Application effect analysis of UAV aeromagnetic survey technology in desert and semidesert regions
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摘要: 随着无人机航磁测量技术的不断发展,其在不同地貌景观区的应用空间得到了逐步拓展。为验证无人机航磁测量在我国戈壁荒漠地区的实际应用效果,本文结合戈壁荒漠地区的自然环境特点,开展了机型适用性试验,从抗风能力、地形跟随能力、续航能力与工作效率、数据采集质量等几个方面,对多旋翼型、垂直起降固定翼型无人机在戈壁荒漠地区的适用性进行了评价;通过无人机航磁与已有地面磁测成果的定性、定量对比分析,衡量了无人机航磁测量在我国西部戈壁荒漠地区的实用性与可靠性,认为无人机航磁相对于地磁测量具有采集精度高、工作效率高的优势,是值得进一步推广的地球物理勘查方法技术。Abstract: The UAV aeromagnetic survey technology has continuously developed and gradually applied to different geomorphic landscape areas. This study aims to verify the application effects of the UAV aeromagnetic survey technology in the desert and semidesert regions in China. To this end, the applicability tests of UAV types were performed according to the characteristics of the natural environment in the desert and semidesert regions. Then the applicability of multi-rotor UAVs and vertical take-off and landing fixed-wing UAVs in the desert and semidesert regions was assessed from the ability to resist wind, terrain-following ability, battery life, efficiency, and the quality of data acquisition. Through the qualitative and quantitative comparative analysis of the results obtained from UAV aeromagnetic surveys and ground magnetic surveys, the practicability and reliability of the UAV aeromagnetic survey technology in the desert and semidesert regions in West China was measured. It is considered that UAV aeromagnetic survey technology enjoys the advantages of high precision of data collection and high efficiency compared to the ground magnetic survey. Therefore, the UAV aeromagnetic survey technology is worthy of widespread application as a geophysical prospecting method and technique.
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