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Quasi-hemispherical region scanning phased array system using triangular SIW antenna elements with short ends
2020
IEICE Electronics Express
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A phased array system with quasi-hemispherical region scanning performance is proposed. ...
The proposed system is implemented using triangular substrate integrated waveguide (SIW) elements with short ends, which have a quasi-hemispherical beam pattern. ...
In this paper, a quasi-hemispherical pattern is made by using a triangular SIW antenna with short ends using two direction magnetic currents. ...
doi:10.1587/elex.17.20200041
fatcat:msuy72e5pfhv5ll2ddzjbb7aji
Table of Contents
2021
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)
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ARRAY ANTENNAS I TU-A1.3A.1: ON THE GAIN LOSS OF WIDE-ANGLE SCANNING PHASED ARRAYS WITH .............. ...
ANTENNA USING A MEANDERED DRIVEN ELEMENT Amar Chaudhari, Kamla Prasan Ray, Defence Institute of Advanced Technology (DIAT), India WE-A1.3A: PHASED ARRAY ANTENNAS III WE-A1.3A.1: WIDE ANGLE ESA FED REFLECTOR ...
doi:10.1109/aps/ursi47566.2021.9704180
fatcat:zdzgaispkrg2dfcms55deuufca
Antenna Designs for Recent Millimeter and THz Applications
[article]
2022
arXiv
pre-print
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On the other hand and because of the restrictions on the communication systems in these ranges such as power, path losses, and attenuation, the present RF antennas can't be used for millimeter and THz ...
In addition to introducing efficient antennas for each application with acceptable technology for it. ...
Switchable Phased Array The phased array covers only 360 0 , so the switchable phased array is introduced to cover all angles using more than one antenna. ...
arXiv:2205.02816v1
fatcat:zdzmcdkv3vgqfkkpeqwy6utyla
Contents
2020
2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)
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As the general chairs, we would like to express our sincere appreciation to all the authors, speakers, and reviewers over the world together with the committee members for great efforts to substantiate ...
platform for scientists and engineers to exchange their ideas, and also a good venue for young scholars and research students to demonstrate their innovative works and results on electromagnetic field, antennas ...
Thanks for giving the permission to commence this study and to use departmental data. ...
doi:10.1109/iwem49354.2020.9237401
fatcat:soy4ile3tnaqdjgnvkm27dy4dq
A Survey and Study of Planar Antennas for Pico-Satellites
2015
IEEE Access
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INDEX TERMS Circular polarization, reconfigurable antennas, antenna arrays, beam steering, CubeSat, pico-satellites, planar antennas, microstrip patch antennas, sequential phase-rotation, photonic band-gap ...
To date, no works have examined the suitability of existing planar antenna designs for the use on pico-satellites. ...
., elements array in radar scanning [55] . ...
doi:10.1109/access.2015.2506577
fatcat:rlfvk4nzzjbyhe2rbx37u645y4
2020 Index IEEE Transactions on Instrumentation and Measurement Vol. 69
2020
IEEE Transactions on Instrumentation and Measurement
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Converter Using All-Digital Nested Delay-Locked Loops With 50-ps Resolution and High Throughput for LiDAR TIM Nov. 2020 9262-9271 Helsen, J., see Huchel, L., TIM July 2020 4145-4153 Hemavathi, N., ...
Liu, J., +, TIM Dec. 2020 9618-9633 Segmentation of Breast-Region in Breast Thermogram Using Arc-Approximation and Triangular-Space Search. ...
., +, TIM June 2020
3388-3394
Segmentation of Breast-Region in Breast Thermogram Using Arc-Approx-
imation and Triangular-Space Search. ...
doi:10.1109/tim.2020.3042348
fatcat:a5f4fsqs45fbbetre6zwsg3dly
Millimeter-Wave Wide Band Antenna Array for 5G Mobile Applications
2019
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It is composed of five millimetre-wave circular patch radiation elements with phasing stubs. ...
In addition, with frequency sweeping, the proposed antenna array radiation pattern is directive and offers beam steering at the desired angles, acting similarly as a leaky-wave antenna. ...
Two subarrays placed at both ends of the substrate have been used to realize a 3D-coverage beam scan with a less linear array. ...
doi:10.20381/ruor-23690
fatcat:4fyoiigcfvewfilqhnii2zsaxa
Millimetre wave lens and transmitarray antennas for scan loss mitigation
2020
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Feed networks for an 8-element phased array, operating at 28 GHz, were designed using unequal power dividers. ...
By combining reconfigurable lenses with phased arrays, the focusing directivity is able to mitigate scan loss. ...
As the array scans towards end-fire, the dome bends the rays further from their incidence angle, producing full-hemisphere coverage. ...
doi:10.15126/thesis.00853272
fatcat:lvsnkrhltvha7c3zkcoubx24ou
Remote Sensing and Image Interpretation
1980
Geographical Journal
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With dle use of short wavelengths, radar reflection from water droplets is substantial enough to be used in PPI systems to distinguish regions of precipitation. ...
This may be perfomled mechanirally, eledronically, or by using n niultiple antenna array. Thus, with the use of il synchronized film recorder. a passive microwave image can be obtained. ...
$ F However, sincv short antennae have stability problems, r a b system design is replete with tradeoffs between operating range, resoiution, wavelength, shadow arras in thfi: right imagr.. ...
doi:10.2307/634969
fatcat:ma6fplrparhoxkjzgxstrxygmq
Design of novel radiating elements for SATCOM phased arrays in Ku-Band
2016
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(d) Beam scanning as a parameter of antenna position.(e) Photo of the prototype.
Figure 2 . 2 11: A purely mechanical system for beam-steering. SIW design in Ka-Band, around 24GHz. ...
The input horn excites a quasi-Transverse Electromagnetic (quasi-TEM) mode in the bottom substrate, with a cylindrical phase wavefront. ...
doi:10.5075/epfl-thesis-6921
fatcat:py63vxokjzg2zjas5lr5v2p2ye
EUCOP4 Book of Abstracts
[article]
2014
Zenodo
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A very positive response to the Call for Papers for EUCOP4 was obtained, with more than four hundred and fifty submissions. ...
We are indebted to all members who accepted to support us. Special thanks are due to Toni Lewkowicz, Hanne H. Christiansen [...] ...
Based on the heat transfer equation the model calculates the evolution of soil temperatures in the Lena River Delta with a spatial resolution of about 1sqkm. ...
doi:10.5281/zenodo.5532540
fatcat:ucwuntienvh7bogt77s52im7mq