In this paper,the author analyzes domestic and foreign situation and developing trends wire-less sensor nodes,focusing on its current type of hardware platform and typical embedded operat-ing system,which can guide the direction of the research and development of wireless sensor nodes.%分析了传感器节点的国内外研究现状、发展趋势。重点介绍了目前国内外无线传感节点的硬件平台类型及典型的嵌入式操作系统，最后分析了无线传感器节点的发展趋势，为目前无线传感器节点的研究发展指引方向。
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