Results 71 to 80 of about 2,803 (181)

Has the internet increased trade? Evidence from industrial and developing countries [PDF]

If the Internet made it easier for firms to enter new markets by reducing communication and search costs, then it may also have made it easier to export goods and services.
Clarke, George R.G., Wallsten, Scott J.
core  

The New Economy and the Dollar Puzzle: the Case of Australia [PDF]

, 2002
The revolutionary changes in information technology (IT), globalisation and financial innovation have overturned the Solow productivity paradox and spawned a New Economy (NE) in Australia in the late 1990s. Both growth accounting estimates and the use of
Karunaratne, Neil Dias
core  

Performance of PPP and PPP-RTK with new-generation GNSS constellations and signals

Satellite Navigation
The expansion of Global Navigation Satellite Systems (GNSS) and Regional Navigation Satellite Systems (RNSS), along with broadcasting of additional signals, offers more options for Precise Point Positioning (PPP). Utilizing a number of constellations and
Xiaohong Zhang, Yuhang Yang, Haochen Yang, Xiaodong Ren, Xiaojing Lin, Xuan Le, Xin Li   +6 more
doaj   +1 more source

WAYS TO CREATE A GREENER TRAFFIC USING TRAFFIC MANAGEMENT SYSTEMS and RTTI [PDF]

The continuous increase of traffic in major cities led to the mandatory usage of traffic management systems in order to have an organized traffic. There are many levels such systems may be implemented, depending on the traffic volume, starting from the ...
Marius MINEA, Răzvan Andrei GHEORGHIU, Răzvan Samson TSEGAY, Răzvan Samson TSEGAY   +3 more
core  

Next Generation intelligent transport systems: a multidimensional framework for eCall implementation [PDF]

, 2010
The present use of Intelligent Transport Systems (ITS) can be defined as a hybrid between information and communication technologies to improve different aspects of mobility and transport. The potential value of the next generation ITS can be assessed as
Braet, Olivier, Degadt, Wouter
core  

High-precision services of BeiDou navigation satellite system (BDS): current state, achievements, and future directions

Satellite Navigation
With the rapid development of technologies such as autonomous driving and robotic navigation, the demand for accurate and reliable positioning results with BDS has increased.
Weiguang GAO, Wei Zhou, Chengpan Tang, Xingxing Li, Yongqiang Yuan, Xiaogong Hu   +5 more
doaj   +1 more source

Performance of Ground-Based Global Navigation Satellite System Precipitable Water Vapor Retrieval in Beijing with the BeiDou B2b Service

Remote Sensing
The accurate measurement of water vapor is essential for research about and the applications of meteorology, climatology, and hydrology. Based on the BeiDou PPP-B2b service, real-time precipitable water vapor (PWV) can be retrieved with the precise point
Yunchang Cao, Zhenhua Cheng, Jingshu Liang, Panpan Zhao, Yucan Cao, Yizhu Wang   +5 more
doaj   +1 more source

BDS PPP ambiguity resolution using B1I/B2I/B3I/B1C/B2a observations with regional reference network augmentation

Geo-spatial Information Science
BeiDou navigation satellite system with global coverage (BDS-3) has been fully operational since July 2020, currently providing the positioning, navigation and timing service together with regional BDS-2. In addition to the legacy signals of B1I and B3I,
Hongbo Lyu, Xingxing Li, Jiaxin Huang, Guolong Feng, Bo Wang, Xin Li, Zhiheng Shen   +6 more
doaj   +1 more source

Assessment of Galileo High Accuracy Service (HAS) test signals and preliminary positioning performance. [PDF]

GPS Solut, 2023
Naciri N, Yi D, Bisnath S, de Blas FJ, Capua R.   +4 more
europepmc   +1 more source

Modeling the Cattle Replacement Decisions [PDF]

In this paper we evaluate the performance of a dynamic model of cattle replacement and culling decisions. We derive the price of cattle when it is treated as a unit of capital and evaluate various rates of adjustment of the cattle herd to determine the ...
Arnade, Carlos A., Jones, Keithly G.
core   +1 more source