Zhurnal Radioelektroniki - Journal of Radio Electronics. ISSN 1689-1719. 2020. No. 4
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Full text in Russian (pdf)
Russian page

 

DOI 10.30898/1684-1719.2020.4.1
UDC
621.396.67

 

INVESTIGATION OF WAVEGUIDE-SLOT ANTENNA WITH 180 DEGREES FREQUENCY SCANNING SECTOR

 

V. A. Kaloshin 1, D. T. Le 2

1 Kotelnikov Institute of Radioengineering and Electronics of Russian Academy of Sciences, Mokhovaya 11-7, Moscow 125009, Russia

2 Moscow Institute of Physics and Technology (National Research University), 9 Institutskiy per., Dolgoprudny, Moscow Region, 141701, Russia

 

The paper is received on March 19, 2020

 

Abstract. A linear waveguide slot antenna with a 180-degree frequency scanning sector is proposed and studied. The antenna is made in the form of a rectangular metal waveguide filled with a dielectric with periodic changes in permittivity and triple transverse slots periodically located along the waveguide in a wide wall. The scanning sector of 180 degrees is achieved by the use of two radiation modes: the main (zero) harmonic and -1 harmonic of the spatial spectrum. The frequency dependences of the reflection and transmission coefficients, as well as the gain and aperture efficiency coefficients are compared with the similar characteristics of the antenna based on the equivalent two-layer waveguide with changes in the thickness of one of the layers.

Key words: waveguide-slot antenna, frequency scanning.

References

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For citation:

Kaloshin V.A., Le D.T. Investigation of waveguide-slot antenna with 180 degrees frequency scanning sector. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2020. No. 4. Available at http://jre.cplire.ru/jre/apr20/1/text.pdf.  DOI 10.30898/1684-1719.2020.4.1