噪声是影响旋转机械早期故障检测的主要因素。
Noise is the main factor influencing incipient rotor machine failure detection.
该方法灵活、可靠，在转子系统早期故障检测方面的应用是可行的。
The method is flexible, reliable and effective in application of the incipient fault detection in rotor system.
研究了在有噪环境下发动机转子系统早期碰摩故障的检测问题。
The early rub impact fault detection of an engine rotor system in noise circumstances is researched.
此中心的可靠性小组负责开发以预防、故障的早期检测以及提高开发和测试周期的效率为核心的研究技术。
The center's Reliability group investigates research technologies with a focus on prevention, earlier detection of defects, and improving the effectiveness of the development and test cycle.
研究表明，齿轮运动信号分解能够有效检测齿轮的各类故障，高阶加速度信号对齿轮某些类型的早期故障更加敏感。
Experimental results show that gear vibration signal decomposition can detect different faults, and high-order acceleration signals are more sensitive to certain type of fault.
最后在某型直升机齿轮箱轴承故障的早期检测中进行了实验验证。
In the end the proposed method is used to detect early bearing faults in one helicopter gearbox and the results demonstrate that it is superior to power spectrum density (PSD) and demodulation an.
弱冲击故障检测是故障诊断中既困难又十分重要的研究课题，是实现故障早期诊断的基本手段。
Detection of weak impact fault is difficult but very important in mechanical fault diagnosis, and it is the major tool for early diagnosis.
通过对故障轴承的综合检测及对检测结果的分析，确定该轴承工作过程中承受了过大的轴向负荷，是造成轴承早期失效的原因。
Through analyzing the comprehensive inspections of the failure bearing, it is determined that undertaking early failure is caused by bearing ever-large axial load during working.
当采用小波分解方法对低压配电系统短路故障进行早期检测时，门限值的合理设置对故障检测的可靠性及灵敏度是至关重要的。
The proper setting of threshold is crucial for the early prediction of the short circuit fault in the low-voltage distributed system when using the method of wavelet decomposition.
80年代早期，HDW研发的，获得专利权的弧反射研发技术仍然是故障检测的高级方案，用于固体介质的电缆。
In the early 80's, HDW invented, patented and developed the Arc Reflection Technology, which continues to represent the state-of-the-art fault locating method for solid dielectric cables.
80年代早期，HDW研发的，获得专利权的弧反射研发技术仍然是故障检测的高级方案，用于固体介质的电缆。
In the early 80's, HDW invented, patented and developed the Arc Reflection Technology, which continues to represent the state-of-the-art fault locating method for solid dielectric cables.
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