4   Artículos

 
en línea
Cheng Ke, Yanning Zheng and Shengli Wang    
With the combination of multi-GNSS data, the precise-point positioning (PPP) technique can improve its accuracy, availability and reliability: Inter-system bias (ISB) is the non-negligible parameter in multi-GNSS PPP. To further enhance the performance o... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Jonathan Hugo Vargas Blaschke,Francisco Aguirre Torrico    
In order to estimate concrete strength, concrete cylinders are commonly used; however, this method, although widely accepted, does not produce immediate results and due to the vast amounts of variables that exist, may or may not be an accurate depiction ... ver más
Revista: Investigación & Desarrollo    Formato: Electrónico

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