 0，且 ln(X) ~ N(μ, σ²)，则 X 服从参数为 μ 和 σ 的对数正态分布。对数正态分布是一个严重右偏的分布，意即随机变量的对数服从正态分布。也就是说，如果X服从对数正态分布，则Y=ln（X）服从正态分布。X只能取正值。如果存在负值，则加上偏倚。]]>https://blog.youkuaiyun.com/QTech1999/article/details/159119222https://blog.youkuaiyun.com/QTech1999/article/details/159119222QTech1999Mon, 16 Mar 2026 14:10:54 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158730656https://blog.youkuaiyun.com/QTech1999/article/details/158730656QTech1999Fri, 06 Mar 2026 10:00:16 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158730037https://blog.youkuaiyun.com/QTech1999/article/details/158730037QTech1999Fri, 06 Mar 2026 09:49:22 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158616152https://blog.youkuaiyun.com/QTech1999/article/details/158616152QTech1999Tue, 03 Mar 2026 14:45:42 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158616105https://blog.youkuaiyun.com/QTech1999/article/details/158616105QTech1999Tue, 03 Mar 2026 14:44:26 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158421776https://blog.youkuaiyun.com/QTech1999/article/details/158421776QTech1999Thu, 26 Feb 2026 13:36:27 +0800https://blog.youkuaiyun.com/QTech1999/article/details/158384457https://blog.youkuaiyun.com/QTech1999/article/details/158384457QTech1999Wed, 25 Feb 2026 14:07:43 +0800https://blog.youkuaiyun.com/QTech1999/article/details/157802031https://blog.youkuaiyun.com/QTech1999/article/details/157802031QTech1999Fri, 06 Feb 2026 11:16:09 +0800https://blog.youkuaiyun.com/QTech1999/article/details/157551669https://blog.youkuaiyun.com/QTech1999/article/details/157551669QTech1999Fri, 30 Jan 2026 17:05:49 +0800https://blog.youkuaiyun.com/QTech1999/article/details/157550794https://blog.youkuaiyun.com/QTech1999/article/details/157550794QTech1999Fri, 30 Jan 2026 16:51:38 +0800https://blog.youkuaiyun.com/QTech1999/article/details/157247424https://blog.youkuaiyun.com/QTech1999/article/details/157247424QTech1999Thu, 22 Jan 2026 10:09:37 +0800https://blog.youkuaiyun.com/QTech1999/article/details/157247003https://blog.youkuaiyun.com/QTech1999/article/details/157247003QTech1999Thu, 22 Jan 2026 09:59:57 +0800https://blog.youkuaiyun.com/QTech1999/article/details/156729436https://blog.youkuaiyun.com/QTech1999/article/details/156729436QTech1999Thu, 08 Jan 2026 17:28:15 +0800 30%：测量系统不可接受，必须进行改进。若%GRR ≤ 10%：测量系统可接受。]]>https://blog.youkuaiyun.com/QTech1999/article/details/156305355https://blog.youkuaiyun.com/QTech1999/article/details/156305355QTech1999Fri, 26 Dec 2025 14:46:39 +0800https://blog.youkuaiyun.com/QTech1999/article/details/156305094https://blog.youkuaiyun.com/QTech1999/article/details/156305094QTech1999Fri, 26 Dec 2025 14:39:46 +0800