A study of design method of circular patch array absorber for oblique incidence

Author(s):  
D. Kitahara ◽  
H. Yoshiizumi ◽  
R. Suga ◽  
O. Hashimoto ◽  
K. Araki
2019 ◽  
Vol 61 (1) ◽  
pp. 65-72 ◽  
Author(s):  
Daisuke Kitahara ◽  
Ryosuke Suga ◽  
Kiyomichi Araki ◽  
Osamu Hashimoto

2020 ◽  
Vol 8 (6) ◽  
pp. 3008-3012

In this paper, a novel method to achieve tri-band performance for both reduced and conventional size circular microstrip patch antenna (CPA) loaded with low loss metamaterial unit cell is presented. The proposed tri-band CPA is based on metamaterial structure called complementary skewed omega type resonator (CSOR). The conventional CPA operating with 5.1GHz loaded with a pair of symmetric CSORs on the ground plane excites three working frequencies. Beside miniaturization, this work mainly focuses on multiband operation with performance enhancement of the circular patch antenna Numerical simulation of the proposed antenna appears that the operating frequencies of each band can tune separately. Good matching and stable radiation pattern with a satisfactory gain is achieved in the working frequency band. A good concord between simulation and measurement results validate the design method.


2005 ◽  
Author(s):  
Michael Szczepkowski ◽  
Kelly Neville ◽  
Ed Popp
Keyword(s):  

2018 ◽  
Vol 1 (2) ◽  
pp. 1-17
Author(s):  
Tedi Budiman

One example of the growing information technology today is mobile learning, mobile learning which refers to mobile technology as a learning medium. Mobile learning is learning that is unique for each student to access learning materials anywhere, anytime. Mobile learning is suitable as a model of learning for the students to make it easier to get an understanding of a given subject, such as math is pretty complicated and always using formulas.The design method that I use is the case study method, namely, learning, searching and collecting data related to the study. While the development of engineering design software application programs that will be used by the author is the method of Rapid Application Development (RAD), which consists of 4 stages: Requirements Planning Phase, User Design Phase, Construction Phase and Phase Cotuver.


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