一种适用于铀矿勘查无人值守航空物探数据自动分线方法  

A Method for Automatic Flight Line Splitting of Unattended Airborne Geophysical Survey Data

作　　者：贾化山[1,2,3] 王培建 李江坤[1,2,3] 李兵海 刘忠[1,2,3] 张光雅 JIA Huashan;WANG Peijian;LI Jiangkun;LI Binghai;LIU Zhong;ZHANG Guangya(Airborne Survey and Remote Sensing Center of Nuclear Industry,Shijiazhuang,Hebei 050002,China;CNNC Key Laboratory for Geophysical Exploration Technology Center of Uranium Resource,Shijiazhuang,Hebei 050002,China;Hebei Key Laboratory of Airborne Survey and Remote Sensing Technology,Shijiazhuang,Hebei 050002,China)

机构地区：[1]核工业航测遥感中心,河北石家庄050002 [2]中核铀资源地球物理勘查技术中心(重点实验室),河北石家庄050002 [3]河北省航空探测与遥感技术重点实验室,河北石家庄050002

出　　处：《铀矿地质》2024年第5期1002-1006,共5页Uranium Geology

基　　金：中国核工业地质局项目“柴达木1∶5万航空物探调查”(编号:202343-1)资助。

摘　　要：航空物探是重要高效的矿产勘查方法,在世界矿产勘查史上发挥了重要作用,其中航放测量更是铀矿勘查的重要方法,许多铀矿是航放测量直接发现的。航空物探测量作业时,飞机沿着设计测线依次飞行,当采用无人值守方式开展航空物探测量时,每架次采集的测量数据记录为单一文件,而后续数据处理需要按设计测网测线分别处理。目前采用人工手动分线,存在耗时长、易出错等不足,为此提出了一种自动分线方法,通过偏航距、速度、最短测线、基线长度、采样率等一系列参数设置,去除航路、拐弯、经过测线等所产生的极短线、短线,能快速、较准确地把测量数据按设计测线自动分开,提高了工作效率,减轻了数据处理人员的工作负担。Airborne geophysical exploration is an important and efficient method for mineral exploration,which has always played an important role in the history of world mineral exploration.During airborne geophysical survey operations,the aircraft flies along the designed survey line in sequence.When unmanned airborne geophysical survey is carried out,the measurement data collected for each flight is recorded as a single file,subsequent data processing needs to be processed separately according to the designed survey network line.At present,manual line splitting is used,which has the shortcomings such as long time consumption and susceptible in mistakes.Therefore,a method of automatic line splitting was proposed.By setting a series of parameters such as yaw,speed,shortest measuring line,baseline length,sampling rate,etc.,the extremely short lines and short lines generated by turns,cross or along measuring lines,etc.would be removed.The proposed method can quickly and accurately separate measurement data according to the designed measuring line,which improved the work efficiency and reduced the workload of data processing.

关 键 词：自动分线 测量数据 偏航距 最短测线 测线间距 

分 类 号：P631[天文地球—地质矿产勘探]