The writer proposes that state-based maintenance is scientific, reasonable and economic, and that on-line monitoring of electric equipment is prerequisite conditions of state-based maintenance.
阐述了电气设备的在线监测工作是开展状态检修的前提条件；
A distorted sine signal is simulated in the system, and the on-line harmonic monitoring is carried out through this system, revealing the state of its basic wave and harmonic waves.
该系统模拟生成一畸变正弦信号，并运用该系统实现谐波的在线监测分析，得出其基波与谐波的情况。
How to integrate the solid state electrochemistry sensor and the wireless sensor network to realize the vehicle exhaust on-line monitoring was discussed.
讨论了如何将固态电化学传感器与无线传感器网络相结合，来实现机动车尾气在线监测。
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