Results 91 to 100 of about 42,160 (181)
On PPP, Unit Roots and Panels [PDF]
This paper re-assesses the panel (unit root test) evidence for PPP on four monthly data sets. We discuss and illustrate that commonly-used first generation panel unit root tests are inappropriate for PPP analysis since they are constructed for cross ...
Wagner, Martin
core
A GNSS/INS/LiDAR Integration Scheme for UAV-Based Navigation in GNSS-Challenging Environments. [PDF]
Sensors (Basel), 2022 Elamin A, Abdelaziz N, El-Rabbany A.
europepmc +1 more source
Does the PPP need the UIP? [PDF]
In this paper we focus on the post Bretton Woods period and analyze whether a PPP relationship is accepted by the data for Italy, United States and Germany.
Massimiliano Serati, Rodolfo Helg
core
Investigation of Hatay-Defne earthquake (20.02.2023) by using GNSS station
Geodesy and CartographyNo studies have been conducted on the spatial changes related to the Hatay-Defne earthquake (20 February 2023) up to now. The reason for this situation is that the requested data cannot be accessed as a result of the power and internet interruptions ...
Atınç Pırtı +2 more
doaj +1 more source
, 2016 Son yıllarda PPP (Precise Point Positioning) yöntemiyle konum belirleme doğruluğunun artması yönteme olan ilginin artmasına ve yöntemin daha yaygın kullanılır hale gelmesine neden olmuştur. CSRS-PPP (The Canadian Spatial Reference SystemPPP), APPS (Automatic Precise Positioning Service) v.b.
Yiğit, Cemal Özer +3 more
openaire +1 more source
Challenges in implementing PPP strategy for infrastructure delivery in Nigeria
, 2013 The Nigerian government’s efforts at engaging the private sector in the massive infrastructure development necessary to meet its goal of being one of the best 20 economies in the world by 2020. However, using PPP for infrastructure delivery in Nigeria is
Zhou, Lei +3 more
core
Producing Coordinate Time Series for Iraq's CORS Site for Detection Geophysical Phenomena
Journal of Engineering, 2018 Global Navigation Satellite Systems (GNSS) have become an integral part of wide range of applications. One of these applications of GNSS is implementation of the cellular phone to locate the position of users and this technology has been employed in ...
Oday Yaseen Mohamed Zeki Alhamadani, Instructor +1 more
doaj
Validation of GPS-Based Monitoring and Remote Sensing of Ice-Shelf and Ice-Sheet Movement Changes. [PDF]
Sensors (Basel), 2021 Li X +6 more
europepmc +1 more source
PPP und Mittelstand. Untersuchung von 30 ausgewählten PPP-Hochbauprojekten in Deutschland.
, 2008 PPP-Projekte der "zweiten Generation", auch als "PPP im engeren Sinn" oder "echte PPP" bezeichnet, die im Idealfall mindestens vier Lebenszyklusphasen und dabei wesentliehe Teile des Betriebs umfassen, sind inzwischen in Deutschland in größerer Zahl in ...
core
Uniciencia, 2015 By calculation mode in Precise Point Positioning (PPP) online, processed more than two years of daily observations of 14 continuously operating stations belonging to Geocentric System for the Americas (SIRGAS), which are strategically located on the ...
Jorge Moya Zamora +3 more
doaj