https://blog.youkuaiyun.com/qflookzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/qflook/article/details/156906297https://blog.youkuaiyun.com/qflook/article/details/156906297qflookMon, 09 Feb 2026 15:51:06 +0800https://blog.youkuaiyun.com/qflook/article/details/156382191https://blog.youkuaiyun.com/qflook/article/details/156382191qflookThu, 08 Jan 2026 17:38:40 +0800https://blog.youkuaiyun.com/qflook/article/details/155745374https://blog.youkuaiyun.com/qflook/article/details/155745374qflookFri, 12 Dec 2025 17:10:50 +0800https://blog.youkuaiyun.com/qflook/article/details/155710158https://blog.youkuaiyun.com/qflook/article/details/155710158qflookMon, 08 Dec 2025 17:48:01 +08000,2*A1/CHISQ.INV.RT((1+A3)/2,2*(A2+1)),-A1/LN((1+A3)/2))双侧置信区间上限=IF(A2>0,2*A1/CHISQ.INV.RT((1-A3)/2,2*A2),-A1/LN((1-A3)/2))式中v 为自由度（2r 或 2 (r+1)），T为测试总时长，α 为显著水平， γ为置信度，其中 γ+α=1。假设A1为总测试时长T，A2为故障数量r，A3为置信水平γ，则。恒定失效率产品，符合指数分布。测试方式：定时截尾。]]>https://blog.youkuaiyun.com/qflook/article/details/154941797https://blog.youkuaiyun.com/qflook/article/details/154941797qflookTue, 18 Nov 2025 16:18:42 +0800https://blog.youkuaiyun.com/qflook/article/details/153184074https://blog.youkuaiyun.com/qflook/article/details/153184074qflookMon, 13 Oct 2025 11:00:45 +0800https://blog.youkuaiyun.com/qflook/article/details/152208186https://blog.youkuaiyun.com/qflook/article/details/152208186qflookSun, 28 Sep 2025 17:18:11 +0800https://blog.youkuaiyun.com/qflook/article/details/150918484https://blog.youkuaiyun.com/qflook/article/details/150918484qflookMon, 15 Sep 2025 16:15:50 +0800https://blog.youkuaiyun.com/qflook/article/details/150554047https://blog.youkuaiyun.com/qflook/article/details/150554047qflookMon, 25 Aug 2025 17:00:13 +0800https://blog.youkuaiyun.com/qflook/article/details/147739674https://blog.youkuaiyun.com/qflook/article/details/147739674qflookTue, 06 May 2025 16:42:18 +0800https://blog.youkuaiyun.com/qflook/article/details/147632499https://blog.youkuaiyun.com/qflook/article/details/147632499qflookWed, 30 Apr 2025 15:27:28 +0800https://blog.youkuaiyun.com/qflook/article/details/147601446https://blog.youkuaiyun.com/qflook/article/details/147601446qflookTue, 29 Apr 2025 11:16:34 +0800https://blog.youkuaiyun.com/qflook/article/details/147549436https://blog.youkuaiyun.com/qflook/article/details/147549436qflookSun, 27 Apr 2025 11:03:08 +0800https://blog.youkuaiyun.com/qflook/article/details/147444348https://blog.youkuaiyun.com/qflook/article/details/147444348qflookWed, 23 Apr 2025 16:51:25 +0800https://blog.youkuaiyun.com/qflook/article/details/147423405https://blog.youkuaiyun.com/qflook/article/details/147423405qflookTue, 22 Apr 2025 16:34:31 +0800https://blog.youkuaiyun.com/qflook/article/details/145698336https://blog.youkuaiyun.com/qflook/article/details/145698336qflookTue, 18 Feb 2025 16:44:32 +0800https://blog.youkuaiyun.com/qflook/article/details/145051756https://blog.youkuaiyun.com/qflook/article/details/145051756qflookMon, 13 Jan 2025 10:47:08 +0800https://blog.youkuaiyun.com/qflook/article/details/144999597https://blog.youkuaiyun.com/qflook/article/details/144999597qflookThu, 09 Jan 2025 15:14:20 +0800https://blog.youkuaiyun.com/qflook/article/details/144978536https://blog.youkuaiyun.com/qflook/article/details/144978536qflookTue, 07 Jan 2025 17:28:33 +0800https://blog.youkuaiyun.com/qflook/article/details/144660151https://blog.youkuaiyun.com/qflook/article/details/144660151qflookMon, 23 Dec 2024 10:52:11 +0800