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Compact printed log-periodic dipole arrays fed by SIW horn
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
2018 (English)In: IET Conference Publications, Institution of Engineering and Technology, 2018, no CP741Conference paper, Published paper (Refereed)
Abstract [en]

Substrate integrated waveguide (SIW) horn is a good planar feeding structure for planar antennas and arrays. In this letter, a 18 printed log-periodic dipole array (LPDA) antenna fed by a compact SIW horn is presented. Some linear arrays of metal vias are embedded inside the SIW horn to correct the phase and amplitude distributions on the horn aperture. The measured gain of the proposed antenna is 9.61 dBi, the half power beam-width is 18.1, the FTBR is 17.55 dB, the cross polarization in the axis direction is 21.48 dB, and the side-lobe lever is -14.93 dB at 10 GHz. Good agreement between the simulated and the measured results is obtained.

Place, publisher, year, edition, pages
Institution of Engineering and Technology, 2018. no CP741
Keywords [en]
Log-periodic dipole array (LPDA), Planar horn, Substrate integrated waveguide (SIW)
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-246538Scopus ID: 2-s2.0-85057303680OAI: oai:DiVA.org:kth-246538DiVA, id: diva2:1299242
Conference
12th European Conference on Antennas and Propagation, EuCAP 2018; London; United Kingdom; 9 April 2018 through 13 April 2018;
Note

QC 20190326

Available from: 2019-03-26 Created: 2019-03-26 Last updated: 2019-03-26Bibliographically approved

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Chen, Qiao

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