In this
study, the accuracy of Precise Point Positioning (PPP) method was investigated.
For this purpose, a micro-geodetic network containing 5 stations was
established and 8-hour GNSS Global Navigation Satellite System (GNSS) sessions
for three consecutive days were performed. At the same time, the baselines
between the stations in this network were measured by Electronic Distance Meter
(EDM) and the height differences are measured by the geometric leveling method.
The results obtained from classical terrestrial measurements, which are
considered to be highly accurate (3 mm in horizontal and few mm invertical), were compared with the results
of PPP and the relative GNSS methods. As a result of the comparisons, it was
seen that the values obtained from the relative GNSS analysis approximated with
the classical method with the levels of 1-6 mm in the horizontal and 10-20 mm
in the vertical direction. For the PPP method, it was seen that the same values
varied between 1-28 mm in horizontal and 5-8 cm in the vertical component. The
standard deviation values of these changes were determined as ± 2.20 mm in
horizontal and ± 16.46 mm in vertical for the relative positioning technique
and ± 11.43 mm in the horizontal and ±
59.48 mm in vertical component for PPP method.
Birincil Dil | Türkçe |
---|---|
Konular | Mühendislik |
Bölüm | Makaleler |
Yazarlar | |
Yayımlanma Tarihi | 15 Temmuz 2019 |
Gönderilme Tarihi | 25 Mart 2019 |
Kabul Tarihi | 16 Mayıs 2019 |
Yayımlandığı Sayı | Yıl 2019 Cilt: 9 Sayı: 3 |