s of Talks A Flexible Class of Non-separable Cross-Covariance Functions for Multivariate Space-Time Data Denis Allard L’Institut national de la recherche agronomique Multivariate space-time data are increasingly available in various scientific disciplines. When analyzing these data, one of the key issues is to describe the multivariate space-time dependences. Under the Gaussian framework, one n...

Modeling pavement performance by combining field and experimental data The accurate prediction of pavement performance is important for efficient management of the surface transportation infrastructure. By reducing the error of the pavement deterioration prediction, agencies can obtain significant budget savings through timely intervention and accurate planning. The goal of this research was to...

This article reports the effect of vapour chopping technique on the properties of vacuum evaporated poly (3methyl thiophene) thin films such as surface morphology, optical transmittance, band gap, refractive index and optical transmission loss. Vapour chopping gives smooth surface morphology with smaller grain size reduced roughness than non chopped thin films, while the transmittance of the th...

Electro-optical printed circuit board technology (EOCB) based on integrated planar polymer optical waveguides has been the subject of research and development for many years to provide a cost viable, fully integrated system embedded optical interconnect solution, however a number of constraints of this technology have yet to be overcome. Optical coupling loss at the input and output of the wave...

We experimentally demonstrate, for the first time, propagation loss reduction via graded-index (GRIN) cladding layers in high-index-contrast (HIC) glass waveguides. We show that scattering loss arising from sidewall roughness can be significantly reduced without compromising the high-index-contrast condition, by inserting thin GRIN cladding layers with refractive indices intermediate between th...

Pavement roughness serves as a crucial indicator for evaluating road performance. However, traditional measurement methods, such laser detection vehicles, are limited to providing values single profile, failing capture the overall pavement condition comprehensively. To address this limitation, study utilized high-precision light and ranging technology (LiDAR) acquire three-dimensional point clo...

Recently, the worldwide globalization and erotic development in the technological field has created immense market competition. Industries are now concerned on focusing towards refined product quality and increased productivity. In a mass production line, selection of appropriate parameter setting is indeed essential to avoid compromise in terms of quality as well as productivity. Product quali...

This two-part manuscript presents a comprehensive methodology for the irregularity assessment of urban stone pavements. The proper road surface using key performance indicators is necessary to plan appropriate maintenance strategies. However, there are no monitoring methods or evaluation criteria pavements whose surfaces more uneven than traditional ones due their structural characteristics. Th...