Optimal Design of Time-Domain Broadband Beamformers

2019 ◽  
pp. 131-164
Author(s):  
Shefeng Yan
Keyword(s):  
Optimal Design ◽  
Time Domain

scholarly journals Topology optimal design for optical waveguides using time domain beam propagation method

2018 ◽  
Vol 15 (11) ◽  
pp. 20180417-20180417 ◽  
Author(s):  
Akito Iguchi ◽  
Yasuhide Tsuji ◽  
Takashi Yasui ◽  
Koichi Hirayama
Keyword(s):  
Optimal Design ◽  
Time Domain ◽  
Optical Waveguides ◽  
Beam Propagation Method ◽  
Beam Propagation

scholarly journals Design and Analysis of a Novel Compact Wideband Antenna with Two Excited Modes

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Li Li ◽  
Zhi-Li Zhou ◽  
Jing-Song Hong
Keyword(s):  
Optimal Design ◽  
Time Domain ◽  
Coplanar Waveguide ◽  
Impedance Bandwidth ◽  
Radiation Patterns ◽  
Wideband Antenna ◽  
Operating Band ◽  
Compact Size ◽  
Feeding Configuration

A novel planar compact wideband antenna with coplanar waveguide (CPW) feeding configuration is presented in this paper. The proposed antenna is fed and coupled by the CPW feeding line at the same time. Therefore, two distinct excited modes are realized. Besides, detail investigation is presented as well to demonstrate the properties of the proposed antenna. Eventually, the prototype of the proposed antenna with optimal design is fabricated and tested. The proposed antenna, with a fairly compact size of 24 mm × 18 mm × 1 mm, has a measured 10 dB impedance bandwidth spanning from 3.05 GHz to 6 GHz, about 65.2%. Moreover, stable radiation patterns over the operating band are obtained. Furthermore, time-domain characteristics of the proposed antenna are also investigated.

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