LED路灯的早期故障筛选试验探讨_电子行业学术文章_质量学术文章_电子质量E周刊 关键词： LED路灯；早期故障；可靠性 [gap=443]Key words: LED street lamp;early fault;reliability
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early fault period 早期故障期
early fault diagnosis 早期故障诊断
early fault feature extracting 早期故障特征提取
early down fault 早期正断裂
early warng fault 预警断裂
Early fragility fault 早期脆性断裂
fault early warming 故障预警
The abnormal signal, generated by early fault, is usually weak and covered with strong noise. Therefore a high detection technique is requested.
机械系统早期故障引起的异常信号一般都很微弱，通常被淹没在很强的背景噪声中，对信号检测技术要求高。
参考来源 - 机械系统微弱故障信号检测及特征提取方法研究In order to extract the leakage current, a parallel-composed morphological filter with multiple structuring elements based on the principle of MM is designed. Also, pattern spectrum is used to analyse the early fault diagnosis of MOA.
3.基于数学形态学基本原理,构造了一种多结构元素并行复合形态滤波器以提取MOA泄漏电流,并提出了基于形态谱的MOA早期故障诊断方法。
参考来源 - 数学形态学在电力系统中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This brought great difficulties to diagnose the early fault of gear.
这就为齿轮的早期故障诊断带来了很大困难。
The early fault zone was reconstructed and became dextral right - step Z - type fault during dextral - slip stage.
在右行走滑改造阶段，早期左行右阶断裂带被改造为“Z”型右行右阶断裂带。
The early fault signal is very faint, low frequency appears more to pulse, easy to be interfered by the ambient noise even submerged.
早期故障信号非常微弱，多呈现低频脉动，容易受到噪声干扰甚至被环境噪声所淹没。
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