卫星多普勒网短弧法平差的研究结果
On the Result of experimental Computation in the Adjustment of the Satellite Doppler Network by Short-arc Method
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摘要: 为了探讨卫星多普勒测量在我国大地测量和各项工程技术上应用的前景,从数据处理方法上发挥多普勒定位的潜在精度,我们利用自己编制的全套软件系统,对武汉地区卫星多普勒网的观测数据进行了短弧平差,取得了较好的成果。武汉地区卫星多普勒网由十五个点组成,共分六期进行观测。该网用于这次平差计算的原始数据占全部观测值的96.5%(以通过次数计)。在数据预处理的基础上,我们对该网进行了平差计算。它包括三个部分:单点定位、分区平差和整体平差。对该网成果的分析比较是从七个方面进行的。结果表明,采用这套软件所得的平差结果是可靠的。同时,就今后如何进一步改进卫星多普勒测量内外业工作,提出了几点建议。Abstract: The Wuhan district Doppler positioning observations have been adjusted with a software package prepared by author for the purpose of investigating the prospects of its application in geodetic surveying and various engineering projects,The potential accuracy of Doppler positioning has been thus further developed by proper processing method.The experimental result has been very satisfactory as is shown in the f first part of this paper.Then,a series of analysis and comparison have been made and finally a summary is given with some recommendations for further processing or designing of Doppler positioning networks.
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