搜索结果: 1-15 共查到“摄影测量与遥感技术 RTK”相关记录15条 . 查询时间(0.059 秒)
EVALUATING THE POTENTIAL OF RTK-UAV FOR AUTOMATIC POINT CLOUD GENERATION IN 3D RAPID MAPPING
Unmanned aerial system Real time kinematic Point clouds generation Bundle adjustment Digital surface model Lever arm calibration Sensor synchronization
2016/11/15
During disaster and emergency situations, 3D geospatial data can provide essential information for decision support systems. The utilization of geospatial data using digital surface models as a basic ...
COASTLINE CHANGE ANALYSIS USING RTK-GPS AND AERIAL PHOTO
Coastline RTK-GPS Qualitative analysis Time series analysis
2015/12/28
According to the survey data during the Japanese Occupation Period, the length of South Korea's coastline is about 11,542km, including the coastlines of mainland and islands. To accurately revise/rene...
PRICISE TARGET GEOLOCATION BASED ON INTEGERATION OF THERMAL VIDEO IMAGERY AND RTK GPS IN UAVS
Thermal Video RTK Geolocation Kalman Filter Unmanned Aerial Vehicle
2016/1/15
There are an increasingly large number of uses for Unmanned Aerial Vehicles (UAVs) from surveillance, mapping and target geolocation. However, most of commercial UAVs are equipped with low-cost naviga...
HEIGHT ACCURACY BASED ON DIFFERENT RTK GPS METHOD FOR ULTRALIGHT AIRCRAFT IMAGES
Aerial images positioning image processing accuracy
2015/9/21
Height accuracy is one of the important elements in surveying work especially for control point’s establishment which requires an accurate measurement. There are many methods can be used to acquire he...
RTK初始化后,只需固定后续观测引入的新模糊度。这些模糊度由于观测时间长短不同而精度差异较大,不可能同时可靠地固定。因此,RTK模糊度固定通常采用bootstrapping方法只固定能可靠固定的部分模糊度。Bootstrapping实质是序贯四舍五入,其可靠性依赖于四舍五入的可靠性,因此控制四舍五入的纳伪概率是实现RTK可靠性的关键。本文研究纳伪概率可控的四舍五入方法,从含多个备选假设的假设检验理...
A PRECISE, LOW-COST RTK GNSS SYSTEM FOR UAV APPLICATIONS
RTK GNSS Low-cost Kinematic UAVs, Machine Control Single-Frequency-Receiver
2014/5/9
High accuracy with real-time positioning of moving objects has been considered a standard task of engineering geodesy for 10 to 15
years. An absolute positioning accuracy of 1-3 cm is generally poss...
TESTING goGPS LOW-COST RTK POSITIONING WITH A WEB-BASED TRACK LOG MANAGEMENT SYSTEM
Web based Cooperation Software GPS/INS Accuracy,Real-time
2014/6/12
Location-based online collaborative platforms are proving to be an effective and widely adopted solution for geospatial data collection, update and sharing. Popular collaborative proje...
GPS-RTK技术在水下地形测量中应用研究
GPS RTK 坐标转换 高程异常
2009/9/25
随着GPS-RTK定位的精度越来越高,数据传输的距离越来越远,可靠性越来越高,GPS-RTK技术在海洋、湖泊、河流等的水下地形、航道测量中的应用也越来越多.本文阐述了水下地形测量中控制网布设、数据采集的特点;探讨了在GPS-RTK测量中坐标转换的方法,即Bursa7参数转换模型和3参数转换模型;探讨了在GPS-RTK测量中,获得高程异常及其转换的方法.
GPS RTK测量技术在高压输电线路勘测工程中的应用
测量技术 GPS RTK
2009/8/10
GPS RTK测量技术具有快捷、精确、操作简便等特点,特别是其定位、定线功能显示出了较强的优势.因此,被广泛地应用在高压输电线路勘测中.本文介绍了RTK工作原理以及定位、定线的勘测方法、断面图的生成过程,经常遇到的问题及其注意事项.
GPS RTK测量作业方式的探讨
测量作业 GPS RTK
2009/8/10
GPSRTK技术在测量领域中已得到了广泛应用,但作业方式普遍较为单一.本文主要探讨了RTK测量所具有的多种作业方式,提出了应根据测区已有控制资料情况和测量成果需求的紧迫程度,灵活选用RTK测量的作业方式.
GPS-RTK技术在热力外线工程中的应用
热力外线 GPS-RTK技术
2009/8/10
将GPS-RTK技术充分应用于热力外线工程,可以有效地提高作业效率和作业品质。介绍了作者在以下二个方面使用GPS-RTK技术的体会:(1)RTK仪器在特定作业区域的精度认定及精度可靠性量化标准:(2)RTK仪器在热力工程测图及热力外线定线中的实际应用。
GPS–RTK在城市控制测量中的应用与浅析
GPS-RTK基准网 内外部精度 GPS参考站系统
2009/8/10
本文通过简单介绍GPS-RTK测量原理及实例分析,阐述了GPS-RTK测量方法和其内外部精度检查,并对城市连续运行GPS参考站系统(KMCORS)进行了简单说明。
GPS网络RTK内插算法分析与比较
RTK GPS网络
2009/8/10
在GPS网络RTK中,利用不同的内插算法,生成的流动站误差改正数不同,它们对定位结果的影响也不同。通过算例分析表明,选择合理的内插算法,不仅可以生成与流动站真实误差较为接近的误差改正数,还可以提高整周模糊度的解算成功率和导航定位的精度。
利用GPS-RTK技术进行既有线曲线整正测量研究
测量 GPS-RTK技术
2009/8/6
既有线曲线整正测量是铁路既有线提速改造和工务部门大修设计的主要任务之一.需要改造的既有铁路一般均为繁忙干线,并行车密度较高.传统的测量方法是将测量仪器安置在线路上,这样不仅在作业过程中受行车干扰,作业效率也不够高,而曲线地段通视条件差,作业难度是相当大的.同时,作业人员的安全问题也变得十分突出.笔者提出采用先进的GPS-RTK技术,对既有线曲线整正进行测量.采用该技术不仅能克服气候条件的限制,而...