Using 2W-PE method based on machine learning to accurately predict field strength distribution in flat-top obstacle environment

Author(s):  
Li Anqi ◽  
Yin Chengyou ◽  
Zhang Qianqian
1935 ◽  
Vol 13a (3) ◽  
pp. 60-71
Author(s):  
K. A. MacKinnon

The approximate current distribution with height in vertical tower antennae of non-uniform cross section is calculated by assuming that the cross section is that of a cylinder whose diameter changes discontinuously. The field strength distribution in the vertical plane is then calculated for this current distribution and compared with field measurements of Ballantine. This is repeated using the experimentally determined current distribution of Gihring and Brown which results in a much closer check with Ballantine's measurements.The results were then used to calculate the field strength distribution in the vertical plane of an array comprising a 0.597λ vertical double-tapered tower as radiator, and a 0.250λ vertical tower of the self-supporting type as a fed reflector.


2013 ◽  
Vol 554 ◽  
pp. A65 ◽  
Author(s):  
D. Utz ◽  
J. Jurčák ◽  
A. Hanslmeier ◽  
R. Muller ◽  
A. Veronig ◽  
...  

2009 ◽  
Vol 60-61 ◽  
pp. 44-48
Author(s):  
Qiao Le Zhao ◽  
Yu Cheng Lin ◽  
Qin Gan Huang

Differing with the traditional way to perform electroporation (EP) by using the DC electrical pulse, this paper proposes a new EP system by applying continuous DC voltages to generate proper EP electric field strengths utilizing the shape change of the channel. The fabrication of chip and set-up of system are clearly described and simulations also carried out utilizing CFD-ACE to study the electric field strength distribution and the time span when fluid passes through different electric field strengths. The fabrication of the proposed EP system is quite simple and low-cost.


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