• efficiency of linear interpolation methods in multi reference dgps

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1387/01/01
    • تاریخ انتشار در تی پی بین: 1387/01/01
    • تعداد بازدید: 591
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     precise dgps surveying and navigation is restricted to short range case because of presence of distance dependent biases in double-differenced observables and receiver single-differenced observables. in order to account for distant-dependent biases such as the atmospheric biases and orbit errors, dgps-network based methods have been developed. in this paper linear interpolation methods (lim) in measurement domain are performed and efficiency of these methods are compared and the advantages and disadvantages of each are disserted. based on epoch-by-epoch and satellite-by-satellite observables biases, reference station network generate error parameters to mitigate the user station biases. to perform these algorithms five permanent gps stations observations in alborz network in iran have been used. based on results of this research lim methods presents better accuracy in comparison with single-reference dgps case, but height differences in region reduce efficiency of these methods.

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