Zobrazeno 1 - 10
of 39 253
pro vyhledávání: '"Far-field"'
Publikováno v:
Hangkong gongcheng jinzhan, Vol 15, Iss 5, Pp 148-154 (2024)
The aerodynamic noise test of counter-rotating propellers in wind tunnels has the problems of difficult time coordination and high cost. The aerodynamic noise test system of counter-rotating propellers，which is capable of simulating the driving sta
Externí odkaz:
https://doaj.org/article/22269dd690c14de8a8e3775dfb0e2682
Autor:
Jijian MENG
Publikováno v:
Meikuang Anquan, Vol 55, Iss 10, Pp 221-227 (2024)
Aiming at the promotion and application of 5G communication technology in coal mines, this paper analyzes the explosion prevention risk of radio frequency (RF) electromagnetic energy under the condition of far field radiation. In this paper, the equi
Externí odkaz:
https://doaj.org/article/0151213c7bd8491c95514b4aca790b70
Autor:
In-June Hwang, Jong-Gyun Baek, Jaesik Kim, Jeong-Il Park, Dae-Chan Kim, Heeduck Chae, No-Weon Kang, Chihyun Cho
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 24, Iss 5, Pp 494-503 (2024)
In this study, a millimeter-wave far-field range antenna measurement system is proposed for W-band monopulse antenna measurements. Since the W-band monopulse antenna installed in radar systems has many input/output ports, multiple calculations are re
Externí odkaz:
https://doaj.org/article/fda57196c3f1443487025e794d7b7db4
Autor:
Madhavi Latha Annamdasu, N. Lingeshwaran, Surya Prakash Challagulla, Omar Shabbir Ahmed, Musa Adamu
Publikováno v:
International Journal of Technology, Vol 15, Iss 5, Pp 1331-1348 (2024)
Analyzing secondary structures (SSs) during earthquakes is vital due to their vulnerability and potential impact on building functionality and occupant safety. Understanding the seismic performance of SSs requires analyzing the Floor Response Spec
Externí odkaz:
https://doaj.org/article/bf7cc6e249a5489bb263c555ae4c20a9
Autor:
Jinhao Fei, Xiaobei Zhang, Qi Zhang, Yong Yang, Zijie Wang, Chuanlu Deng, Yi Huang, Tingyun Wang
Publikováno v:
Frontiers of Optoelectronics, Vol 17, Iss 1, Pp 1-9 (2024)
Abstract In this paper, we propose a deformed Reuleaux-triangle resonator (RTR) to form exceptional point (EP) which results in the detection sensitivity enhancement of nanoparticle. After introducing single nanoparticle to the deformed RTR at EP, fr
Externí odkaz:
https://doaj.org/article/d2915de4c2444147991ad949040df6d7
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 7, Pp 2441-2465 (2024)
Accurate prediction of rockburst proneness is one of challenges for assessing the rockburst risk and selecting effective control measures. This study aims to assess rockburst proneness by considering the energy characteristics and qualitative informa
Externí odkaz:
https://doaj.org/article/ce586c76de6c4d63b4bc851ebd42bde9
Autor:
Julie M. Bloxson, Adrian I. Valdez
Publikováno v:
Results in Earth Sciences, Vol 2, Iss , Pp 100035- (2024)
Far–field tectonics can often be overlooked when studying orogens, particularly when much of the deformation occurs near the loading loci. As stresses are propagated further from the loading into the craton, whether compressional, extensional, or s
Externí odkaz:
https://doaj.org/article/0a7b7f939b6c4501aa89dcb13b373151
Autor:
Mhawish Ayah Hameed, Risan Hussam K.
Publikováno v:
Civil and Environmental Engineering, Vol 20, Iss 1, Pp 14-26 (2024)
The dynamic behavior of retaining walls is a complicated subject and a considerable design challenge, particularly under seismic conditions. Seismologists and investigators have an interest in near-fault earthquakes with significant velocity pulses b
Externí odkaz:
https://doaj.org/article/aebe787b4fac4a6db40ffe28f2bab13c