|
|
|
|
|
Natalia Koteleva and Ilia Frenkel
This article describes an approach of mathematical processing of signals (seismograms) from five blasthole charges from experimental blasting, each 3 m deep, with equal explosive weight (1 kg), and equidistant (3 m) from one other. The seismic explosive ...
ver más
|
|
|
|
|
|
|
|
|
Rania Alhalaseh and Suzan Alasasfeh
Many scientific studies have been concerned with building an automatic system to recognize emotions, and building such systems usually relies on brain signals. These studies have shown that brain signals can be used to classify many emotional states. Thi...
ver más
|
|
|
|
|
|
|
|
|
Xing Wang, Yang Wu, Jie Cui, Chang-Qi Zhu and Xin-Zhi Wang
The particle shape of coral sand is a crucial factor that affects its accumulation characteristics. Two-dimensional particle images of coral sand with different particle sizes were obtained through optical imaging, and the basic size parameters of partic...
ver más
|
|
|
|
|
|
|
|
|
Mykola Fedula,Tetiana Hovorushchenko,Andrii Nicheporuk,Valeriy Martynyuk
Pág. 44 - 51
The results of detection of periodic signals using the chaos theory based on discrete processing of the Duffing attractor in the Poincare section were considered.A chaotic Duffing system characterized by high sensitivity to periodic signals and a possibi...
ver más
|
|
|
|
|
|
|
|
|
Songqiang Xiao, Zhaolong Ge, Yiyu Lu, Zhe Zhou, Qian Li and Lei Wang
Water jet drilling (WJD) technology is a highly efficient method to extract coalbed methane from reservoirs with low permeability. It is crucial to efficiently remove the coal fragments while drilling. In this study, to disclose coal fragmentation featur...
ver más
|
|
|
|