在这个背景下，本文就井下复杂环境中无线传感器网络的节点定位进行了深入研究。
So this thesis deeply researched on node localization in wireless sensor networks (WSN) for underground complex environment.
基于无线通信和嵌入式技术，设计一种煤矿井下人员定位系统。
Based on the Wireless Communication and Embedded technology, a coal mine personnel positioning system was designed.
基于无线通信和嵌入式技术，设计一种煤矿井下人员定位系统。
Based on the Wireless Communication and Embedded technology, a coal mine personnel positioning system was designed.
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