Results 91 to 100 of about 50,439 (173)

Outlier Accommodation for GNSS Precise Point Positioning using Risk-Averse State Estimation [PDF]

open access: yes2024 American Control Conference (ACC)
Reliable and precise absolute positioning is necessary in the realm of Connected Automated Vehicles (CAV). Global Navigation Satellite Systems (GNSS) provides the foundation for absolute positioning. Recently enhanced Precise Point Positioning (PPP) technology now offers corrections for GNSS on a global scale, with the potential to achieve accuracy ...
arxiv   +1 more source

Opportunities for PPP in Culture [PDF]

open access: yesStudia commercialia Bratislavensia, 2011
Opportunities for PPP in Culture In recent years, the importance of PPP has increased - but the projects still remain focused and concentrated in the infrastructure / transport industry. Public-private partnership in some areas of the cultural sector could provide many benefits to both par-ties. There is at present an absence of any mentionable
openaire   +2 more sources

El plan de desarrollo y las dos crisis de la economía colombiana

open access: yesRevista Controversia, 1983
El plan "Cambio con Equidad" de la administración de Betancur enfrenta una situación de crisis muy intensa de la economía colombiana: por un lado, contagio de la recesión internacional, o sea faltantes de demanda en particular externa y, por otro ...
Salomon Kalmanovitz
doaj  

Repositorio de datos para investigaciones en gestión de proyectos

open access: yesRevista Cubana de Ciencias Informáticas, 2019
Los repositorios de datos permiten el desarrollo de investigaciones, el descubrimiento de conocimiento y la prueba de nuevos algoritmos de aprendizaje. El presente trabajo tiene como objetivo presentar un repositorio para el desarrollo de investigaciones
Pedro Piñero Pérez   +5 more
doaj  

Identifying Significant Risks and Analyzing Risk Relationship for Construction PPP Projects in China Using Integrated FISM-MICMAC Approach

open access: yesSustainability, 2019
To meet the growing demand for public facilities and services, many developing countries, including China, have adopted the concept of public–private partnership (PPP). However, there are many risks in PPP projects.
Xiaoyan Jiang   +4 more
semanticscholar   +1 more source

PPP and PPP-AR Kinematic Post-Processed Performance of GPS-Only, Galileo-Only and Multi-GNSS

open access: yesRemote Sensing, 2019
Precise point positioning (PPP) has been used for decades not only for general positioning needs but also for geodetic and other scientific applications.
G. Katsigianni, S. Loyer, F. Perosanz
semanticscholar   +1 more source

People, Policy and Place relaunch: a note from the Editors

open access: yesPeople, Place and Policy Online, 2020
PPP Editors
doaj   +1 more source

Public Private Partnership Model in the Provision and Financing of Public Services: European Union and Turkey

open access: yesInternational Journal of Public Finance, 2019
The changing role of the state in the economy, especially after the 1990s, has led to the use of more and more public-private partnership (PPP) models as well as traditional methods of providing and financing public services. Public-private partnership,
Mircan Tokatlıoğlu, Semih Şen
doaj   +1 more source

A Unified Model for Multi-Frequency PPP Ambiguity Resolution and Test Results with Galileo and BeiDou Triple-Frequency Observations

open access: yesRemote Sensing, 2019
With the modernization of Global Navigation Satellite System (GNSS), triple- or multi-frequency signals have become available from more and more GNSS satellites. The additional signals are expected to enhance the performance of precise point positioning (
Guorui Xiao, Pan Li, Yang Gao, B. Heck
semanticscholar   +1 more source

Low-Cost Real-Time PPP/INS Integration for Automated Land Vehicles

open access: yesItalian National Conference on Sensors, 2019
The last decade has witnessed a growing demand for precise positioning in many applications including car navigation. Navigating automated land vehicles requires at least sub-meter level positioning accuracy with the lowest possible cost.
M. Elsheikh   +4 more
semanticscholar   +1 more source

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