系统生命期是无线传感器网络最重要的设计因素之一，而传感器节点的电池能量直接决定着系统生命期。
System lifetime is one of the most important design factors in wireless sensor network. Battery energy of sensor node directly determines system lifetime.
本文介绍了实现在线振动检测和分析的无线传感器节点的超低功耗硬件设计。
The paper introduces the ultralow-power hardware design of wireless sensor nodes for online oscillation signal detection and analysis.
给出了一种无线传感器网络的设计，详细讨论了传感器节点的硬件组织、电源特征和通信模式。
Design of a wireless sensors network is given. Hardware organization, power characteristics and communication model of sensor nodes are introduced in detail.
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