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地质灾害预警是国家灾害预警的一个重要方面,能够及时有效的防范地质灾害,将为保护人民群众和重要设施安全起到了至关重要的作用。针对无线传感器网络定位技术在灾害预警中的优势,结合地质灾害的特点分析了特定环境网络定位算法的需求,提出了更加适合于此类环境的DV-Hop改进算法,将限跳机制和抗差最小二乘估计数学处理方法进行综合运用,提高了定位精度,降低了能量损耗,使其更加符合实际应用要求。
Early warning of geological hazards is an important aspect of national disaster early warning. Being able to timely and effectively prevent geological hazards will play a crucial role in protecting the safety of the people and important facilities. Aiming at the advantage of wireless sensor network positioning technology in disaster warning and combining with the characteristics of geological disasters, this paper analyzes the demand of network positioning algorithm for specific environment and proposes an improved DV-Hop algorithm which is more suitable for such environment. The limit jumping mechanism and the resistance difference Least squares estimation mathematical processing methods for comprehensive utilization, improve the positioning accuracy and reduce energy consumption, making it more in line with the practical application requirements.