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Qingsong Duan
Wind loads have become one of the key influencing factors for the running safety of vehicles and comfort of passengers. The investigation of the wind speed spectrum characteristics of a moving vehicle under turbulent crosswinds is of great importance. Ex...
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Andrés F. Calvo-Salcedo, Neil Guerrero González and Jose A. Jaramillo-Villegas
The rising demand for bandwidth in optical communication networks has led to the need for more efficient solutions for spectrum allocation. This article presents a solution to enhance the capacity and efficiency of passive optical networks (PON) using op...
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Guang Yang, Kainan Guan, Li Zou, Yibo Sun and Xinhua Yang
The cold metal transfer (CMT) process is widely used in thin plate welding because of its characteristics of low heat input and stable arc. In actual production, a larger weld gap, misalignment, or other problems due to assembly error lead to serious wel...
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Xiong Wang, Wei Liu, Jifeng Ding, Yi Sun and Yongbing Dang
The initiating explosive shock environment of an aerospace mission has the characteristics of instantaneity, high amplitude and a wide frequency domain. An improved method based on the acceleration frequency response function (FRF) and virtual mode synth...
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Dmitry Lazurenko, Igor Shepelev, Dmitry Shaposhnikov, Anton Saevskiy and Valery Kiroy
A linear discriminant analysis transformation-based approach to the classification of three different motor imagery types for brain?computer interfaces was considered. The study involved 16 conditionally healthy subjects (12 men, 4 women, mean age of 21....
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Amin Salih Mohammed,Ihor Romanenko,Saravana Balaji B,Yevhen Kalashnikov,Nina Kuchuk
Pág. pp. 224 - 245
Due to an increase in the number of radio devices with different types of signals and to increase the speed of information transmission, it is necessary to take into account the increase in the probability of erroneous reception of signals as a result of...
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Yana Saprykina, Margarita Shtremel, Samiksha Volvaiker and Sergey Kuznetsov
The evolution of wind waves in coastal zones leads to changes in the shape of the wave spectrum. Along the coast of Kerala, due to the presence of mudbanks during the southwest monsoon, we could observe downshifting of the peak frequency in the wave spec...
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Yongqiang Duan, Chengdong Wang, Yong Chen and Peisen Liu
The fault frequencies are as they are and cannot be improved. One can only improve its estimation quality. This paper proposes a fault diagnosis method by combining local mean decomposition (LMD) and the ratio correction method to process the short-time ...
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Dongwang Zhong, Xiangchao Gong, Fang Han and Linna Li
Although the use of polyethylene (PE) pipelines has become increasingly widespread in recent years, few studies have addressed their seismic design and ability to withstand blast waves. In order to establish their seismic capacity, the dynamic response o...
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K. V. Honcharov
Pág. 7 - 17
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K. V. Honcharov
Pág. 180 - 185
In the paper the practicability of using the digital signal processing in track receivers of the tone track circuits is shown. On the basis of spectral analysis results of the signal current of the tone track circuits, as well as with taking the acting s...
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Qiang Xie, Jun Duan, Yuxin Ban, Xiang Fu and Shilin Liu
Rock failure and instability usually lead to significant engineering disasters. This paper aims to establish an experimental failure criterion to predict rock failure via testing the laser vibration characteristics of marble specimens. Uniaxial compressi...
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Mykhailo Mozhaiev, Oksana Melashchenko, Viktoria Roh, Maksym Usatenko
Pág. 57 - 65
The relevance of research. In modern forensic practice, computer networks (CN) are an integral part of computer-technical examination, therefore, ensuring their normal functioning becomes a vitally important task. In this regard, the theory of the constr...
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Rahat Ullah, Zubair Khalid, Fargham Sandhu, Imran Khan
Pág. 313 - 325
The growing demands for mobile broadband application services along with the scarcity of the spectrum have triggered the dense utilization of frequency resources in cellular networks. The capacity demands are coped accordingly, however at the detriment o...
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Rahat Ullah, Zubair Khalid, Fargham Sandhu, Imran Khan
Pág. 313 - 325
The growing demands for mobile broadband application services along with the scarcity of the spectrum have triggered the dense utilization of frequency resources in cellular networks. The capacity demands are coped accordingly, however at the detriment o...
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Patrik Flegner, Ján Kacur, Milan Durdán and Marek Laciak
In the presented research, methods of processing the vibrational signal of acceleration from horizontal drilling rig aggregates were applied. The significance of the given study is that signal processing methods have not yet been applied to such an exten...
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Deeraj Nagothu, Ronghua Xu, Yu Chen, Erik Blasch and Alexander Aved
With the fast development of Fifth-/Sixth-Generation (5G/6G) communications and the Internet of Video Things (IoVT), a broad range of mega-scale data applications emerge (e.g., all-weather all-time video). These network-based applications highly depend o...
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Ervin Lumnitzer, Miriam Andrejiova and Anna Yehorova
In acoustic practice, established methods of measuring the acoustic properties of partition structures are used. Recommended procedures and means can be found in technical standards, but practice suggests that measurement results may also depend on measu...
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Yu Ji, Wenxu Yan and Wenyuan Wang
With the increase in the use of high-frequency power electronic devices, the harmonics injected into the power grid show a trend of high-frequency development. The continuous rise of the supraharmonic emission level in the distribution network has become...
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Wenbo Pan, Cheng Cui and Meng He
A freak wave is a spike in a random wave series and hence the local characteristics in the time-domain are of key importance. When freak waves act on moored floating structures, the dynamic responses of the structures in the time and frequency domains ch...
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