基于GPS技术的全国国土变更调查精度提升研究

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中图分类号：P204 文献标志码：A 文章编号：2095-2945（2025）31-0152-04

Abstract：Landchangesurveyisanimportant meanstograspthedynamicchangesof landresources，ensurerational land use，andachievescientificplanning.GPStechnologyiswidelyusedinlandchangesurveysduetoitsighpositioningaccuracy. However，therearestillmanyfactorsthatafectaccuracyinpracticalapplications.Basedonanin-depthanalysisofthecurrent situationoftheaplicationofGPStechnologyinnationallandchangesurveys，thisprojectplanstosystematicallyanalyzvarious factorsafectingtheaccuracyofsurveyingandmapping，andpropose targetedstrategiesandmethodstoimprovetheaccuracy， andvrify themthrough examples.Inordertoprovide strongsupportforimproving theaccuracyandmanagementlevelof China's land change surveys.

Keywords：GPS technology;landchange survey;acuracy improvement;landresourcesmanagement; positioning accuracy

国土变更调查是全面掌握土地利用变化的重要方法，其数据精度直接影响着土地政策、耕地保护和生态环境评价等多个方面的科学决策。（剩余5805字）